SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

AmpliTech Group, Inc. – ‘10-Q’ for 6/30/22 – ‘EX-101.LAB’

On:  Monday, 8/15/22, at 9:00am ET   ·   For:  6/30/22   ·   Accession #:  1477932-22-6008   ·   File #:  1-40069

Previous ‘10-Q’:  ‘10-Q’ on 5/16/22 for 3/31/22   ·   Next:  ‘10-Q’ on 11/14/22 for 9/30/22   ·   Latest:  ‘10-Q’ on 11/14/23 for 9/30/23

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 8/15/22  AmpliTech Group, Inc.             10-Q        6/30/22   82:5.5M                                   Discount Edgar/FA

Quarterly Report   —   Form 10-Q

Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML   1.02M 
 2: EX-31.1     Rule 13A-14(A)/ 15D-14(A) Certification of          HTML     26K 
                Principal Executive Officer                                      
 3: EX-31.2     Rule 13A-14(A)/ 15D-14(A) Certification of          HTML     25K 
                Principal Financial Officer                                      
 4: EX-32.1     Section 1350 Certification of Principal Executive   HTML     21K 
                Officer                                                          
 5: EX-32.2     Section 1350 Certification of Principal Financial   HTML     21K 
                Officer                                                          
11: R1          Cover                                               HTML     73K 
12: R2          Condensed Consolidated Balance Sheets               HTML    125K 
13: R3          Condensed Consolidated Balance Sheets               HTML     40K 
                (Parenthetical)                                                  
14: R4          Condensed Consolidated Statements of Operations     HTML    105K 
                (Unaudited)                                                      
15: R5          Condensed Consolidated Statements of Cash Flows     HTML    121K 
                (Unaudited)                                                      
16: R6          Condensed Consolidated Statements of Stockholders'  HTML     76K 
                Equity (Unaudited)                                               
17: R7          Organization and Business Description               HTML     32K 
18: R8          Summary of Significant Accounting Policies          HTML     84K 
19: R9          Revenues                                            HTML     38K 
20: R10         Segment Reporting                                   HTML     54K 
21: R11         Acquisition of Spectrum Semiconductors Materials    HTML     48K 
22: R12         Marketable Securities                               HTML     31K 
23: R13         Inventories                                         HTML     33K 
24: R14         Property and Equipment                              HTML     36K 
25: R15         Intangible Assets                                   HTML     40K 
26: R16         Cost Method Investment                              HTML     24K 
27: R17         Line of Credit                                      HTML     24K 
28: R18         Leases                                              HTML     57K 
29: R19         Notes Payable                                       HTML     36K 
30: R20         Stockholders Equity                                 HTML     67K 
31: R21         Commitments and Contingencies                       HTML     25K 
32: R22         Subsequent Events                                   HTML     24K 
33: R23         Summary of Significant Accounting Policies          HTML    128K 
                (Policies)                                                       
34: R24         Summary of Significant Accounting Policies          HTML     54K 
                (Tables)                                                         
35: R25         Revenues (Tables)                                   HTML     37K 
36: R26         Segment Reporting (Tables)                          HTML     50K 
37: R27         Acquisition of Spectrum Semiconductors Materials    HTML     43K 
                (Tables)                                                         
38: R28         Marketable Securities (Tables)                      HTML     29K 
39: R29         Inventories (Tables)                                HTML     33K 
40: R30         Property and Equipment (Tables)                     HTML     34K 
41: R31         Intangible assets (Tables)                          HTML     39K 
42: R32         Leases (Tables)                                     HTML     59K 
43: R33         Notes payable (Tables)                              HTML     26K 
44: R34         Stockholders Equity (Tables)                        HTML     55K 
45: R35         Organization and Business Description (Details      HTML     35K 
                Narrative)                                                       
46: R36         Summary of Significant Accounting Policies          HTML     30K 
                (Details)                                                        
47: R37         Summary of Significant Accounting Policies          HTML     40K 
                (Details 1)                                                      
48: R38         Summary of Significant Accounting Policies          HTML     45K 
                (Details Narrative)                                              
49: R39         Revenues (Details)                                  HTML     39K 
50: R40         Revenues (Details Narrative)                        HTML     30K 
51: R41         Segment Reporting (Details)                         HTML     74K 
52: R42         Acquisition of Spectrum Semiconductors Materials    HTML     55K 
                (Details)                                                        
53: R43         Acquisition of Spectrum Semiconductors Materials    HTML     41K 
                (Details 1)                                                      
54: R44         Acquisition of Spectrum Semiconductors Materials    HTML     45K 
                (Details Narrative)                                              
55: R45         Marketable Securities (Details)                     HTML     32K 
56: R46         Marketable Securities (Details Narrative)           HTML     23K 
57: R47         Inventories (Details)                               HTML     34K 
58: R48         Property and Equipment (Details)                    HTML     41K 
59: R49         Property and Equipment (Details Narrative)          HTML     24K 
60: R50         Intangible Assets (Details)                         HTML     38K 
61: R51         Intangible Assets (Details 1)                       HTML     36K 
62: R52         Intangible Assets (Details Narrative)               HTML     28K 
63: R53         Cost Method Investment (Details Narrative)          HTML     30K 
64: R54         Line of Credit (Details Narrative)                  HTML     32K 
65: R55         Lease (Details)                                     HTML     42K 
66: R56         Lease (Details 1)                                   HTML     30K 
67: R57         Lease (Details 2)                                   HTML     44K 
68: R58         Lease (Details 3)                                   HTML     45K 
69: R59         Lease (Details Narrative)                           HTML     36K 
70: R60         Notes Payable (Details)                             HTML     35K 
71: R61         Notes Payable (Details Narrative)                   HTML     71K 
72: R62         Stockholders Equity (Details)                       HTML     46K 
73: R63         Stockholders Equity (Details 1)                     HTML     51K 
74: R64         Stockholders Equity (Details 3)                     HTML     51K 
75: R65         Stockholders Equity (Details Narrative)             HTML    118K 
76: R66         Commitments and Contingencies (Details Narrative)   HTML     25K 
77: R67         Subsequent Events (Details Narrative)               HTML     22K 
80: XML         IDEA XML File -- Filing Summary                      XML    148K 
78: XML         XBRL Instance -- ampg_10q_htm                        XML   1.25M 
79: EXCEL       IDEA Workbook of Financial Reports                  XLSX    136K 
 8: EX-101.CAL  XBRL Calculations -- ampg-20220630_cal               XML    152K 
10: EX-101.DEF  XBRL Definitions -- ampg-20220630_def                XML    461K 
 7: EX-101.LAB  XBRL Labels -- ampg-20220630_lab                     XML    937K 
 9: EX-101.PRE  XBRL Presentations -- ampg-20220630_pre              XML    785K 
 6: EX-101.SCH  XBRL Schema -- ampg-20220630                         XSD    195K 
81: JSON        XBRL Instance as JSON Data -- MetaLinks              353±   482K 
82: ZIP         XBRL Zipped Folder -- 0001477932-22-006008-xbrl      Zip    197K

‘EX-101.LAB’   —   XBRL Labels — ampg-20220630_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" standalone="yes" encoding="windows-1252"?>
<!-- XBRL Document Created with XBRLMaster -->
<!-- Version: 2.3.08 -->
<!-- Based on XBRL 2.1 -->
<!-- Date of creation: 08/13/2022 -->
<!-- Software architectural design and coding: A'c Dharmapremananda Avt. -->
<!-- Copyright (c) 2022 I-NET Business Solutions, Inc. All Rights Reserved. -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>
<link:roleRef xlink:type="simple" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/>
<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/>
<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>
<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CoverAbstract_lbl" xml:lang="en-US"> Cover [Abstract] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US"> Entity Registrant Name </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US"> Entity Central Index Key </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US"> Document Type </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US"> Amendment Flag </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US"> Current Fiscal Year End Date </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntitySmallBusiness_lbl" xml:lang="en-US"> Entity Small Business </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityShellCompany_lbl" xml:lang="en-US"> Entity Shell Company </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US"> Entity Emerging Growth Company </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US"> Entity Current Reporting Status </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US"> Document Period End Date </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US"> Entity Filer Category </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US"> Document Fiscal Period Focus </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US"> Document Fiscal Year Focus </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US"> Entity Common Stock Shares Outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentQuarterlyReport" xlink:label="dei_DocumentQuarterlyReport"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentQuarterlyReport" xlink:to="dei_DocumentQuarterlyReport_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentQuarterlyReport_lbl" xml:lang="en-US"> Document Quarterly Report </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentTransitionReport_lbl" xml:lang="en-US"> Document Transition Report </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFileNumber_lbl" xml:lang="en-US"> Entity File Number </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xml:lang="en-US"> Entity Incorporation State Country Code </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xml:lang="en-US"> Entity Tax Identification Number </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xml:lang="en-US"> Entity Interactive Data Current </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine1_lbl" xml:lang="en-US"> Entity Address Address Line 1 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressCityOrTown_lbl" xml:lang="en-US"> Entity Address City Or Town </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressStateOrProvince_lbl" xml:lang="en-US"> Entity Address State Or Province </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressPostalZipCode_lbl" xml:lang="en-US"> Entity Address Postal Zip Code </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CityAreaCode_lbl" xml:lang="en-US"> City Area Code </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LocalPhoneNumber_lbl" xml:lang="en-US"> Local Phone Number </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Security12bTitle_lbl" xml:lang="en-US"> Security 12b Title </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US"> Trading Symbol </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SecurityExchangeName_lbl" xml:lang="en-US"> Security Exchange Name </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl_e9ecc8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl_e9ecc8" xml:lang="en-US"> Condensed Consolidated Balance Sheets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl_a85a4b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl_a85a4b" xml:lang="en-US"> Assets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl_7141e4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl_7141e4" xml:lang="en-US"> Current Assets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_152557" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_152557" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNetCurrent" xlink:to="us-gaap_AccountsReceivableNetCurrent_lbl_63c9c6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl_63c9c6" xml:lang="en-US"> Accounts receivable, net </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="us-gaap_OtherReceivablesNetCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherReceivablesNetCurrent" xlink:to="us-gaap_OtherReceivablesNetCurrent_lbl_da549e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl_da549e" xml:lang="en-US"> Other Receivable </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryNet_lbl_4fd809" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryNet_lbl_4fd809" xml:lang="en-US"> Inventories, net </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="us-gaap_PrepaidExpenseCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseCurrent" xlink:to="us-gaap_PrepaidExpenseCurrent_lbl_b945bb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseCurrent_lbl_b945bb" xml:lang="en-US"> Prepaid expenses </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl_89ffdc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl_89ffdc" xml:lang="en-US"> Total Current Assets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl_9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl_9" xml:lang="en-US"> [Assets, Current] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl_b94dde" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl_b94dde" xml:lang="en-US"> Property and equipment, net </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_lbl_6ff3f3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl_6ff3f3" xml:lang="en-US"> Right of use operating lease assets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl_428fd8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl_428fd8" xml:lang="en-US"> Intangible assets, net </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_lbl_ba0182" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Goodwill_lbl_ba0182" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentOwnedAtCost" xlink:label="us-gaap_InvestmentOwnedAtCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedAtCost" xlink:to="us-gaap_InvestmentOwnedAtCost_lbl_a85a90" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl_a85a90" xml:lang="en-US"> Investment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SecurityDeposit" xlink:label="us-gaap_SecurityDeposit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecurityDeposit" xlink:to="us-gaap_SecurityDeposit_lbl_8fa7f6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SecurityDeposit_lbl_8fa7f6" xml:lang="en-US"> Security deposits </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl_1e79ae" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl_1e79ae" xml:lang="en-US"> Total Assets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl_16" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl_16" xml:lang="en-US"> [Assets] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl_0e0286" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl_0e0286" xml:lang="en-US"> Liabilities and Stockholders' Equity </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl_8d198b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl_8d198b" xml:lang="en-US"> Current Liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl_5fad97" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl_5fad97" xml:lang="en-US"> Accounts payable and accrued expenses </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerDepositsCurrent" xlink:label="us-gaap_CustomerDepositsCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerDepositsCurrent" xlink:to="us-gaap_CustomerDepositsCurrent_lbl_b2c6e7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerDepositsCurrent_lbl_b2c6e7" xml:lang="en-US"> Customer deposits </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityCurrent" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrent" xlink:to="us-gaap_FinanceLeaseLiabilityCurrent_lbl_9e559c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl_9e559c" xml:lang="en-US"> Current portion of financing obligations </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent_lbl_a2fd9f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl_a2fd9f" xml:lang="en-US"> Current portion of operating obligations </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableCurrent" xlink:label="us-gaap_NotesPayableCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableCurrent" xlink:to="us-gaap_NotesPayableCurrent_lbl_a1402f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesPayableCurrent_lbl_a1402f" xml:lang="en-US"> Current portion of notes payable </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl_5c905b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl_5c905b" xml:lang="en-US"> Total Current Liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl_24" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl_24" xml:lang="en-US"> [Liabilities, Current] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesNoncurrentAbstract_lbl_7765ab" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl_7765ab" xml:lang="en-US"> Long Term Liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl_e8a8e2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl_e8a8e2" xml:lang="en-US"> Finance lease, net of current obligations </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl_77b707" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl_77b707" xml:lang="en-US"> Operating lease, net of current obligations </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermNotesPayable" xlink:label="us-gaap_LongTermNotesPayable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermNotesPayable" xlink:to="us-gaap_LongTermNotesPayable_lbl_641594" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermNotesPayable_lbl_641594" xml:lang="en-US"> Notes payable, net of current portion </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenue" xlink:to="us-gaap_DeferredRevenue_lbl_ceb333" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredRevenue_lbl_ceb333" xml:lang="en-US"> Revenue earnout </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl_8e07ef" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl_8e07ef" xml:lang="en-US"> Total Liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl_30" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_lbl_30" xml:lang="en-US"> [Liabilities] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl_19a365" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommitmentsAndContingencies_lbl_19a365" xml:lang="en-US"> Commitments and Contingencies </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl_31" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies_lbl_31" xml:lang="en-US"> [Commitments and Contingencies] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl_93a3f9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl_93a3f9" xml:lang="en-US"> Stockholders' Equity </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DividendsPreferredStockAbstract" xlink:label="us-gaap_DividendsPreferredStockAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPreferredStockAbstract" xlink:to="us-gaap_DividendsPreferredStockAbstract_lbl_2e144b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPreferredStockAbstract_lbl_2e144b" xml:lang="en-US"> Series A convertible preferred stock, par value $0.001, 1,000,000 shares authorized, 0 shares issued and outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl_a47059" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl_a47059" xml:lang="en-US"> Common Stock, par value $0.001, 500,000,000 shares authorized, 9,629,613 and 9,582,113 shares issued and outstanding, respectively </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl_9dfe64" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapital_lbl_9dfe64" xml:lang="en-US"> Additional paid-in capital </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl_c20cf7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl_c20cf7" xml:lang="en-US"> Accumulated deficit </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_cd0356" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl_cd0356" xml:lang="en-US"> Total Stockholders' Equity </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_37" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_lbl_37" xml:lang="en-US"> [Stockholders' Equity Attributable to Parent] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl_ae01d8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl_ae01d8" xml:lang="en-US"> Total Liabilities and Stockholders' Equity </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl_38" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl_38" xml:lang="en-US"> [Liabilities and Equity] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl_ac89d8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl_ac89d8" xml:lang="en-US"> Statement [Table] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl_b39435" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl_b39435" xml:lang="en-US"> Statement [Line Items] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl_24c513" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementClassOfStockAxis_lbl_24c513" xml:lang="en-US"> Class of Stock [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SeriesAConvertiblePreferredSharesMember" xlink:label="ampg_SeriesAConvertiblePreferredSharesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SeriesAConvertiblePreferredSharesMember" xlink:to="ampg_SeriesAConvertiblePreferredSharesMember_lbl_99cc86" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SeriesAConvertiblePreferredSharesMember_lbl_99cc86" xml:lang="en-US"> Series A Convertible Preferred Shares [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl_775a89" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl_775a89" xml:lang="en-US"> Common stock, shares par value </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl_2e6c6d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl_2e6c6d" xml:lang="en-US"> Common stock, shares authorized </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl_c18ac6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl_c18ac6" xml:lang="en-US"> Common stock, shares issued </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl_ae4d86" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl_ae4d86" xml:lang="en-US"> Common stock, shares outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesIssued" xlink:to="us-gaap_PreferredStockSharesIssued_lbl_d3980e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesIssued_lbl_d3980e" xml:lang="en-US"> Preferred stock, share issued </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl_7132fc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl_7132fc" xml:lang="en-US"> Preferred stock, share outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="us-gaap_PreferredStockSharesAuthorized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl_66cf20" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl_66cf20" xml:lang="en-US"> Preferred stock, shares authorized </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl_109ff5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl_109ff5" xml:lang="en-US"> Preferred stock, shares par value </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl_b9b156" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl_b9b156" xml:lang="en-US"> Condensed Consolidated Statements of Operations (Unaudited) </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl_c539b0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Revenues_lbl_c539b0" xml:lang="en-US"> Revenue </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfRevenue" xlink:label="us-gaap_CostOfRevenue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfRevenue" xlink:to="us-gaap_CostOfRevenue_lbl_54bb1b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfRevenue_lbl_54bb1b" xml:lang="en-US"> Cost of goods sold </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit_lbl_065834" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GrossProfit_lbl_065834" xml:lang="en-US"> Gross Profit </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit_lbl_4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GrossProfit_lbl_4" xml:lang="en-US"> [Gross Profit] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl_70fe2d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl_70fe2d" xml:lang="en-US"> Operating Expenses </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl_b91040" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl_b91040" xml:lang="en-US"> Selling, general and administrative </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl_324d7a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl_324d7a" xml:lang="en-US"> Research and development </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl_a16c59" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingExpenses_lbl_a16c59" xml:lang="en-US"> Total operating expenses </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl_8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenses_lbl_8" xml:lang="en-US"> [Operating Expenses] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl_691bef" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl_691bef" xml:lang="en-US"> Loss From Operations </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl_9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_lbl_9" xml:lang="en-US"> [Operating Income (Loss)] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl_954f6a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpenseAbstract_lbl_954f6a" xml:lang="en-US"> Other Income (Expenses) </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_GainsLossesOnExtinguishmentOfDebt1" xlink:label="ampg_GainsLossesOnExtinguishmentOfDebt1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_GainsLossesOnExtinguishmentOfDebt1" xlink:to="ampg_GainsLossesOnExtinguishmentOfDebt1_lbl_869b28" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_GainsLossesOnExtinguishmentOfDebt1_lbl_869b28" xml:lang="en-US"> Gain on extinguishment of debt </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UnrealizedGainLossOnInvestments" xlink:label="us-gaap_UnrealizedGainLossOnInvestments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnInvestments" xlink:to="us-gaap_UnrealizedGainLossOnInvestments_lbl_c8e935" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl_c8e935" xml:lang="en-US"> Unrealized gain on investments </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_InterestExpenseNet" xlink:to="ampg_InterestExpenseNet_lbl_e9c168" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ampg_InterestExpenseNet_lbl_e9c168" xml:lang="en-US"> Interest expense, net </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_InterestExpenseNet" xlink:label="ampg_InterestExpenseNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_InterestExpenseNet" xlink:to="ampg_InterestExpenseNet_lbl_13" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_InterestExpenseNet_lbl_13" xml:lang="en-US"> [Interest expense, net] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl_bda7bc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl_bda7bc" xml:lang="en-US"> Total other income (expense) </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl_14" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl_14" xml:lang="en-US"> [Other Nonoperating Income (Expense)] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl_3bcd1f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl_3bcd1f" xml:lang="en-US"> Loss Before Income Taxes </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl_15" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_lbl_15" xml:lang="en-US"> [Income (Loss) from Continuing Operations before Income Taxes, Domestic] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl_0d1231" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl_0d1231" xml:lang="en-US"> Provision For Income Taxes </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl_17d191" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl_17d191" xml:lang="en-US"> Net Loss </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl_17" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl_17" xml:lang="en-US"> [Net Income (Loss) Attributable to Parent] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="us-gaap_NetIncomeLossAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAbstract" xlink:to="us-gaap_NetIncomeLossAbstract_lbl_ce79fd" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAbstract_lbl_ce79fd" xml:lang="en-US"> Net Loss Per Share; </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl_14c594" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasic_lbl_14c594" xml:lang="en-US"> Basic </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl_70b76c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareDiluted_lbl_70b76c" xml:lang="en-US"> Diluted </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl_34c310" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl_34c310" xml:lang="en-US"> Weighted Average Shares Outstanding; </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WeightedAverageNumberOfSharesIssuedDiluted" xlink:label="ampg_WeightedAverageNumberOfSharesIssuedDiluted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WeightedAverageNumberOfSharesIssuedDiluted" xlink:to="ampg_WeightedAverageNumberOfSharesIssuedDiluted_lbl_6e69d3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WeightedAverageNumberOfSharesIssuedDiluted_lbl_6e69d3" xml:lang="en-US"> Basic1 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesIssuedBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl_f5b63d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesIssuedBasic_lbl_f5b63d" xml:lang="en-US"> Diluted1 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl_961499" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl_961499" xml:lang="en-US"> Condensed Consolidated Statements of Cash Flows (Unaudited) </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl_ae4110" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl_ae4110" xml:lang="en-US"> Net loss </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl_491ed4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl_491ed4" xml:lang="en-US"> Adjustments to reconcile net loss to net cash used in operating activities: </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl_4e77de" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationAndAmortization_lbl_4e77de" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherDepreciationAndAmortization" xlink:label="us-gaap_OtherDepreciationAndAmortization"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherDepreciationAndAmortization" xlink:to="us-gaap_OtherDepreciationAndAmortization_lbl_e443d1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherDepreciationAndAmortization_lbl_e443d1" xml:lang="en-US"> Amortization of prepaid consulting </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseExpense" xlink:label="us-gaap_OperatingLeaseExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseExpense" xlink:to="us-gaap_OperatingLeaseExpense_lbl_065370" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseExpense_lbl_065370" xml:lang="en-US"> Amortization of right-of-use operating lease asset </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl_766521" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl_766521" xml:lang="en-US"> Stock based compensation </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:to="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl_911ed2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfPropertyPlantEquipment_lbl_911ed2" xml:lang="en-US"> Loss on disposal of property and equipment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl_caa332" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl_caa332" xml:lang="en-US"> Gain on forgiveness of debt </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:to="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl_ef1ac0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl_ef1ac0" xml:lang="en-US"> Change in fair value of marketable securities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl_b5c8db" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl_b5c8db" xml:lang="en-US"> Changes in Operating Assets and Liabilities: </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl_3c0000" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl_3c0000" xml:lang="en-US"> Accounts receivable </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOtherReceivables" xlink:label="us-gaap_IncreaseDecreaseInOtherReceivables"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherReceivables" xlink:to="us-gaap_IncreaseDecreaseInOtherReceivables_lbl_de9021" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherReceivables_lbl_de9021" xml:lang="en-US"> Other receivable </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInInventories" xlink:to="us-gaap_IncreaseDecreaseInInventories_lbl_e2445f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl_e2445f" xml:lang="en-US"> Inventories </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInInventories" xlink:to="us-gaap_IncreaseDecreaseInInventories_lbl_14" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl_14" xml:lang="en-US"> [Increase (Decrease) in Inventories] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl_7529c3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl_7529c3" xml:lang="en-US"> Prepaid expenses </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl_15" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl_15" xml:lang="en-US"> [Increase (Decrease) in Prepaid Expense] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInSecurityDeposits" xlink:to="us-gaap_IncreaseDecreaseInSecurityDeposits_lbl_39daff" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInSecurityDeposits_lbl_39daff" xml:lang="en-US"> Security deposits </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInSecurityDeposits" xlink:label="us-gaap_IncreaseDecreaseInSecurityDeposits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInSecurityDeposits" xlink:to="us-gaap_IncreaseDecreaseInSecurityDeposits_lbl_16" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInSecurityDeposits_lbl_16" xml:lang="en-US"> [Increase (Decrease) in Security Deposits] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_6c3cab" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_6c3cab" xml:lang="en-US"> Accounts payable and accrued expenses </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_17" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl_17" xml:lang="en-US"> [Increase (Decrease) in Accounts Payable and Accrued Liabilities] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInOperatingLeaseLiability" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingLeaseLiability" xlink:to="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl_5a2ba6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingLeaseLiability_lbl_5a2ba6" xml:lang="en-US"> Operating lease liability </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:to="us-gaap_IncreaseDecreaseInCustomerDeposits_lbl_f40b4b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInCustomerDeposits_lbl_f40b4b" xml:lang="en-US"> Customer deposits </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:label="us-gaap_IncreaseDecreaseInCustomerDeposits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:to="us-gaap_IncreaseDecreaseInCustomerDeposits_lbl_19" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInCustomerDeposits_lbl_19" xml:lang="en-US"> [Increase (Decrease) in Customer Deposits] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_5afeff" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_5afeff" xml:lang="en-US"> Net cash used in operating activities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_20" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl_20" xml:lang="en-US"> [Net Cash Provided by (Used in) Operating Activities] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl_e1ce5e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl_e1ce5e" xml:lang="en-US"> Cash Flows from Investing Activities: </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_8374b5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_8374b5" xml:lang="en-US"> Purchase of equipment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_22" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl_22" xml:lang="en-US"> [Payments to Acquire Property, Plant, and Equipment] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesGainLoss" xlink:to="us-gaap_MarketableSecuritiesGainLoss_lbl_efc3ce" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_MarketableSecuritiesGainLoss_lbl_efc3ce" xml:lang="en-US"> Purchase of marketable securities, net </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MarketableSecuritiesGainLoss" xlink:label="us-gaap_MarketableSecuritiesGainLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesGainLoss" xlink:to="us-gaap_MarketableSecuritiesGainLoss_lbl_23" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesGainLoss_lbl_23" xml:lang="en-US"> [Marketable Securities, Gain (Loss)] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTaxCredit" xlink:to="us-gaap_InvestmentTaxCredit_lbl_256f04" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InvestmentTaxCredit_lbl_256f04" xml:lang="en-US"> Investment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentTaxCredit" xlink:label="us-gaap_InvestmentTaxCredit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTaxCredit" xlink:to="us-gaap_InvestmentTaxCredit_lbl_24" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentTaxCredit_lbl_24" xml:lang="en-US"> [Investment Tax Credit] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_e45828" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_e45828" xml:lang="en-US"> Net cash used in investing activities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_25" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl_25" xml:lang="en-US"> [Net Cash Provided by (Used in) Investing Activities] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl_ba6e40" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl_ba6e40" xml:lang="en-US"> Cash Flows from Financing Activities: </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ProceedsReceivedFromPrivatePlacementNetOfExpenses" xlink:label="ampg_ProceedsReceivedFromPrivatePlacementNetOfExpenses"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ProceedsReceivedFromPrivatePlacementNetOfExpenses" xlink:to="ampg_ProceedsReceivedFromPrivatePlacementNetOfExpenses_lbl_148b70" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ProceedsReceivedFromPrivatePlacementNetOfExpenses_lbl_148b70" xml:lang="en-US"> Proceeds received from private placement, net of expenses </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ProceedsReceivedFromPublicOfferingNetOfExpenses" xlink:label="ampg_ProceedsReceivedFromPublicOfferingNetOfExpenses"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ProceedsReceivedFromPublicOfferingNetOfExpenses" xlink:to="ampg_ProceedsReceivedFromPublicOfferingNetOfExpenses_lbl_60013a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ProceedsReceivedFromPublicOfferingNetOfExpenses_lbl_60013a" xml:lang="en-US"> Proceeds received from public offering, net of expenses </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromWarrantExercises" xlink:label="us-gaap_ProceedsFromWarrantExercises"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromWarrantExercises" xlink:to="us-gaap_ProceedsFromWarrantExercises_lbl_f4c421" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromWarrantExercises_lbl_f4c421" xml:lang="en-US"> Proceeds received from exercise of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:label="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit" xlink:to="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_lbl_498e18" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRepaymentsOfLinesOfCredit_lbl_498e18" xml:lang="en-US"> Proceeds (Repayment) of line of credit, net </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_RepaymentsOnFinanceLease" xlink:label="ampg_RepaymentsOnFinanceLease"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_RepaymentsOnFinanceLease" xlink:to="ampg_RepaymentsOnFinanceLease_lbl_242fd0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_RepaymentsOnFinanceLease_lbl_242fd0" xml:lang="en-US"> Repayments on finance lease </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfNotesPayable" xlink:to="us-gaap_RepaymentsOfNotesPayable_lbl_3f81a5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl_3f81a5" xml:lang="en-US"> Proceeds (Repayment) of notes payable, net </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfNotesPayable" xlink:label="us-gaap_RepaymentsOfNotesPayable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfNotesPayable" xlink:to="us-gaap_RepaymentsOfNotesPayable_lbl_32" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl_32" xml:lang="en-US"> [Repayments of Notes Payable] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_7e023c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_7e023c" xml:lang="en-US"> Net cash (used in) provided by financing activities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_33" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl_33" xml:lang="en-US"> [Net Cash Provided by (Used in) Financing Activities] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_2ea84a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_2ea84a" xml:lang="en-US"> Net change in cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_34" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl_34" xml:lang="en-US"> [Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_fdc078" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_fdc078" xml:lang="en-US"> Cash and Cash Equivalents, Beginning of Period </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_808174" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl_808174" xml:lang="en-US"> Cash and Cash Equivalents, End of Period </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl_facef0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl_facef0" xml:lang="en-US"> Supplemental disclosures: </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl_1cbe74" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl_1cbe74" xml:lang="en-US"> Cash paid for interest expense </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl_57a449" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl_57a449" xml:lang="en-US"> Cash paid for income taxes </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:to="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl_e2ba35" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl_e2ba35" xml:lang="en-US"> Non-Cash Investing and Financing Activities: </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedOnVestingOfRsus" xlink:label="ampg_CommonStockIssuedOnVestingOfRsus"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedOnVestingOfRsus" xlink:to="ampg_CommonStockIssuedOnVestingOfRsus_lbl_0c8e71" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedOnVestingOfRsus_lbl_0c8e71" xml:lang="en-US"> Common Stock issued on vesting of RSUs </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinanceAgreementEnteredInExchangeForPrepaidAssets" xlink:label="ampg_FinanceAgreementEnteredInExchangeForPrepaidAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinanceAgreementEnteredInExchangeForPrepaidAssets" xlink:to="ampg_FinanceAgreementEnteredInExchangeForPrepaidAssets_lbl_b42048" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinanceAgreementEnteredInExchangeForPrepaidAssets_lbl_b42048" xml:lang="en-US"> Finance agreement entered in exchange for prepaid assets </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_EquipmentReceivedForPrepaidAssets" xlink:label="ampg_EquipmentReceivedForPrepaidAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_EquipmentReceivedForPrepaidAssets" xlink:to="ampg_EquipmentReceivedForPrepaidAssets_lbl_9ceb02" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_EquipmentReceivedForPrepaidAssets_lbl_9ceb02" xml:lang="en-US"> Equipment received for prepaid assets </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OperatingLeaseRightOfUseAssetAndLiabilityInitialMeasurement" xlink:label="ampg_OperatingLeaseRightOfUseAssetAndLiabilityInitialMeasurement"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OperatingLeaseRightOfUseAssetAndLiabilityInitialMeasurement" xlink:to="ampg_OperatingLeaseRightOfUseAssetAndLiabilityInitialMeasurement_lbl_d0f12e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OperatingLeaseRightOfUseAssetAndLiabilityInitialMeasurement_lbl_d0f12e" xml:lang="en-US"> Operating lease right-of-use asset and liability initial measurement </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinancedPurchasesOfPropertyAndEquipment1" xlink:label="ampg_FinancedPurchasesOfPropertyAndEquipment1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinancedPurchasesOfPropertyAndEquipment1" xlink:to="ampg_FinancedPurchasesOfPropertyAndEquipment1_lbl_442f53" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinancedPurchasesOfPropertyAndEquipment1_lbl_442f53" xml:lang="en-US"> Financed purchases of property and equipment </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LossOnDisposalOfPropertyAndEquipment" xlink:to="ampg_LossOnDisposalOfPropertyAndEquipment_lbl_828adc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_LossOnDisposalOfPropertyAndEquipment_lbl_828adc" xml:lang="en-US"> Loss on disposal of property and equipment </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LossOnDisposalOfPropertyAndEquipment" xlink:label="ampg_LossOnDisposalOfPropertyAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LossOnDisposalOfPropertyAndEquipment" xlink:to="ampg_LossOnDisposalOfPropertyAndEquipment_lbl_46" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LossOnDisposalOfPropertyAndEquipment_lbl_46" xml:lang="en-US"> [Loss on disposal of property and equipment] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl_e9eed0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl_e9eed0" xml:lang="en-US"> Condensed Consolidated Statements of Stockholders' Equity (Unaudited) </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl_dc5f04" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl_dc5f04" xml:lang="en-US"> Equity Components [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PreferredStockSeriesAMember" xlink:label="ampg_PreferredStockSeriesAMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PreferredStockSeriesAMember" xlink:to="ampg_PreferredStockSeriesAMember_lbl_c91fee" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PreferredStockSeriesAMember_lbl_c91fee" xml:lang="en-US"> Series A Convertible Preferred Stock </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl_e16abf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl_e16abf" xml:lang="en-US"> Common Stock </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl_2c9eb9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl_2c9eb9" xml:lang="en-US"> Additional Paid-In Capital </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl_55a837" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl_55a837" xml:lang="en-US"> Accumulated Deficit </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl_c98de0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesIssued_lbl_c98de0" xml:lang="en-US"> Balance, shares </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssued_lbl_2" xml:lang="en-US"> [Shares, Issued] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_9d6123" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_lbl_9d6123" xml:lang="en-US"> Balance, amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedInPrivatePlacementShares" xlink:label="ampg_CommonStockIssuedInPrivatePlacementShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedInPrivatePlacementShares" xlink:to="ampg_CommonStockIssuedInPrivatePlacementShares_lbl_b484e8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedInPrivatePlacementShares_lbl_b484e8" xml:lang="en-US"> Common stock issued in private placement, shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedInPrivatePlacementAmount" xlink:label="ampg_CommonStockIssuedInPrivatePlacementAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedInPrivatePlacementAmount" xlink:to="ampg_CommonStockIssuedInPrivatePlacementAmount_lbl_973930" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedInPrivatePlacementAmount_lbl_973930" xml:lang="en-US"> Common stock issued in private placement, amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedInPublicOfferingShares" xlink:label="ampg_CommonStockIssuedInPublicOfferingShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedInPublicOfferingShares" xlink:to="ampg_CommonStockIssuedInPublicOfferingShares_lbl_79906a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedInPublicOfferingShares_lbl_79906a" xml:lang="en-US"> Common stock issued in public offering, shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedInPublicOfferingAmount" xlink:label="ampg_CommonStockIssuedInPublicOfferingAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedInPublicOfferingAmount" xlink:to="ampg_CommonStockIssuedInPublicOfferingAmount_lbl_e543e2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedInPublicOfferingAmount_lbl_e543e2" xml:lang="en-US"> Common stock issued in public offering, amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingShares" xlink:label="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingShares" xlink:to="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingShares_lbl_1e6aaa" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingShares_lbl_1e6aaa" xml:lang="en-US"> Additional shares issued in connection to reverse split due to rounding, shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingAmount" xlink:label="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingAmount" xlink:to="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingAmount_lbl_4ddfc3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AdditionalSharesIssuedInConnectionToReverseSplitDueToRoundingAmount_lbl_4ddfc3" xml:lang="en-US"> Additional shares issued in connection to reverse split due to rounding, amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedUponExerciseOfWarrantsShares" xlink:label="ampg_CommonStockIssuedUponExerciseOfWarrantsShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedUponExerciseOfWarrantsShares" xlink:to="ampg_CommonStockIssuedUponExerciseOfWarrantsShares_lbl_a4b758" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedUponExerciseOfWarrantsShares_lbl_a4b758" xml:lang="en-US"> Common stock issued upon exercise of warrants, shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedUponExerciseOfWarrantsAmount" xlink:label="ampg_CommonStockIssuedUponExerciseOfWarrantsAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedUponExerciseOfWarrantsAmount" xlink:to="ampg_CommonStockIssuedUponExerciseOfWarrantsAmount_lbl_e82b3d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedUponExerciseOfWarrantsAmount_lbl_e82b3d" xml:lang="en-US"> Common stock issued upon exercise of warrants, amount </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl_d2d124" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl_d2d124" xml:lang="en-US"> Stock based compensation </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl_6bc791" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl_6bc791" xml:lang="en-US"> Net loss for the six months ended June 30, 2021 </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedInPrivatePlacementshare" xlink:label="ampg_CommonStockIssuedInPrivatePlacementshare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedInPrivatePlacementshare" xlink:to="ampg_CommonStockIssuedInPrivatePlacementshare_lbl_4972fd" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedInPrivatePlacementshare_lbl_4972fd" xml:lang="en-US"> Common stock issued in private placement,share </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedUponExerciseOfWarrantsShare" xlink:label="ampg_CommonStockIssuedUponExerciseOfWarrantsShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedUponExerciseOfWarrantsShare" xlink:to="ampg_CommonStockIssuedUponExerciseOfWarrantsShare_lbl_37133e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedUponExerciseOfWarrantsShare_lbl_37133e" xml:lang="en-US"> Common stock issued upon exercise of warrants,share </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SharebasedCompensation" xlink:to="ampg_SharebasedCompensation_lbl_00cbc9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_SharebasedCompensation_lbl_00cbc9" xml:lang="en-US"> Stock based compensation </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SharebasedCompensation" xlink:label="ampg_SharebasedCompensation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SharebasedCompensation" xlink:to="ampg_SharebasedCompensation_lbl_16" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SharebasedCompensation_lbl_16" xml:lang="en-US"> [Stock based compensation] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedForVestingOfRsusShares" xlink:label="ampg_CommonStockIssuedForVestingOfRsusShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedForVestingOfRsusShares" xlink:to="ampg_CommonStockIssuedForVestingOfRsusShares_lbl_bbab33" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedForVestingOfRsusShares_lbl_bbab33" xml:lang="en-US"> Common stock issued for vesting of RSUs, shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedForVestingOfRsusAmountdummy" xlink:label="ampg_CommonStockIssuedForVestingOfRsusAmountdummy"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedForVestingOfRsusAmountdummy" xlink:to="ampg_CommonStockIssuedForVestingOfRsusAmountdummy_lbl_58bf12" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedForVestingOfRsusAmountdummy_lbl_58bf12" xml:lang="en-US"> Common stock issued for vesting of RSUs, amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedForVestingOfRsusShare" xlink:label="ampg_CommonStockIssuedForVestingOfRsusShare"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedForVestingOfRsusShare" xlink:to="ampg_CommonStockIssuedForVestingOfRsusShare_lbl_d25cf0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedForVestingOfRsusShare_lbl_d25cf0" xml:lang="en-US"> Common stock issued for vesting of RSUs,share </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedForVestingOfRsusAmount" xlink:to="ampg_CommonStockIssuedForVestingOfRsusAmount_lbl_bed22b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_CommonStockIssuedForVestingOfRsusAmount_lbl_bed22b" xml:lang="en-US"> Common stock issued for vesting of RSUs, amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommonStockIssuedForVestingOfRsusAmount" xlink:label="ampg_CommonStockIssuedForVestingOfRsusAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommonStockIssuedForVestingOfRsusAmount" xlink:to="ampg_CommonStockIssuedForVestingOfRsusAmount_lbl_20" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommonStockIssuedForVestingOfRsusAmount_lbl_20" xml:lang="en-US"> [Common stock issued for vesting of RSUs, amount] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl_94afb5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesIssued_lbl_94afb5" xml:lang="en-US"> Balance, shares </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl_a79c33" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_lbl_a79c33" xml:lang="en-US"> Balance, amount </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl_13d36a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl_13d36a" xml:lang="en-US"> Organization and Business Description </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_5d291b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_5d291b" xml:lang="en-US"> Organization and Business Description </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl_2" xml:lang="en-US"> Business Description and Basis of Presentation [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl_f86db3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl_f86db3" xml:lang="en-US"> Summary of Significant Accounting Policies </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_1d6f1e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_1d6f1e" xml:lang="en-US"> Summary of Significant Accounting Policies </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl_2" xml:lang="en-US"> Significant Accounting Policies [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl_f6e763" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesAbstract_lbl_f6e763" xml:lang="en-US"> Revenues </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock" xlink:to="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock_lbl_905dc2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock_lbl_905dc2" xml:lang="en-US"> Revenues </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredRevenueByArrangementDisclosureTextBlock" xlink:label="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock" xlink:to="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredRevenueByArrangementDisclosureTextBlock_lbl_2" xml:lang="en-US"> Deferred Revenue, by Arrangement, Disclosure [Table Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SegmentReportingabstract" xlink:label="ampg_SegmentReportingabstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SegmentReportingabstract" xlink:to="ampg_SegmentReportingabstract_lbl_9a7c99" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SegmentReportingabstract_lbl_9a7c99" xml:lang="en-US"> Segment Reporting </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl_6a0982" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl_6a0982" xml:lang="en-US"> Segment Reporting </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl_2" xml:lang="en-US"> Segment Reporting Disclosure [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AcquisitionOfSpectrumSemiconductorsMaterialsabstract" xlink:label="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsabstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsabstract" xlink:to="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsabstract_lbl_03b01a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsabstract_lbl_03b01a" xml:lang="en-US"> Acquisition of Spectrum Semiconductors Materials </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock" xlink:to="ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock_lbl_c02ec2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock_lbl_c02ec2" xml:lang="en-US"> Acquisition of Spectrum Semiconductors Materials </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock" xlink:label="ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock" xlink:to="ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AcquisitionOfSpectrumSemiconductorsMaterialstdisclosuretextblock_lbl_2" xml:lang="en-US"> [Acquisition of Spectrum Semiconductors Materials] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl_e51c20" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_lbl_e51c20" xml:lang="en-US"> Marketable Securities </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MarketableSecuritiesDisclosureTextBlock" xlink:to="ampg_MarketableSecuritiesDisclosureTextBlock_lbl_ee4d95" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_MarketableSecuritiesDisclosureTextBlock_lbl_ee4d95" xml:lang="en-US"> Marketable Securities </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MarketableSecuritiesDisclosureTextBlock" xlink:label="ampg_MarketableSecuritiesDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MarketableSecuritiesDisclosureTextBlock" xlink:to="ampg_MarketableSecuritiesDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MarketableSecuritiesDisclosureTextBlock_lbl_2" xml:lang="en-US"> [Marketable Securities] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryNetAbstract" xlink:label="us-gaap_InventoryNetAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNetAbstract" xlink:to="us-gaap_InventoryNetAbstract_lbl_7f4d7a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryNetAbstract_lbl_7f4d7a" xml:lang="en-US"> Inventories </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryDisclosureTextBlock" xlink:to="us-gaap_InventoryDisclosureTextBlock_lbl_0e801a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl_0e801a" xml:lang="en-US"> Inventories </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="us-gaap_InventoryDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryDisclosureTextBlock" xlink:to="us-gaap_InventoryDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl_2" xml:lang="en-US"> Inventory Disclosure [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentAbstract_lbl_e57f9a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl_e57f9a" xml:lang="en-US"> Property and Equipment </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl_4d7677" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl_4d7677" xml:lang="en-US"> Property and Equipment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl_2" xml:lang="en-US"> Property, Plant and Equipment Disclosure [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl_b4ca9e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl_b4ca9e" xml:lang="en-US"> Intangible Assets </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl_a17ce6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl_a17ce6" xml:lang="en-US"> Intangible Assets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock_lbl_2" xml:lang="en-US"> Intangible Assets Disclosure [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CostMethodInvestmentTextBlock" xlink:label="ampg_CostMethodInvestmentTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CostMethodInvestmentTextBlock" xlink:to="ampg_CostMethodInvestmentTextBlock_lbl_03cb21" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CostMethodInvestmentTextBlock_lbl_03cb21" xml:lang="en-US"> Cost-Method Investment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl_103030" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureAbstract_lbl_103030" xml:lang="en-US"> Line of Credit </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LineOfCreditTextBlock" xlink:to="ampg_LineOfCreditTextBlock_lbl_75e50f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_LineOfCreditTextBlock_lbl_75e50f" xml:lang="en-US"> Line of Credit </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LineOfCreditTextBlock" xlink:label="ampg_LineOfCreditTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LineOfCreditTextBlock" xlink:to="ampg_LineOfCreditTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LineOfCreditTextBlock_lbl_2" xml:lang="en-US"> [Line of Credit] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeDisclosureAbstract" xlink:label="us-gaap_LesseeDisclosureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeDisclosureAbstract" xlink:to="us-gaap_LesseeDisclosureAbstract_lbl_a9f431" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeDisclosureAbstract_lbl_a9f431" xml:lang="en-US"> Leases </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock" xlink:to="us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock_lbl_1f1e80" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock_lbl_1f1e80" xml:lang="en-US"> Leases </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock" xlink:label="us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock" xlink:to="us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesInFinancialStatementsOfLesseeDisclosureTextBlock_lbl_2" xml:lang="en-US"> Capital Leases in Financial Statements of Lessee Disclosure [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableAbstract" xlink:label="us-gaap_NotesPayableAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableAbstract" xlink:to="us-gaap_NotesPayableAbstract_lbl_ffefd1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesPayableAbstract_lbl_ffefd1" xml:lang="en-US"> Notes Payable </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl_2cdf7e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl_2cdf7e" xml:lang="en-US"> Notes Payable </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl_2" xml:lang="en-US"> Debt Disclosure [Text Block] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl_297855" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl_297855" xml:lang="en-US"> Stockholders' Equity </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl_2" xml:lang="en-US"> Stockholders' Equity Note Disclosure [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl_1e20b9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl_1e20b9" xml:lang="en-US"> Commitments and Contingencies </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsDisclosureTextBlock" xlink:to="us-gaap_CommitmentsDisclosureTextBlock_lbl_2966f5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommitmentsDisclosureTextBlock_lbl_2966f5" xml:lang="en-US"> Commitments and Contingencies </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommitmentsDisclosureTextBlock" xlink:label="us-gaap_CommitmentsDisclosureTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsDisclosureTextBlock" xlink:to="us-gaap_CommitmentsDisclosureTextBlock_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsDisclosureTextBlock_lbl_2" xml:lang="en-US"> Commitments Disclosure [Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl_4e5be5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsAbstract_lbl_4e5be5" xml:lang="en-US"> Subsequent Events </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl_243fbf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl_243fbf" xml:lang="en-US"> Subsequent events </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl_1e05a3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl_1e05a3" xml:lang="en-US"> Basis of Accounting </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="us-gaap_ConsolidationPolicyTextBlock_lbl_356543" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl_356543" xml:lang="en-US"> Principles of Consolidation </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_UseOfEstimates" xlink:label="us-gaap_UseOfEstimates"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl_8b6a45" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UseOfEstimates_lbl_8b6a45" xml:lang="en-US"> Use of Estimates </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ReclassificationsPolicyTextBlock" xlink:label="ampg_ReclassificationsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ReclassificationsPolicyTextBlock" xlink:to="ampg_ReclassificationsPolicyTextBlock_lbl_74c5b5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ReclassificationsPolicyTextBlock_lbl_74c5b5" xml:lang="en-US"> Reclassifications </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl_3837a8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl_3837a8" xml:lang="en-US"> Cash and Cash Equivalents </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="us-gaap_ReceivablesPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesPolicyTextBlock" xlink:to="us-gaap_ReceivablesPolicyTextBlock_lbl_7d62be" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivablesPolicyTextBlock_lbl_7d62be" xml:lang="en-US"> Accounts Receivables </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_EmployeeRetentionCreditPolicyTextBlock" xlink:label="ampg_EmployeeRetentionCreditPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_EmployeeRetentionCreditPolicyTextBlock" xlink:to="ampg_EmployeeRetentionCreditPolicyTextBlock_lbl_e1c03a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_EmployeeRetentionCreditPolicyTextBlock_lbl_e1c03a" xml:lang="en-US"> Employee Retention Credit </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MarketableSecuritiesPolicyTextBlock" xlink:to="ampg_MarketableSecuritiesPolicyTextBlock_lbl_d31aed" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_MarketableSecuritiesPolicyTextBlock_lbl_d31aed" xml:lang="en-US"> Marketable Securities </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MarketableSecuritiesPolicyTextBlock" xlink:label="ampg_MarketableSecuritiesPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MarketableSecuritiesPolicyTextBlock" xlink:to="ampg_MarketableSecuritiesPolicyTextBlock_lbl_9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MarketableSecuritiesPolicyTextBlock_lbl_9" xml:lang="en-US"> [Marketable Securities 1] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_lbl_700932" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl_700932" xml:lang="en-US"> Inventories </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_lbl_10" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl_10" xml:lang="en-US"> Inventory, Policy [Policy Text Block] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl_bbf5b9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl_bbf5b9" xml:lang="en-US"> Property and Equipment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl_11" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl_11" xml:lang="en-US"> Property, Plant and Equipment, Policy [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LonglivedAssetsPolicyTextBlock" xlink:label="ampg_LonglivedAssetsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LonglivedAssetsPolicyTextBlock" xlink:to="ampg_LonglivedAssetsPolicyTextBlock_lbl_88c4a6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LonglivedAssetsPolicyTextBlock_lbl_88c4a6" xml:lang="en-US"> Long-lived assets </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_InvestmentpolicycostMethodpolicytextblock" xlink:label="ampg_InvestmentpolicycostMethodpolicytextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_InvestmentpolicycostMethodpolicytextblock" xlink:to="ampg_InvestmentpolicycostMethodpolicytextblock_lbl_9c90c6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_InvestmentpolicycostMethodpolicytextblock_lbl_9c90c6" xml:lang="en-US"> Investment Policy-Cost Method </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsFiniteLivedPolicy" xlink:to="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl_2104c6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsFiniteLivedPolicy_lbl_2104c6" xml:lang="en-US"> Goodwill and Intangible Assets </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeLeasesPolicyTextBlock" xlink:to="us-gaap_LesseeLeasesPolicyTextBlock_lbl_98b65c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl_98b65c" xml:lang="en-US"> Leases </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeLeasesPolicyTextBlock" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeLeasesPolicyTextBlock" xlink:to="us-gaap_LesseeLeasesPolicyTextBlock_lbl_15" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeLeasesPolicyTextBlock_lbl_15" xml:lang="en-US"> Lessee, Leases [Policy Text Block] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock_lbl_6fa3ef" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl_6fa3ef" xml:lang="en-US"> Revenue Recognition </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpensePolicy" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl_60913f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl_60913f" xml:lang="en-US"> Research and Development </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl_e9a830" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl_e9a830" xml:lang="en-US"> Income Taxes </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_lbl_cafb2f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl_cafb2f" xml:lang="en-US"> Earnings Per Share </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementPolicyPolicyTextBlock" xlink:to="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl_a36eeb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementPolicyPolicyTextBlock_lbl_a36eeb" xml:lang="en-US"> Fair Value Measurements </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:to="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl_0cd8b7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock_lbl_0cd8b7" xml:lang="en-US"> Stock-Based Compensation </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="us-gaap_ConcentrationRiskCreditRisk"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskCreditRisk" xlink:to="us-gaap_ConcentrationRiskCreditRisk_lbl_d515c9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskCreditRisk_lbl_d515c9" xml:lang="en-US"> Concentration of Credit Risk </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl_a5b658" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl_a5b658" xml:lang="en-US"> Recent Accounting Pronouncements </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleOfPropertyAndEquipmentDepreciatedTableTextBlock" xlink:label="ampg_ScheduleOfPropertyAndEquipmentDepreciatedTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleOfPropertyAndEquipmentDepreciatedTableTextBlock" xlink:to="ampg_ScheduleOfPropertyAndEquipmentDepreciatedTableTextBlock_lbl_1906a8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleOfPropertyAndEquipmentDepreciatedTableTextBlock_lbl_1906a8" xml:lang="en-US"> Schedule of property and equipment depreciated </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl_e904c4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl_e904c4" xml:lang="en-US"> Schedule of weighted average shares outstanding and the basic diluted earnings per share </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleOfSalesDisaggregatedBasedOnGeographicRegionsTableTextBlock" xlink:label="ampg_ScheduleOfSalesDisaggregatedBasedOnGeographicRegionsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleOfSalesDisaggregatedBasedOnGeographicRegionsTableTextBlock" xlink:to="ampg_ScheduleOfSalesDisaggregatedBasedOnGeographicRegionsTableTextBlock_lbl_bb5d41" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleOfSalesDisaggregatedBasedOnGeographicRegionsTableTextBlock_lbl_bb5d41" xml:lang="en-US"> Schedule of sales disaggregated based on geographic regions </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SegmentReportingTablesAbstract" xlink:label="ampg_SegmentReportingTablesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SegmentReportingTablesAbstract" xlink:to="ampg_SegmentReportingTablesAbstract_lbl_526774" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SegmentReportingTablesAbstract_lbl_526774" xml:lang="en-US"> Segment Reporting (Tables) </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleofsummaryInformationBySegmentForTheThreeMonthstabletextblock" xlink:label="ampg_ScheduleofsummaryInformationBySegmentForTheThreeMonthstabletextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleofsummaryInformationBySegmentForTheThreeMonthstabletextblock" xlink:to="ampg_ScheduleofsummaryInformationBySegmentForTheThreeMonthstabletextblock_lbl_beda44" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleofsummaryInformationBySegmentForTheThreeMonthstabletextblock_lbl_beda44" xml:lang="en-US"> Schedule of summary information by segment for the three months </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleofsummaryInformationBySegmentForTheSixMonthstabletextblock" xlink:label="ampg_ScheduleofsummaryInformationBySegmentForTheSixMonthstabletextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleofsummaryInformationBySegmentForTheSixMonthstabletextblock" xlink:to="ampg_ScheduleofsummaryInformationBySegmentForTheSixMonthstabletextblock_lbl_874870" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleofsummaryInformationBySegmentForTheSixMonthstabletextblock_lbl_874870" xml:lang="en-US"> Schedule of summary information by segment for the six months </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AcquisitionOfSpectrumSemiconductorsMaterialsTablesAbstract" xlink:label="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsTablesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsTablesAbstract" xlink:to="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsTablesAbstract_lbl_8f3470" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AcquisitionOfSpectrumSemiconductorsMaterialsTablesAbstract_lbl_8f3470" xml:lang="en-US"> Acquisition of Spectrum Semiconductors Materials (Tables) </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleofthePurchasePriceOfTheAcquisitiontabletextblock" xlink:label="ampg_ScheduleofthePurchasePriceOfTheAcquisitiontabletextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleofthePurchasePriceOfTheAcquisitiontabletextblock" xlink:to="ampg_ScheduleofthePurchasePriceOfTheAcquisitiontabletextblock_lbl_5ace56" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleofthePurchasePriceOfTheAcquisitiontabletextblock_lbl_5ace56" xml:lang="en-US"> Schedule of the purchase price of the acquisition: </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleOfTheConsolidatedResultsOfOperationsAsThoughTheAcquisitiontabletextblock" xlink:label="ampg_ScheduleOfTheConsolidatedResultsOfOperationsAsThoughTheAcquisitiontabletextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleOfTheConsolidatedResultsOfOperationsAsThoughTheAcquisitiontabletextblock" xlink:to="ampg_ScheduleOfTheConsolidatedResultsOfOperationsAsThoughTheAcquisitiontabletextblock_lbl_7a9aa6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleOfTheConsolidatedResultsOfOperationsAsThoughTheAcquisitiontabletextblock_lbl_7a9aa6" xml:lang="en-US"> Schedule of the consolidated results of operations as though the acquisition </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MarketableSecuritiesTableTextBlock" xlink:label="ampg_MarketableSecuritiesTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MarketableSecuritiesTableTextBlock" xlink:to="ampg_MarketableSecuritiesTableTextBlock_lbl_54828e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MarketableSecuritiesTableTextBlock_lbl_54828e" xml:lang="en-US"> Summary of marketable securities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:to="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl_35148c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl_35148c" xml:lang="en-US"> Schedule of Inventory </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock_lbl_e385d8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfPublicUtilityPropertyPlantAndEquipmentTextBlock_lbl_e385d8" xml:lang="en-US"> Schedule of Property and Equipment useful life </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNetAbstract_lbl_10d3e1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract_lbl_10d3e1" xml:lang="en-US"> Intangible assets (Tables) </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:label="us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:to="us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_lbl_94714d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_lbl_94714d" xml:lang="en-US"> Schedule of intangible assets </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleOfAmortizationOfAssetstabletextblock" xlink:label="ampg_ScheduleOfAmortizationOfAssetstabletextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleOfAmortizationOfAssetstabletextblock" xlink:to="ampg_ScheduleOfAmortizationOfAssetstabletextblock_lbl_131473" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleOfAmortizationOfAssetstabletextblock_lbl_131473" xml:lang="en-US"> Schedule of amortization of assets </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeasesAbstract" xlink:label="us-gaap_LeasesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasesAbstract" xlink:to="us-gaap_LeasesAbstract_lbl_a5a98e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeasesAbstract_lbl_a5a98e" xml:lang="en-US"> Leases (Tables) </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock" xlink:to="us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock_lbl_ce2a09" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCapitalLeasedAsssetsTableTextBlock_lbl_ce2a09" xml:lang="en-US"> Schedule of lease assets and liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock" xlink:label="ampg_ScheduleOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock" xlink:to="ampg_ScheduleOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock_lbl_d76d06" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleOfWeightedAverageRemainingLeaseTermAndWeightedAverageDiscountRateTableTextBlock_lbl_d76d06" xml:lang="en-US"> Schedule of weighted average remaining lease term and weighted average discount rate </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:label="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock" xlink:to="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_lbl_31790e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfFutureMinimumLeasePaymentsForCapitalLeasesTableTextBlock_lbl_31790e" xml:lang="en-US"> Schedule of future minimum lease payments for finance lease </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock" xlink:to="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl_e5d3b8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock_lbl_e5d3b8" xml:lang="en-US"> Schedule of future minimum lease payments for operating lease </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_NotesPayableTablesAbstract" xlink:label="ampg_NotesPayableTablesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_NotesPayableTablesAbstract" xlink:to="ampg_NotesPayableTablesAbstract_lbl_d9e42f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_NotesPayableTablesAbstract_lbl_d9e42f" xml:lang="en-US"> Notes payable (Tables) </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleOfFuturePricipalPaymentsTexblock" xlink:label="ampg_ScheduleOfFuturePricipalPaymentsTexblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleOfFuturePricipalPaymentsTexblock" xlink:to="ampg_ScheduleOfFuturePricipalPaymentsTexblock_lbl_122c93" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleOfFuturePricipalPaymentsTexblock_lbl_122c93" xml:lang="en-US"> Schedule of future pricipal payments </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityAbstract" xlink:label="us-gaap_EquityAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityAbstract" xlink:to="us-gaap_EquityAbstract_lbl_7f8bd2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityAbstract_lbl_7f8bd2" xml:lang="en-US"> Stockholders Equity (Tables) </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:label="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:to="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_lbl_652f2f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_lbl_652f2f" xml:lang="en-US"> Summary of warrants outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleofchangesInStockOptionsOutstandingtableTextblock" xlink:label="ampg_ScheduleofchangesInStockOptionsOutstandingtableTextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleofchangesInStockOptionsOutstandingtableTextblock" xlink:to="ampg_ScheduleofchangesInStockOptionsOutstandingtableTextblock_lbl_b9cf6d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleofchangesInStockOptionsOutstandingtableTextblock_lbl_b9cf6d" xml:lang="en-US"> Summary of changes in stock options outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ScheduleofchangesInStockUnitsOutstandingtableTextblock" xlink:label="ampg_ScheduleofchangesInStockUnitsOutstandingtableTextblock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ScheduleofchangesInStockUnitsOutstandingtableTextblock" xlink:to="ampg_ScheduleofchangesInStockUnitsOutstandingtableTextblock_lbl_c7b8f3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ScheduleofchangesInStockUnitsOutstandingtableTextblock_lbl_c7b8f3" xml:lang="en-US"> Summary of changes in stock units outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityReverseStockSplit" xlink:label="us-gaap_StockholdersEquityReverseStockSplit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityReverseStockSplit" xlink:to="us-gaap_StockholdersEquityReverseStockSplit_lbl_66c918" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl_66c918" xml:lang="en-US"> Reverse stock split </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl_df4f99" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl_df4f99" xml:lang="en-US"> Common stock, outstanding </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PercentageOfAcquiredEntityInExchangeOfOutstandingShares" xlink:label="ampg_PercentageOfAcquiredEntityInExchangeOfOutstandingShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PercentageOfAcquiredEntityInExchangeOfOutstandingShares" xlink:to="ampg_PercentageOfAcquiredEntityInExchangeOfOutstandingShares_lbl_ff4471" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PercentageOfAcquiredEntityInExchangeOfOutstandingShares_lbl_ff4471" xml:lang="en-US"> Percentage of acquired entity in exchange of outstanding shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AcquisitionOfEntityByIssuingOfCommonStock" xlink:label="ampg_AcquisitionOfEntityByIssuingOfCommonStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AcquisitionOfEntityByIssuingOfCommonStock" xlink:to="ampg_AcquisitionOfEntityByIssuingOfCommonStock_lbl_56f757" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AcquisitionOfEntityByIssuingOfCommonStock_lbl_56f757" xml:lang="en-US"> Acquisition of entity by issuing of common stock </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OfferingShares" xlink:label="ampg_OfferingShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OfferingShares" xlink:to="ampg_OfferingShares_lbl_a7883c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OfferingShares_lbl_a7883c" xml:lang="en-US"> Public offering shares </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ExcessStockSharesIssued" xlink:label="us-gaap_ExcessStockSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessStockSharesIssued" xlink:to="us-gaap_ExcessStockSharesIssued_lbl_5c806d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessStockSharesIssued_lbl_5c806d" xml:lang="en-US"> Selling shareholders shares owned after share exchange </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OfferingPrice" xlink:label="ampg_OfferingPrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OfferingPrice" xlink:to="ampg_OfferingPrice_lbl_86425b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OfferingPrice_lbl_86425b" xml:lang="en-US"> Offering price </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl_fa1776" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl_fa1776" xml:lang="en-US"> Long-Lived Tangible Asset [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OfficeEquipmentMember" xlink:label="us-gaap_OfficeEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OfficeEquipmentMember" xlink:to="us-gaap_OfficeEquipmentMember_lbl_e8fdac" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OfficeEquipmentMember_lbl_e8fdac" xml:lang="en-US"> Office Equipment [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentMember" xlink:to="us-gaap_MachineryAndEquipmentMember_lbl_b95bd6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl_b95bd6" xml:lang="en-US"> Machinery And Equipment [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ComputerEquipmentMember" xlink:label="us-gaap_ComputerEquipmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComputerEquipmentMember" xlink:to="us-gaap_ComputerEquipmentMember_lbl_bb94e7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComputerEquipmentMember_lbl_bb94e7" xml:lang="en-US"> Computer Equipment [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VehiclesMember" xlink:label="us-gaap_VehiclesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VehiclesMember" xlink:to="us-gaap_VehiclesMember_lbl_532169" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VehiclesMember_lbl_532169" xml:lang="en-US"> Vehicles [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_EstimatedUsefulLife" xlink:label="ampg_EstimatedUsefulLife"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_EstimatedUsefulLife" xlink:to="ampg_EstimatedUsefulLife_lbl_2611fb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_EstimatedUsefulLife_lbl_2611fb" xml:lang="en-US"> Estimated useful life </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_DepreciationMethod" xlink:label="ampg_DepreciationMethod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_DepreciationMethod" xlink:to="ampg_DepreciationMethod_lbl_02090b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_DepreciationMethod_lbl_02090b" xml:lang="en-US"> Depreciation Method </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_BasicEPSMember" xlink:label="ampg_BasicEPSMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_BasicEPSMember" xlink:to="ampg_BasicEPSMember_lbl_8e6c5d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_BasicEPSMember_lbl_8e6c5d" xml:lang="en-US"> Basic EPS [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_DilutedEPSMember" xlink:label="ampg_DilutedEPSMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_DilutedEPSMember" xlink:to="ampg_DilutedEPSMember_lbl_378c82" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_DilutedEPSMember_lbl_378c82" xml:lang="en-US"> Diluted EPS [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted" xlink:label="ampg_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted" xlink:to="ampg_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted_lbl_b36029" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WeightedAverageNumberOfSharesOutstandingBasicAndDiluted_lbl_b36029" xml:lang="en-US"> Shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_EarningsPerSharesBasicAndDiluted" xlink:label="ampg_EarningsPerSharesBasicAndDiluted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_EarningsPerSharesBasicAndDiluted" xlink:to="ampg_EarningsPerSharesBasicAndDiluted_lbl_31e6e4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_EarningsPerSharesBasicAndDiluted_lbl_31e6e4" xml:lang="en-US"> Per Share Amount </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationAxis_lbl_d85a59" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementLocationAxis_lbl_d85a59" xml:lang="en-US"> Income Statement Location [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl_093a32" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl_093a32" xml:lang="en-US"> Selling, General and Administrative Expenses [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivable" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl_1fe0ab" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl_1fe0ab" xml:lang="en-US"> Allowance for doubtful accounts receivable </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToEmployees" xlink:label="us-gaap_PaymentsToEmployees"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToEmployees" xlink:to="us-gaap_PaymentsToEmployees_lbl_a5effd" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToEmployees_lbl_a5effd" xml:lang="en-US"> Wages for employee </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditDerivativeMaximumExposureUndiscounted" xlink:label="us-gaap_CreditDerivativeMaximumExposureUndiscounted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditDerivativeMaximumExposureUndiscounted" xlink:to="us-gaap_CreditDerivativeMaximumExposureUndiscounted_lbl_909398" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditDerivativeMaximumExposureUndiscounted_lbl_909398" xml:lang="en-US"> Maximum tax credit </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherInventory" xlink:label="us-gaap_OtherInventory"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherInventory" xlink:to="us-gaap_OtherInventory_lbl_594d44" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherInventory_lbl_594d44" xml:lang="en-US"> Inventory obsolescence reserve </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_Costmethodinvestment" xlink:label="ampg_Costmethodinvestment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_Costmethodinvestment" xlink:to="ampg_Costmethodinvestment_lbl_8c02d8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_Costmethodinvestment_lbl_8c02d8" xml:lang="en-US"> Cost-method-investment </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PotentiallyDilutiveShares" xlink:label="ampg_PotentiallyDilutiveShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PotentiallyDilutiveShares" xlink:to="ampg_PotentiallyDilutiveShares_lbl_bc0fb1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PotentiallyDilutiveShares_lbl_bc0fb1" xml:lang="en-US"> Potentially dilutive shares </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFDICInsuredAmount" xlink:label="us-gaap_CashFDICInsuredAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFDICInsuredAmount" xlink:to="us-gaap_CashFDICInsuredAmount_lbl_68d9df" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashFDICInsuredAmount_lbl_68d9df" xml:lang="en-US"> FDIC insured limit </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CashInExcessOfFdicInsuredLimit" xlink:label="ampg_CashInExcessOfFdicInsuredLimit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CashInExcessOfFdicInsuredLimit" xlink:to="ampg_CashInExcessOfFdicInsuredLimit_lbl_6d18ba" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CashInExcessOfFdicInsuredLimit_lbl_6d18ba" xml:lang="en-US"> Cash in excess of FDIC insured limit </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_EmployeeRetentionCreditCollected" xlink:label="ampg_EmployeeRetentionCreditCollected"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_EmployeeRetentionCreditCollected" xlink:to="ampg_EmployeeRetentionCreditCollected_lbl_29ba9a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_EmployeeRetentionCreditCollected_lbl_29ba9a" xml:lang="en-US"> Employee retention credit collected </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OtherReceivable" xlink:to="ampg_OtherReceivable_lbl_393ce1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_OtherReceivable_lbl_393ce1" xml:lang="en-US"> Other Receivable </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OtherReceivable" xlink:label="ampg_OtherReceivable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OtherReceivable" xlink:to="ampg_OtherReceivable_lbl_11" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OtherReceivable_lbl_11" xml:lang="en-US"> [Other Receivable] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl_e7563a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl_e7563a" xml:lang="en-US"> Research and development </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredRevenueArrangementTypeAxis" xlink:label="us-gaap_DeferredRevenueArrangementTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenueArrangementTypeAxis" xlink:to="us-gaap_DeferredRevenueArrangementTypeAxis_lbl_d20b55" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredRevenueArrangementTypeAxis_lbl_d20b55" xml:lang="en-US"> Deferred Revenue Arrangement Type [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl_a2308c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanNameAxis_lbl_a2308c" xml:lang="en-US"> Plan Name [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_InternationalSalesMember" xlink:label="ampg_InternationalSalesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_InternationalSalesMember" xlink:to="ampg_InternationalSalesMember_lbl_bf5bc5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_InternationalSalesMember_lbl_bf5bc5" xml:lang="en-US"> International sales [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AmplitechIncMember" xlink:label="ampg_AmplitechIncMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AmplitechIncMember" xlink:to="ampg_AmplitechIncMember_lbl_052d8c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AmplitechIncMember_lbl_052d8c" xml:lang="en-US"> Amplitech Inc. [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_DomesticSalesMember" xlink:label="ampg_DomesticSalesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_DomesticSalesMember" xlink:to="ampg_DomesticSalesMember_lbl_ec314f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_DomesticSalesMember_lbl_ec314f" xml:lang="en-US"> Domestic sales [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SpectrumMember" xlink:label="ampg_SpectrumMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SpectrumMember" xlink:to="ampg_SpectrumMember_lbl_26cfd9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SpectrumMember_lbl_26cfd9" xml:lang="en-US"> Spectrum [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_DomesticSalesMemberMember" xlink:label="ampg_DomesticSalesMemberMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_DomesticSalesMemberMember" xlink:to="ampg_DomesticSalesMemberMember_lbl_9bc58d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_DomesticSalesMemberMember_lbl_9bc58d" xml:lang="en-US"> Domestic Sales [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl_ccc8e2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Revenues_lbl_ccc8e2" xml:lang="en-US"> Total sales </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl_7a847a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Revenues_lbl_7a847a" xml:lang="en-US"> Total sales </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl_8d9136" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl_8d9136" xml:lang="en-US"> Segments [Axis] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AmplitechIncMember" xlink:to="ampg_AmplitechIncMember_lbl_8763ab" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_AmplitechIncMember_lbl_8763ab" xml:lang="en-US"> Amplitech Inc. [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SpectrumMember" xlink:to="ampg_SpectrumMember_lbl_41b752" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_SpectrumMember_lbl_41b752" xml:lang="en-US"> Spectrum [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateMember" xlink:label="us-gaap_CorporateMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CorporateMember" xlink:to="us-gaap_CorporateMember_lbl_063534" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CorporateMember_lbl_063534" xml:lang="en-US"> Corporate [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfRevenue" xlink:to="us-gaap_CostOfRevenue_lbl_355f88" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CostOfRevenue_lbl_355f88" xml:lang="en-US"> Cost of goods sold </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl_47bd62" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Assets_lbl_47bd62" xml:lang="en-US"> Total Assets </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="us-gaap_DepreciationAndAmortization_lbl_1c073d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DepreciationAndAmortization_lbl_1c073d" xml:lang="en-US"> Depreciation and amortization </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl_43b1b1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_lbl_43b1b1" xml:lang="en-US"> Interest Expense </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="us-gaap_BusinessCombinationsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationsAbstract" xlink:to="us-gaap_BusinessCombinationsAbstract_lbl_edba86" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl_edba86" xml:lang="en-US"> Acquisition of Spectrum Semiconductors Materials (Details) </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAxis_lbl_129762" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl_129762" xml:lang="en-US"> Business Acquisition [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SpectrumSemiconductorMaterialsMember" xlink:label="ampg_SpectrumSemiconductorMaterialsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SpectrumSemiconductorMaterialsMember" xlink:to="ampg_SpectrumSemiconductorMaterialsMember_lbl_e405f1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SpectrumSemiconductorMaterialsMember_lbl_e405f1" xml:lang="en-US"> Spectrum Semiconductor Materials [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesGross" xlink:to="us-gaap_PaymentsToAcquireBusinessesGross_lbl_e97acf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl_e97acf" xml:lang="en-US"> Cash </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:to="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl_1df3f9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl_1df3f9" xml:lang="en-US"> Common stock </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_BusinessCombinationConsiderationTransferredNetWorkingCapitalAdjustment" xlink:label="ampg_BusinessCombinationConsiderationTransferredNetWorkingCapitalAdjustment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_BusinessCombinationConsiderationTransferredNetWorkingCapitalAdjustment" xlink:to="ampg_BusinessCombinationConsiderationTransferredNetWorkingCapitalAdjustment_lbl_6bf25d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_BusinessCombinationConsiderationTransferredNetWorkingCapitalAdjustment_lbl_6bf25d" xml:lang="en-US"> Net working capital adjustment </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_BusinessCombinationConsiderationTransferredIndemnificationEscrowAmount" xlink:label="ampg_BusinessCombinationConsiderationTransferredIndemnificationEscrowAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_BusinessCombinationConsiderationTransferredIndemnificationEscrowAmount" xlink:to="ampg_BusinessCombinationConsiderationTransferredIndemnificationEscrowAmount_lbl_9916af" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_BusinessCombinationConsiderationTransferredIndemnificationEscrowAmount_lbl_9916af" xml:lang="en-US"> Indemnification escrow amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_BusinessCombinationConsiderationTransferredFairValueRevenue" xlink:label="ampg_BusinessCombinationConsiderationTransferredFairValueRevenue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_BusinessCombinationConsiderationTransferredFairValueRevenue" xlink:to="ampg_BusinessCombinationConsiderationTransferredFairValueRevenue_lbl_4e9fc2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_BusinessCombinationConsiderationTransferredFairValueRevenue_lbl_4e9fc2" xml:lang="en-US"> Fair value of revenue amount </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="us-gaap_BusinessCombinationConsiderationTransferred1_lbl_6d28f9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl_6d28f9" xml:lang="en-US"> Total purchase price </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WorkingCapital" xlink:label="ampg_WorkingCapital"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WorkingCapital" xlink:to="ampg_WorkingCapital_lbl_962215" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WorkingCapital_lbl_962215" xml:lang="en-US"> Working capital </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="us-gaap_PropertyPlantAndEquipmentOther"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentOther" xlink:to="us-gaap_PropertyPlantAndEquipmentOther_lbl_80570f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentOther_lbl_80570f" xml:lang="en-US"> Property and equipment </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_lbl_b6e3eb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Goodwill_lbl_b6e3eb" xml:lang="en-US"> Goodwill </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedTrademarksGross" xlink:label="us-gaap_FiniteLivedTrademarksGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedTrademarksGross" xlink:to="us-gaap_FiniteLivedTrademarksGross_lbl_f0ef91" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedTrademarksGross_lbl_f0ef91" xml:lang="en-US"> Tradename </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CustomerRelationships" xlink:label="ampg_CustomerRelationships"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CustomerRelationships" xlink:to="ampg_CustomerRelationships_lbl_564e32" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CustomerRelationships_lbl_564e32" xml:lang="en-US"> Customer relationships </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="us-gaap_OperatingLeaseRightOfUseAsset_lbl_2c4831" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseRightOfUseAsset_lbl_2c4831" xml:lang="en-US"> Right of Use operating lease asset </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_RightOfUseOperatingLeaseLongTermLiability" xlink:label="ampg_RightOfUseOperatingLeaseLongTermLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_RightOfUseOperatingLeaseLongTermLiability" xlink:to="ampg_RightOfUseOperatingLeaseLongTermLiability_lbl_23defb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_RightOfUseOperatingLeaseLongTermLiability_lbl_23defb" xml:lang="en-US"> Right of Use operating lease long-term liability </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl_bd0838" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_lbl_bd0838" xml:lang="en-US"> Other asset </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl_d125ce" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl_d125ce" xml:lang="en-US"> Net assets acquired </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAxis" xlink:label="srt_RestatementAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RestatementAxis" xlink:to="srt_RestatementAxis_lbl_622209" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RestatementAxis_lbl_622209" xml:lang="en-US"> Revision of Prior Period [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis_lbl_c1b55a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementScenarioAxis_lbl_c1b55a" xml:lang="en-US"> Scenario [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RestatementAdjustmentMember" xlink:label="srt_RestatementAdjustmentMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RestatementAdjustmentMember" xlink:to="srt_RestatementAdjustmentMember_lbl_e846ec" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RestatementAdjustmentMember_lbl_e846ec" xml:lang="en-US"> As Reported </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProFormaMember" xlink:label="srt_ProFormaMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProFormaMember" xlink:to="srt_ProFormaMember_lbl_150a1f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProFormaMember_lbl_150a1f" xml:lang="en-US"> Pro Forma </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:to="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl_dbf48b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl_dbf48b" xml:lang="en-US"> Net loss attributable to common shareholders </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:to="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_lbl_fdbb1e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic_lbl_fdbb1e" xml:lang="en-US"> Earnings per common share, basic and diluted: Basic </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:to="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_lbl_6ed4a4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted_lbl_6ed4a4" xml:lang="en-US"> Earnings per common share, basic and diluted: Diluted </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PurchaseAgreementMember" xlink:label="ampg_PurchaseAgreementMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PurchaseAgreementMember" xlink:to="ampg_PurchaseAgreementMember_lbl_88479f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PurchaseAgreementMember_lbl_88479f" xml:lang="en-US"> Purchase Agreement [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="us-gaap_BusinessCombinationConsiderationTransferred1_lbl_cb6006" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl_cb6006" xml:lang="en-US"> Purchase price </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WorkingCapitalAndOtherAdjustmentsPaid" xlink:label="ampg_WorkingCapitalAndOtherAdjustmentsPaid"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WorkingCapitalAndOtherAdjustmentsPaid" xlink:to="ampg_WorkingCapitalAndOtherAdjustmentsPaid_lbl_9cf56d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WorkingCapitalAndOtherAdjustmentsPaid_lbl_9cf56d" xml:lang="en-US"> Working capital and other adjustments paid in connection issuance of shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_UnregisteredSharesIssued" xlink:label="ampg_UnregisteredSharesIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_UnregisteredSharesIssued" xlink:to="ampg_UnregisteredSharesIssued_lbl_1a0d78" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_UnregisteredSharesIssued_lbl_1a0d78" xml:lang="en-US"> Issuance of unregistered shares </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EscrowDeposit" xlink:label="us-gaap_EscrowDeposit"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EscrowDeposit" xlink:to="us-gaap_EscrowDeposit_lbl_899ebd" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EscrowDeposit_lbl_899ebd" xml:lang="en-US"> Escrow deposit </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PurchasePriceAdjustmentEscrowFund" xlink:label="ampg_PurchasePriceAdjustmentEscrowFund"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PurchasePriceAdjustmentEscrowFund" xlink:to="ampg_PurchasePriceAdjustmentEscrowFund_lbl_9e2a27" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PurchasePriceAdjustmentEscrowFund_lbl_9e2a27" xml:lang="en-US"> Purchase price adjustment escrow fund </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WorkingCapitalAdjustment" xlink:label="ampg_WorkingCapitalAdjustment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WorkingCapitalAdjustment" xlink:to="ampg_WorkingCapitalAdjustment_lbl_97e274" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WorkingCapitalAdjustment_lbl_97e274" xml:lang="en-US"> Working Capital </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DueToRelatedPartiesCurrentAndNoncurrent" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent" xlink:to="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl_e9a23c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToRelatedPartiesCurrentAndNoncurrent_lbl_e9a23c" xml:lang="en-US"> Due to related party </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ContingentLiability" xlink:label="ampg_ContingentLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ContingentLiability" xlink:to="ampg_ContingentLiability_lbl_eda71b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ContingentLiability_lbl_eda71b" xml:lang="en-US"> Contingent liability </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueOfAssetsAcquired" xlink:label="us-gaap_FairValueOfAssetsAcquired"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfAssetsAcquired" xlink:to="us-gaap_FairValueOfAssetsAcquired_lbl_6cc862" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOfAssetsAcquired_lbl_6cc862" xml:lang="en-US"> Fair value of net assets acquired </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_BusonessAcquisitionNetIntangibleAssets" xlink:label="ampg_BusonessAcquisitionNetIntangibleAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_BusonessAcquisitionNetIntangibleAssets" xlink:to="ampg_BusonessAcquisitionNetIntangibleAssets_lbl_da2314" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_BusonessAcquisitionNetIntangibleAssets_lbl_da2314" xml:lang="en-US"> Business Acquisition net intangible assets </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_RevenuesAdjustmentDescription" xlink:label="ampg_RevenuesAdjustmentDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_RevenuesAdjustmentDescription" xlink:to="ampg_RevenuesAdjustmentDescription_lbl_4af451" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_RevenuesAdjustmentDescription_lbl_4af451" xml:lang="en-US"> Revenues adjustment, description </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalizedContractCostAxis" xlink:label="us-gaap_CapitalizedContractCostAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedContractCostAxis" xlink:to="us-gaap_CapitalizedContractCostAxis_lbl_5a7fc1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedContractCostAxis_lbl_5a7fc1" xml:lang="en-US"> Capitalized Contract Cost [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MoneyMarketFundMember" xlink:label="ampg_MoneyMarketFundMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MoneyMarketFundMember" xlink:to="ampg_MoneyMarketFundMember_lbl_32b43f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MoneyMarketFundMember_lbl_32b43f" xml:lang="en-US"> Money Market Funds [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_TotalSecuritiesMember" xlink:label="ampg_TotalSecuritiesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_TotalSecuritiesMember" xlink:to="ampg_TotalSecuritiesMember_lbl_03f544" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_TotalSecuritiesMember_lbl_03f544" xml:lang="en-US"> Total Securities [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TradingSecuritiesDebtAmortizedCost" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TradingSecuritiesDebtAmortizedCost" xlink:to="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl_8ae881" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl_8ae881" xml:lang="en-US"> Marketable Securities Amortized Cost </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:to="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl_398681" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss_lbl_398681" xml:lang="en-US"> Marketable Securities Gross unrealized Gain </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MarketableSecuritiesUnrealizedGainLoss" xlink:label="us-gaap_MarketableSecuritiesUnrealizedGainLoss"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesUnrealizedGainLoss" xlink:to="us-gaap_MarketableSecuritiesUnrealizedGainLoss_lbl_233487" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesUnrealizedGainLoss_lbl_233487" xml:lang="en-US"> Marketable Securities Gross unrealized Loss </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MarketableSecurities" xlink:label="us-gaap_MarketableSecurities"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecurities" xlink:to="us-gaap_MarketableSecurities_lbl_8ad2dd" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecurities_lbl_8ad2dd" xml:lang="en-US"> Marketable Securities Estimated Fair Value </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashEquivalentsAtCarryingValue_lbl_dfb329" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_lbl_dfb329" xml:lang="en-US"> Cash and cash equivalents </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashEquivalentsAtCarryingValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashEquivalentsAtCarryingValue_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_lbl_2" xml:lang="en-US"> [Cash Equivalents, at Carrying Value] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryRawMaterials" xlink:label="us-gaap_InventoryRawMaterials"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryRawMaterials" xlink:to="us-gaap_InventoryRawMaterials_lbl_239a7c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryRawMaterials_lbl_239a7c" xml:lang="en-US"> Raw Materials </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryWorkInProcess" xlink:label="us-gaap_InventoryWorkInProcess"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryWorkInProcess" xlink:to="us-gaap_InventoryWorkInProcess_lbl_a0ad18" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryWorkInProcess_lbl_a0ad18" xml:lang="en-US"> Work-in Progress </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryFinishedGoods" xlink:label="us-gaap_InventoryFinishedGoods"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryFinishedGoods" xlink:to="us-gaap_InventoryFinishedGoods_lbl_bf7b14" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryFinishedGoods_lbl_bf7b14" xml:lang="en-US"> Finished Goods </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryGross" xlink:label="us-gaap_InventoryGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryGross" xlink:to="us-gaap_InventoryGross_lbl_538dc2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryGross_lbl_538dc2" xml:lang="en-US"> Subtotal </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryValuationReserves" xlink:to="us-gaap_InventoryValuationReserves_lbl_6f3a84" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InventoryValuationReserves_lbl_6f3a84" xml:lang="en-US"> Less: Reserve for Obsolescence </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryValuationReserves" xlink:label="us-gaap_InventoryValuationReserves"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryValuationReserves" xlink:to="us-gaap_InventoryValuationReserves_lbl_6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryValuationReserves_lbl_6" xml:lang="en-US"> [Inventory Valuation Reserves] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryNet_lbl_0ef3f5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InventoryNet_lbl_0ef3f5" xml:lang="en-US"> Total </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="us-gaap_MachineryAndEquipmentGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentGross" xlink:to="us-gaap_MachineryAndEquipmentGross_lbl_4e031a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl_4e031a" xml:lang="en-US"> Lab Equipment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentOtherNet" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentOtherNet" xlink:to="us-gaap_PropertyPlantAndEquipmentOtherNet_lbl_0bfe8a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherNet_lbl_0bfe8a" xml:lang="en-US"> Manufacturing Equipment </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_Automobile" xlink:label="ampg_Automobile"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_Automobile" xlink:to="ampg_Automobile_lbl_69a8f6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_Automobile_lbl_69a8f6" xml:lang="en-US"> Automobiles </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalizedComputerSoftwareNet" xlink:label="us-gaap_CapitalizedComputerSoftwareNet"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedComputerSoftwareNet" xlink:to="us-gaap_CapitalizedComputerSoftwareNet_lbl_72f7d6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedComputerSoftwareNet_lbl_72f7d6" xml:lang="en-US"> Computer Equipment and Software </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="us-gaap_LeaseholdImprovementsGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsGross" xlink:to="us-gaap_LeaseholdImprovementsGross_lbl_aa3f91" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseholdImprovementsGross_lbl_aa3f91" xml:lang="en-US"> Leasehold Improvements </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FurnitureAndFixturesGross" xlink:label="us-gaap_FurnitureAndFixturesGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesGross" xlink:to="us-gaap_FurnitureAndFixturesGross_lbl_90a4c9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FurnitureAndFixturesGross_lbl_90a4c9" xml:lang="en-US"> Furniture and Fixtures </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl_1c0d81" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl_1c0d81" xml:lang="en-US"> Subtotal </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl_8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl_8" xml:lang="en-US"> [Property, Plant and Equipment, Gross] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl_d0e568" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl_d0e568" xml:lang="en-US"> Less: Accumulated Depreciation </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl_9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl_9" xml:lang="en-US"> [Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl_e3864f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl_e3864f" xml:lang="en-US"> Total </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DepreciationExpenseOnReclassifiedAssets" xlink:label="us-gaap_DepreciationExpenseOnReclassifiedAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationExpenseOnReclassifiedAssets" xlink:to="us-gaap_DepreciationExpenseOnReclassifiedAssets_lbl_329cd8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationExpenseOnReclassifiedAssets_lbl_329cd8" xml:lang="en-US"> Depreciation expense </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl_215d9c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl_215d9c" xml:lang="en-US"> Finite-Lived Intangible Assets by Major Class [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_TradeNameMember" xlink:label="ampg_TradeNameMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_TradeNameMember" xlink:to="ampg_TradeNameMember_lbl_8e8023" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_TradeNameMember_lbl_8e8023" xml:lang="en-US"> Trade Name [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="us-gaap_CustomerRelationshipsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="us-gaap_CustomerRelationshipsMember_lbl_8322ce" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerRelationshipsMember_lbl_8322ce" xml:lang="en-US"> Customer Relationships [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntellectualPropertyMember" xlink:label="us-gaap_IntellectualPropertyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntellectualPropertyMember" xlink:to="us-gaap_IntellectualPropertyMember_lbl_ffe0b7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntellectualPropertyMember_lbl_ffe0b7" xml:lang="en-US"> Intellectual Property [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedTradeNamesGross" xlink:label="us-gaap_FiniteLivedTradeNamesGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedTradeNamesGross" xlink:to="us-gaap_FiniteLivedTradeNamesGross_lbl_9cfcf0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedTradeNamesGross_lbl_9cfcf0" xml:lang="en-US"> Gross Carrying amount </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl_857f21" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl_857f21" xml:lang="en-US"> Accumulated Amortization </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet_lbl_887aff" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl_887aff" xml:lang="en-US"> Net </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WeightedAverageLife" xlink:label="ampg_WeightedAverageLife"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WeightedAverageLife" xlink:to="ampg_WeightedAverageLife_lbl_bed972" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WeightedAverageLife_lbl_bed972" xml:lang="en-US"> Weighted Average Life </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl_871cfc" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl_871cfc" xml:lang="en-US"> Weighted Average Life </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl_6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl_6" xml:lang="en-US"> [Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl_9f8399" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_lbl_9f8399" xml:lang="en-US"> Annual amortization of intangible assets are as follows: </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl_86c25a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl_86c25a" xml:lang="en-US"> 2022 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl_854426" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl_854426" xml:lang="en-US"> 2023 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl_93ea95" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl_93ea95" xml:lang="en-US"> 2024 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl_0e2166" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl_0e2166" xml:lang="en-US"> 2025 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl_4241b9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl_4241b9" xml:lang="en-US"> 2026 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl_b88a99" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_lbl_b88a99" xml:lang="en-US"> Thereafter </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_Net" xlink:to="ampg_Net_lbl_73d5ed" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_Net_lbl_73d5ed" xml:lang="en-US"> Net </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_Net" xlink:label="ampg_Net"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_Net" xlink:to="ampg_Net_lbl_9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_Net_lbl_9" xml:lang="en-US"> [Net] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfLeaseIncentives" xlink:label="us-gaap_AmortizationOfLeaseIncentives"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfLeaseIncentives" xlink:to="us-gaap_AmortizationOfLeaseIncentives_lbl_9ca0f5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfLeaseIncentives_lbl_9ca0f5" xml:lang="en-US"> Amortization expenses </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl_7d9937" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl_7d9937" xml:lang="en-US"> Related Party [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SN2NLLCMember" xlink:label="ampg_SN2NLLCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SN2NLLCMember" xlink:to="ampg_SN2NLLCMember_lbl_49f53f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SN2NLLCMember_lbl_49f53f" xml:lang="en-US"> SN2N, LLC [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AggregatePurchasePriceForMembershipInterest" xlink:label="ampg_AggregatePurchasePriceForMembershipInterest"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AggregatePurchasePriceForMembershipInterest" xlink:to="ampg_AggregatePurchasePriceForMembershipInterest_lbl_86cf9b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AggregatePurchasePriceForMembershipInterest_lbl_86cf9b" xml:lang="en-US"> Aggregate purchase price for membership interest </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityMethodInvestmentAdditionalInformation" xlink:label="us-gaap_EquityMethodInvestmentAdditionalInformation"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentAdditionalInformation" xlink:to="us-gaap_EquityMethodInvestmentAdditionalInformation_lbl_66211f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentAdditionalInformation_lbl_66211f" xml:lang="en-US"> Membership interest purchase agreement description </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Investments" xlink:to="us-gaap_Investments_lbl_a09756" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Investments_lbl_a09756" xml:lang="en-US"> Investment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Investments" xlink:label="us-gaap_Investments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Investments" xlink:to="us-gaap_Investments_lbl_4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Investments_lbl_4" xml:lang="en-US"> [Investments] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OverpaidForTheMembershipInterest" xlink:label="ampg_OverpaidForTheMembershipInterest"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OverpaidForTheMembershipInterest" xlink:to="ampg_OverpaidForTheMembershipInterest_lbl_b86305" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OverpaidForTheMembershipInterest_lbl_b86305" xml:lang="en-US"> Overpaid for the membership interest </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CostMethodInvestmentMembershipInterestPercentage" xlink:label="ampg_CostMethodInvestmentMembershipInterestPercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CostMethodInvestmentMembershipInterestPercentage" xlink:to="ampg_CostMethodInvestmentMembershipInterestPercentage_lbl_11d3ad" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CostMethodInvestmentMembershipInterestPercentage_lbl_11d3ad" xml:lang="en-US"> Cost method investment, membership interest percentage </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RegulatoryAssetAxis" xlink:label="us-gaap_RegulatoryAssetAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetAxis" xlink:to="us-gaap_RegulatoryAssetAxis_lbl_896f8d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetAxis_lbl_896f8d" xml:lang="en-US"> Regulatory Asset [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_SpecialtyMicrowaveCorpMember" xlink:label="ampg_SpecialtyMicrowaveCorpMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_SpecialtyMicrowaveCorpMember" xlink:to="ampg_SpecialtyMicrowaveCorpMember_lbl_0cb5a1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_SpecialtyMicrowaveCorpMember_lbl_0cb5a1" xml:lang="en-US"> Specialty Microwave Corp. [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AccountsReceivablesMember" xlink:label="ampg_AccountsReceivablesMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AccountsReceivablesMember" xlink:to="ampg_AccountsReceivablesMember_lbl_4ff45c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AccountsReceivablesMember_lbl_4ff45c" xml:lang="en-US"> Accounts Receivable [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_InventoryMember" xlink:label="ampg_InventoryMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_InventoryMember" xlink:to="ampg_InventoryMember_lbl_662f2e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_InventoryMember_lbl_662f2e" xml:lang="en-US"> Inventory [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl_653b37" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl_653b37" xml:lang="en-US"> Line of credit, outstanding balance </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditAssumed1" xlink:label="us-gaap_LineOfCreditAssumed1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditAssumed1" xlink:to="us-gaap_LineOfCreditAssumed1_lbl_e03e25" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditAssumed1_lbl_e03e25" xml:lang="en-US"> Line of credit facility </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LineOfCreditMaturityDate" xlink:label="ampg_LineOfCreditMaturityDate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LineOfCreditMaturityDate" xlink:to="ampg_LineOfCreditMaturityDate_lbl_e59e5d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LineOfCreditMaturityDate_lbl_e59e5d" xml:lang="en-US"> Line of credit, maturity date </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_BorrowingBasePercentage" xlink:label="ampg_BorrowingBasePercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_BorrowingBasePercentage" xlink:to="ampg_BorrowingBasePercentage_lbl_f7a023" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_BorrowingBasePercentage_lbl_f7a023" xml:lang="en-US"> Borrowing base, percentage </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="us-gaap_OperatingLeaseLiabilityCurrent_lbl_fc8815" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityCurrent_lbl_fc8815" xml:lang="en-US"> Current portion of operating lease </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl_add966" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl_add966" xml:lang="en-US"> Operating lease, net of current portion </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseLiability" xlink:label="us-gaap_OperatingLeaseLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl_b2159e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseLiability_lbl_b2159e" xml:lang="en-US"> Total operating lease liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets" xlink:label="us-gaap_PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets" xlink:to="us-gaap_PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets_lbl_2d9536" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGrossExcludingCapitalLeasedAssets_lbl_2d9536" xml:lang="en-US"> Property and equipment, gross </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets_lbl_477e30" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets_lbl_477e30" xml:lang="en-US"> Accumulated depreciation </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets_lbl_7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentExcludingCapitalLeasedAssets_lbl_7" xml:lang="en-US"> [Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Excluding Capital Leased Assets] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets" xlink:to="us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets_lbl_1e9b17" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets_lbl_1e9b17" xml:lang="en-US"> Property and equipment, net </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets" xlink:label="us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets" xlink:to="us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets_lbl_8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNetExcludingCapitalLeasedAssets_lbl_8" xml:lang="en-US"> [Property, Plant and Equipment, Net, Excluding Capital Leased Assets] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityCurrent" xlink:to="us-gaap_FinanceLeaseLiabilityCurrent_lbl_453ad2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityCurrent_lbl_453ad2" xml:lang="en-US"> Current portion of financing lease </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityNoncurrent" xlink:to="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl_5ef38b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityNoncurrent_lbl_5ef38b" xml:lang="en-US"> Finance lease, net of current portion </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiability" xlink:label="us-gaap_FinanceLeaseLiability"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiability" xlink:to="us-gaap_FinanceLeaseLiability_lbl_47c942" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiability_lbl_47c942" xml:lang="en-US"> Total finance lease liabilities </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WeightedAverageRemainingLeaseTermYearsAbstract" xlink:label="ampg_WeightedAverageRemainingLeaseTermYearsAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WeightedAverageRemainingLeaseTermYearsAbstract" xlink:to="ampg_WeightedAverageRemainingLeaseTermYearsAbstract_lbl_a5bcb0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WeightedAverageRemainingLeaseTermYearsAbstract_lbl_a5bcb0" xml:lang="en-US"> Weighted average remaining lease term (years) </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OperatingLeases" xlink:label="ampg_OperatingLeases"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OperatingLeases" xlink:to="ampg_OperatingLeases_lbl_94ba54" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OperatingLeases_lbl_94ba54" xml:lang="en-US"> Operating leases </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinanceLeases" xlink:label="ampg_FinanceLeases"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinanceLeases" xlink:to="ampg_FinanceLeases_lbl_803715" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinanceLeases_lbl_803715" xml:lang="en-US"> Finance leases </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WeightedAverageDiscountRateAbstract" xlink:label="ampg_WeightedAverageDiscountRateAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WeightedAverageDiscountRateAbstract" xlink:to="ampg_WeightedAverageDiscountRateAbstract_lbl_ddc5a7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WeightedAverageDiscountRateAbstract_lbl_ddc5a7" xml:lang="en-US"> Weighted average discount rate </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl_3149e4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_lbl_3149e4" xml:lang="en-US"> Operating leases, percent </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent" xlink:to="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl_a90eca" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_lbl_a90eca" xml:lang="en-US"> Finance leases, percent </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AirlineDestinationsAxis" xlink:label="us-gaap_AirlineDestinationsAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AirlineDestinationsAxis" xlink:to="us-gaap_AirlineDestinationsAxis_lbl_6bf9e6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AirlineDestinationsAxis_lbl_6bf9e6" xml:lang="en-US"> Airline Destinations [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinanceLeaseMember" xlink:label="ampg_FinanceLeaseMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinanceLeaseMember" xlink:to="ampg_FinanceLeaseMember_lbl_fc6cef" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinanceLeaseMember_lbl_fc6cef" xml:lang="en-US"> Finance lease [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear" xlink:to="ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear_lbl_097db7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear_lbl_097db7" xml:lang="en-US"> 2022 </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear" xlink:label="ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear" xlink:to="ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinanceLeaseLiabilityPaymentsDueRemainderOfFiscalYear_lbl_2" xml:lang="en-US"> [2022] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl_9ab9c7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl_9ab9c7" xml:lang="en-US"> 2023 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl_3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_lbl_3" xml:lang="en-US"> [Finance Lease, Liability, to be Paid, Year Two] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl_9e656e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl_9e656e" xml:lang="en-US"> 2024 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl_4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_lbl_4" xml:lang="en-US"> [Finance Lease, Liability, to be Paid, Year Three] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl_071872" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl_071872" xml:lang="en-US"> 2025 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl_5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_lbl_5" xml:lang="en-US"> [Finance Lease, Liability, to be Paid, Year Four] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl_5bea8f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl_5bea8f" xml:lang="en-US"> 2026 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl_6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_lbl_6" xml:lang="en-US"> [Finance Lease, Liability, to be Paid, Year Five] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl_c41eb4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl_c41eb4" xml:lang="en-US"> Thereafter </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl_7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_lbl_7" xml:lang="en-US"> [Finance Lease, Liability, to be Paid, after Year Five] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsDue" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl_b8d542" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl_b8d542" xml:lang="en-US"> Total lease payments </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinanceLeaseImputedInterest" xlink:label="ampg_FinanceLeaseImputedInterest"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinanceLeaseImputedInterest" xlink:to="ampg_FinanceLeaseImputedInterest_lbl_4a933d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinanceLeaseImputedInterest_lbl_4a933d" xml:lang="en-US"> Less imputed interest </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsNoncurrent" xlink:to="us-gaap_CapitalLeaseObligationsNoncurrent_lbl_35a7cf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent_lbl_35a7cf" xml:lang="en-US"> Total lease obligations </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligations" xlink:to="us-gaap_CapitalLeaseObligations_lbl_7a07a8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_CapitalLeaseObligations_lbl_7a07a8" xml:lang="en-US"> Less current obligations </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CapitalLeaseObligations" xlink:label="us-gaap_CapitalLeaseObligations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligations" xlink:to="us-gaap_CapitalLeaseObligations_lbl_11" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligations_lbl_11" xml:lang="en-US"> [Capital Lease Obligations] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LongTermLeaseObligations" xlink:label="ampg_LongTermLeaseObligations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LongTermLeaseObligations" xlink:to="ampg_LongTermLeaseObligations_lbl_e0669d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LongTermLeaseObligations_lbl_e0669d" xml:lang="en-US"> Long-term lease obligations </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl_1f3ccf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl_1f3ccf" xml:lang="en-US"> 2022 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear_lbl_2" xml:lang="en-US"> [Operating Leases, Future Minimum Payments, Remainder of Fiscal Year] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_83cc2d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_83cc2d" xml:lang="en-US"> 2023 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl_3" xml:lang="en-US"> [Operating Leases, Future Minimum Payments, Due in Two Years] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl_79efa5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl_79efa5" xml:lang="en-US"> 2024 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl_4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl_4" xml:lang="en-US"> [Operating Leases, Future Minimum Payments, Due in Three Years] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl_bb1dd7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl_bb1dd7" xml:lang="en-US"> 2025 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl_5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl_5" xml:lang="en-US"> [Operating Leases, Future Minimum Payments, Due in Four Years] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl_bdf8ff" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl_bdf8ff" xml:lang="en-US"> 2026 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl_6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl_6" xml:lang="en-US"> [Operating Leases, Future Minimum Payments, Due in Five Years] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl_f0a543" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl_f0a543" xml:lang="en-US"> Thereafter </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl_7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl_7" xml:lang="en-US"> [Operating Leases, Future Minimum Payments, Due Thereafter] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_TotalLeasePayments" xlink:to="ampg_TotalLeasePayments_lbl_8a8b01" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_TotalLeasePayments_lbl_8a8b01" xml:lang="en-US"> Total lease payments </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_TotalLeasePayments" xlink:label="ampg_TotalLeasePayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_TotalLeasePayments" xlink:to="ampg_TotalLeasePayments_lbl_8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_TotalLeasePayments_lbl_8" xml:lang="en-US"> [Total lease payments] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OperatingLeaseImputedInterest" xlink:to="ampg_OperatingLeaseImputedInterest_lbl_dc91ff" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_OperatingLeaseImputedInterest_lbl_dc91ff" xml:lang="en-US"> Less imputed interest </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OperatingLeaseImputedInterest" xlink:label="ampg_OperatingLeaseImputedInterest"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OperatingLeaseImputedInterest" xlink:to="ampg_OperatingLeaseImputedInterest_lbl_9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OperatingLeaseImputedInterest_lbl_9" xml:lang="en-US"> [Less imputed interest] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_lbl_5b7103" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiability_lbl_5b7103" xml:lang="en-US"> Total lease obligations </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LessCurrentObligations" xlink:to="ampg_LessCurrentObligations_lbl_45b706" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_LessCurrentObligations_lbl_45b706" xml:lang="en-US"> Less current obligations </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LessCurrentObligations" xlink:label="ampg_LessCurrentObligations"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LessCurrentObligations" xlink:to="ampg_LessCurrentObligations_lbl_11" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LessCurrentObligations_lbl_11" xml:lang="en-US"> [Less current obligations] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl_ec7194" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeaseLiabilityNoncurrent_lbl_ec7194" xml:lang="en-US"> Operating lease, net of current portion </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinanceLeaseAgreementDescription" xlink:label="ampg_FinanceLeaseAgreementDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinanceLeaseAgreementDescription" xlink:to="ampg_FinanceLeaseAgreementDescription_lbl_4993a5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinanceLeaseAgreementDescription_lbl_4993a5" xml:lang="en-US"> Finance lease agreement description </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_OperatingLeaseAgreementDescription" xlink:label="ampg_OperatingLeaseAgreementDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_OperatingLeaseAgreementDescription" xlink:to="ampg_OperatingLeaseAgreementDescription_lbl_5a1cc8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_OperatingLeaseAgreementDescription_lbl_5a1cc8" xml:lang="en-US"> Operating lease agreement description </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="us-gaap_LeaseAndRentalExpense_lbl_a51ec2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseAndRentalExpense_lbl_a51ec2" xml:lang="en-US"> Operating lease, rental expenses </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AnnualRent" xlink:label="ampg_AnnualRent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AnnualRent" xlink:to="ampg_AnnualRent_lbl_21aa1f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AnnualRent_lbl_21aa1f" xml:lang="en-US"> Annual rent </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_NewLeaseForFacility" xlink:label="ampg_NewLeaseForFacility"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_NewLeaseForFacility" xlink:to="ampg_NewLeaseForFacility_lbl_96314a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_NewLeaseForFacility_lbl_96314a" xml:lang="en-US"> New lease for facility </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LeaseRateIncreaseEachSuccessiveYearPercentage" xlink:label="ampg_LeaseRateIncreaseEachSuccessiveYearPercentage"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LeaseRateIncreaseEachSuccessiveYearPercentage" xlink:to="ampg_LeaseRateIncreaseEachSuccessiveYearPercentage_lbl_813345" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LeaseRateIncreaseEachSuccessiveYearPercentage_lbl_813345" xml:lang="en-US"> Lease rate increase each successive year, percentage </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LeaseCost" xlink:label="us-gaap_LeaseCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCost" xlink:to="us-gaap_LeaseCost_lbl_0d5f0f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseCost_lbl_0d5f0f" xml:lang="en-US"> Lease </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_TotalRent" xlink:label="ampg_TotalRent"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_TotalRent" xlink:to="ampg_TotalRent_lbl_2bf6a6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_TotalRent_lbl_2bf6a6" xml:lang="en-US"> Total rent </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl_356a03" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl_356a03" xml:lang="en-US"> 2022 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_lbl_2" xml:lang="en-US"> [Long-Term Debt, Maturity, Remainder of Fiscal Year] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl_f4cb35" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl_f4cb35" xml:lang="en-US"> 2023 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl_3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl_3" xml:lang="en-US"> [Long-Term Debt, Maturity, Year Two] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl_c550e4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl_c550e4" xml:lang="en-US"> 2024 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl_4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl_4" xml:lang="en-US"> [Long-Term Debt, Maturity, Year Three] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl_8719a9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl_8719a9" xml:lang="en-US"> 2025 </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl_5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl_5" xml:lang="en-US"> [Long-Term Debt, Maturity, Year Four] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl_250fcf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl_250fcf" xml:lang="en-US"> Total remaining payments </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="us-gaap_ShortTermDebtTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeAxis" xlink:to="us-gaap_ShortTermDebtTypeAxis_lbl_9d1751" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl_9d1751" xml:lang="en-US"> Short-Term Debt, Type [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardDateAxis" xlink:label="us-gaap_AwardDateAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardDateAxis" xlink:to="us-gaap_AwardDateAxis_lbl_d2dc53" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardDateAxis_lbl_d2dc53" xml:lang="en-US"> Award Date [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConvertibleNotesPayableMember" xlink:label="us-gaap_ConvertibleNotesPayableMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertibleNotesPayableMember" xlink:to="us-gaap_ConvertibleNotesPayableMember_lbl_c72571" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConvertibleNotesPayableMember_lbl_c72571" xml:lang="en-US"> Convertible Notes Payable [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_DecemberTwentyTwoThousandNineteenMember" xlink:label="ampg_DecemberTwentyTwoThousandNineteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_DecemberTwentyTwoThousandNineteenMember" xlink:to="ampg_DecemberTwentyTwoThousandNineteenMember_lbl_84a6b1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_DecemberTwentyTwoThousandNineteenMember_lbl_84a6b1" xml:lang="en-US"> December 20, 2019 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MayFourteenTwoThousandNineteenMember" xlink:label="ampg_MayFourteenTwoThousandNineteenMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MayFourteenTwoThousandNineteenMember" xlink:to="ampg_MayFourteenTwoThousandNineteenMember_lbl_514a87" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MayFourteenTwoThousandNineteenMember_lbl_514a87" xml:lang="en-US"> May 14, 2020 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_JuneTenTwentyTwentyMember" xlink:label="ampg_JuneTenTwentyTwentyMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_JuneTenTwentyTwentyMember" xlink:to="ampg_JuneTenTwentyTwentyMember_lbl_3bb8c9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_JuneTenTwentyTwentyMember_lbl_3bb8c9" xml:lang="en-US"> June 10, 2020 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_JanuaryTwoThousandTwentyTwoMember" xlink:label="ampg_JanuaryTwoThousandTwentyTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_JanuaryTwoThousandTwentyTwoMember" xlink:to="ampg_JanuaryTwoThousandTwentyTwoMember_lbl_1e0b62" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_JanuaryTwoThousandTwentyTwoMember_lbl_1e0b62" xml:lang="en-US"> January 2022 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PromissoryNoteMember" xlink:label="ampg_PromissoryNoteMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PromissoryNoteMember" xlink:to="ampg_PromissoryNoteMember_lbl_ac84fb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PromissoryNoteMember_lbl_ac84fb" xml:lang="en-US"> Promissory Note [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MaySixeTwoThousendTwentyTwoMember" xlink:label="ampg_MaySixeTwoThousendTwentyTwoMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MaySixeTwoThousendTwentyTwoMember" xlink:to="ampg_MaySixeTwoThousendTwentyTwoMember_lbl_9bd1e3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MaySixeTwoThousendTwentyTwoMember_lbl_9bd1e3" xml:lang="en-US"> May 6, 2022 [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_LeasingFacilityAmount" xlink:label="ampg_LeasingFacilityAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_LeasingFacilityAmount" xlink:to="ampg_LeasingFacilityAmount_lbl_9e5e95" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_LeasingFacilityAmount_lbl_9e5e95" xml:lang="en-US"> Leasing facility amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_IncreasedLeasingFacilityAmount" xlink:label="ampg_IncreasedLeasingFacilityAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_IncreasedLeasingFacilityAmount" xlink:to="ampg_IncreasedLeasingFacilityAmount_lbl_91a2f9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_IncreasedLeasingFacilityAmount_lbl_91a2f9" xml:lang="en-US"> IncreasedLeasing facility amount </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl_c0e1d8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InterestExpense_lbl_c0e1d8" xml:lang="en-US"> Interest Expense </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentPrincipal"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentPeriodicPaymentPrincipal" xlink:to="us-gaap_DebtInstrumentPeriodicPaymentPrincipal_lbl_208386" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentPeriodicPaymentPrincipal_lbl_208386" xml:lang="en-US"> Principal payment </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LoansPayable" xlink:label="us-gaap_LoansPayable"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansPayable" xlink:to="us-gaap_LoansPayable_lbl_07aeb8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LoansPayable_lbl_07aeb8" xml:lang="en-US"> Loan amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_InterestRate" xlink:label="ampg_InterestRate"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_InterestRate" xlink:to="ampg_InterestRate_lbl_59201a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_InterestRate_lbl_59201a" xml:lang="en-US"> Interest rate </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromLoans" xlink:label="us-gaap_ProceedsFromLoans"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLoans" xlink:to="us-gaap_ProceedsFromLoans_lbl_5c87f6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromLoans_lbl_5c87f6" xml:lang="en-US"> Procees from loans </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MonthlyRepaymentAmount" xlink:label="ampg_MonthlyRepaymentAmount"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MonthlyRepaymentAmount" xlink:to="ampg_MonthlyRepaymentAmount_lbl_1679f3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MonthlyRepaymentAmount_lbl_1679f3" xml:lang="en-US"> Monthly repayment amount </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PaymentsForMachineryProduct" xlink:label="ampg_PaymentsForMachineryProduct"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PaymentsForMachineryProduct" xlink:to="ampg_PaymentsForMachineryProduct_lbl_19d5ff" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PaymentsForMachineryProduct_lbl_19d5ff" xml:lang="en-US"> Purchase of machinery </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForDeposits" xlink:label="us-gaap_PaymentsForDeposits"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForDeposits" xlink:to="us-gaap_PaymentsForDeposits_lbl_eb6ff5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForDeposits_lbl_eb6ff5" xml:lang="en-US"> Payments for Deposits </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancingInterestExpense" xlink:label="us-gaap_FinancingInterestExpense"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancingInterestExpense" xlink:to="us-gaap_FinancingInterestExpense_lbl_3acfd6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancingInterestExpense_lbl_3acfd6" xml:lang="en-US"> Financing the balance </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_NumberOfPayments" xlink:label="ampg_NumberOfPayments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_NumberOfPayments" xlink:to="ampg_NumberOfPayments_lbl_4366e5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_NumberOfPayments_lbl_4366e5" xml:lang="en-US"> Number of payments </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="us-gaap_BusinessCombinationConsiderationTransferred1_lbl_d0bbf0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl_d0bbf0" xml:lang="en-US"> Total consideration paid </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl_688420" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl_688420" xml:lang="en-US"> Cash paid in acquisition, net of cash acquired </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ConsidrationPaidInPromissoryNote" xlink:label="ampg_ConsidrationPaidInPromissoryNote"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ConsidrationPaidInPromissoryNote" xlink:to="ampg_ConsidrationPaidInPromissoryNote_lbl_ff1eda" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ConsidrationPaidInPromissoryNote_lbl_ff1eda" xml:lang="en-US"> Considration paid in promissory note </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PrincipalAndInterestPayableDescription" xlink:label="ampg_PrincipalAndInterestPayableDescription"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PrincipalAndInterestPayableDescription" xlink:to="ampg_PrincipalAndInterestPayableDescription_lbl_590744" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PrincipalAndInterestPayableDescription_lbl_590744" xml:lang="en-US"> Principal and interest payable description </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_dae330" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_dae330" xml:lang="en-US"> Number of Options Outstanding, beginning </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_2" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_2" xml:lang="en-US"> [Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl_da05d0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl_da05d0" xml:lang="en-US"> Number of Options, Granted </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl_ea5eb0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl_ea5eb0" xml:lang="en-US"> Number of Options, Exercised </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl_65aff5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl_65aff5" xml:lang="en-US"> Number of Options, Expired </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_f0ae8a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl_f0ae8a" xml:lang="en-US"> Number of Options Outstanding, ending </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl_a808b3" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl_a808b3" xml:lang="en-US"> Number of Options, Exercisable, Ending balance </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl_7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl_7" xml:lang="en-US"> [Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl_e93dda" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl_e93dda" xml:lang="en-US"> Weighted Average Exercise Price Outstanding, beginning </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl_8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl_8" xml:lang="en-US"> [Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_a6d7e1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_a6d7e1" xml:lang="en-US"> Weighted Average Exercise Price Granted </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl_43810f" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl_43810f" xml:lang="en-US"> Weighted Average Exercise Price Exercised </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl_541d98" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl_541d98" xml:lang="en-US"> Weighted Average Exercise Price Expired </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl_0effe8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_lbl_0effe8" xml:lang="en-US"> Weighted Average Exercise Price Outstanding, ending </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl_29f384" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl_29f384" xml:lang="en-US"> Weighted Average Exercise Price exercisable ending </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl_13" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl_13" xml:lang="en-US"> [Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl_8caa15" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl_8caa15" xml:lang="en-US"> Debt Instrument [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WarrantsMember" xlink:label="ampg_WarrantsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WarrantsMember" xlink:to="ampg_WarrantsMember_lbl_c709ae" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WarrantsMember_lbl_c709ae" xml:lang="en-US"> Warrants [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl_7527d7" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl_7527d7" xml:lang="en-US"> Number of Options, Granted </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl_36e205" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl_36e205" xml:lang="en-US"> Number of Options, Exercised </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl_518e1b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl_518e1b" xml:lang="en-US"> Number of Options, Expired </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_b21de4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_b21de4" xml:lang="en-US"> Weighted Average Exercise Price Granted </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl_af8dfb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl_af8dfb" xml:lang="en-US"> Weighted Average Exercise Price Exercised </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl_198b72" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl_198b72" xml:lang="en-US"> Weighted Average Exercise Price Expired </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl_38fe7c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl_38fe7c" xml:lang="en-US"> Award Type [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="us-gaap_RestrictedStockUnitsRSUMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockUnitsRSUMember" xlink:to="us-gaap_RestrictedStockUnitsRSUMember_lbl_69000d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl_69000d" xml:lang="en-US"> Restricted Stock Units [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl_57a2b8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_lbl_57a2b8" xml:lang="en-US"> Number of Options, Granted </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl_6ae1d6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl_6ae1d6" xml:lang="en-US"> Number of Options, Exercised </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl_0dbe47" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_lbl_0dbe47" xml:lang="en-US"> Number of Options, Expired </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_f0656b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl_f0656b" xml:lang="en-US"> Weighted Average Exercise Price Granted </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl_a9fdb0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl_a9fdb0" xml:lang="en-US"> Weighted Average Exercise Price Exercised </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl_e596e9" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_lbl_e596e9" xml:lang="en-US"> Weighted Average Exercise Price Expired </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="srt_ConsolidatedEntitiesAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidatedEntitiesAxis" xlink:to="srt_ConsolidatedEntitiesAxis_lbl_86d01c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ConsolidatedEntitiesAxis_lbl_86d01c" xml:lang="en-US"> Consolidated Entities [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis" xlink:label="srt_RangeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeAxis" xlink:to="srt_RangeAxis_lbl_6b34e1" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl_6b34e1" xml:lang="en-US"> Range [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_AmpliTechGroupIncMember" xlink:label="ampg_AmpliTechGroupIncMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_AmpliTechGroupIncMember" xlink:to="ampg_AmpliTechGroupIncMember_lbl_4a8f1c" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_AmpliTechGroupIncMember_lbl_4a8f1c" xml:lang="en-US"> AmpliTech Group, Inc [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_MaximGroupLLCMember" xlink:label="ampg_MaximGroupLLCMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_MaximGroupLLCMember" xlink:to="ampg_MaximGroupLLCMember_lbl_961390" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_MaximGroupLLCMember_lbl_961390" xml:lang="en-US"> Maxim Group LLC [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ConvertiblePreferredStockSeriesAMember" xlink:label="ampg_ConvertiblePreferredStockSeriesAMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ConvertiblePreferredStockSeriesAMember" xlink:to="ampg_ConvertiblePreferredStockSeriesAMember_lbl_94b202" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ConvertiblePreferredStockSeriesAMember_lbl_94b202" xml:lang="en-US"> Convertible Preferred Stock Series A [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl_1ecd5e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl_1ecd5e" xml:lang="en-US"> Minimum [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl_82639e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl_82639e" xml:lang="en-US"> Maximum [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_StockOptionsMember" xlink:label="ampg_StockOptionsMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_StockOptionsMember" xlink:to="ampg_StockOptionsMember_lbl_421242" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_StockOptionsMember_lbl_421242" xml:lang="en-US"> Stock Option [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_TwoThousandTwentyEquityIncentivePlanMember" xlink:label="ampg_TwoThousandTwentyEquityIncentivePlanMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_TwoThousandTwentyEquityIncentivePlanMember" xlink:to="ampg_TwoThousandTwentyEquityIncentivePlanMember_lbl_f0d253" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_TwoThousandTwentyEquityIncentivePlanMember_lbl_f0d253" xml:lang="en-US"> 2020 Equity Incentive Plan [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_BoardaAdvisorMember" xlink:label="ampg_BoardaAdvisorMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_BoardaAdvisorMember" xlink:to="ampg_BoardaAdvisorMember_lbl_101ae0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_BoardaAdvisorMember_lbl_101ae0" xml:lang="en-US"> Boarda Advisor [Member] </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="us-gaap_PreferredStockSharesAuthorized_lbl_94dc0e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl_94dc0e" xml:lang="en-US"> Preferred Stock shares, authorized </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl_a28d8a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl_a28d8a" xml:lang="en-US"> Preferred Stock, par value </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl_db3d45" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl_db3d45" xml:lang="en-US"> Common stock shares, authorized </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl_95ee53" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl_95ee53" xml:lang="en-US"> Common stock, par value </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:to="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl_90ac0a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_lbl_90ac0a" xml:lang="en-US"> Warrants to purchase an aggregate shares of common stock </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl_ac9bd5" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl_ac9bd5" xml:lang="en-US"> Common stock shares issued </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl_d2706e" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_lbl_d2706e" xml:lang="en-US"> Warrants to purchase an aggregate shares of common stock exercise price </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:to="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl_644022" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOrSaleOfEquity_lbl_644022" xml:lang="en-US"> Proceeds from common stock </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_EqualQuarterlyInstallments" xlink:label="ampg_EqualQuarterlyInstallments"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_EqualQuarterlyInstallments" xlink:to="ampg_EqualQuarterlyInstallments_lbl_becf72" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_EqualQuarterlyInstallments_lbl_becf72" xml:lang="en-US"> Equal quarterly installments </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering" xlink:label="us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering" xlink:to="us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering_lbl_c7d696" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering_lbl_c7d696" xml:lang="en-US"> Public offering </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharePrice" xlink:label="us-gaap_SharePrice"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharePrice" xlink:to="us-gaap_SharePrice_lbl_480238" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharePrice_lbl_480238" xml:lang="en-US"> Fair value assumptions, Stock price </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_UnregisteredSharesOfCommonStock" xlink:label="ampg_UnregisteredSharesOfCommonStock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_UnregisteredSharesOfCommonStock" xlink:to="ampg_UnregisteredSharesOfCommonStock_lbl_2725d8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_UnregisteredSharesOfCommonStock_lbl_2725d8" xml:lang="en-US"> Unregistered shares of common stock </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AcquisitionCosts" xlink:label="us-gaap_AcquisitionCosts"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquisitionCosts" xlink:to="us-gaap_AcquisitionCosts_lbl_e9943a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AcquisitionCosts_lbl_e9943a" xml:lang="en-US"> Acquisition </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_ClassOfWarrantOrRightExercise" xlink:label="ampg_ClassOfWarrantOrRightExercise"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_ClassOfWarrantOrRightExercise" xlink:to="ampg_ClassOfWarrantOrRightExercise_lbl_c4c19d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_ClassOfWarrantOrRightExercise_lbl_c4c19d" xml:lang="en-US"> Warrents </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl_a2d420" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl_a2d420" xml:lang="en-US"> Stock-based compensation expenses </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_WeightedAverageRemainingContractualLife" xlink:label="ampg_WeightedAverageRemainingContractualLife"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_WeightedAverageRemainingContractualLife" xlink:to="ampg_WeightedAverageRemainingContractualLife_lbl_3f9afe" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_WeightedAverageRemainingContractualLife_lbl_3f9afe" xml:lang="en-US"> Weighted average remaining contractual life </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_IntrinsicValue" xlink:label="ampg_IntrinsicValue"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_IntrinsicValue" xlink:to="ampg_IntrinsicValue_lbl_f3339d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_IntrinsicValue_lbl_f3339d" xml:lang="en-US"> Intrinsic value </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_lbl_c2fbdf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost_lbl_c2fbdf" xml:lang="en-US"> Unrecognized compensation cost </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:to="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl_178b44" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_lbl_178b44" xml:lang="en-US"> Purchase of additional common stock </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_PreferredStockDesignatedAsConvertiblePreferredStockShares" xlink:label="ampg_PreferredStockDesignatedAsConvertiblePreferredStockShares"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_PreferredStockDesignatedAsConvertiblePreferredStockShares" xlink:to="ampg_PreferredStockDesignatedAsConvertiblePreferredStockShares_lbl_7282fb" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_PreferredStockDesignatedAsConvertiblePreferredStockShares_lbl_7282fb" xml:lang="en-US"> Preferred stock designated as Convertible Preferred Stock, shares </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_IncreaseInCommonStockShareAuthorized" xlink:label="ampg_IncreaseInCommonStockShareAuthorized"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_IncreaseInCommonStockShareAuthorized" xlink:to="ampg_IncreaseInCommonStockShareAuthorized_lbl_73f59d" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_IncreaseInCommonStockShareAuthorized_lbl_73f59d" xml:lang="en-US"> Increase in common stock shares authorized </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl_be5edf" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_lbl_be5edf" xml:lang="en-US"> Common stock shares issuable upon exercise of warrants </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl_602931" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl_602931" xml:lang="en-US"> Expected term </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_Sharesofcommonstock" xlink:label="ampg_Sharesofcommonstock"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_Sharesofcommonstock" xlink:to="ampg_Sharesofcommonstock_lbl_84583b" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_Sharesofcommonstock_lbl_84583b" xml:lang="en-US"> Shares of common stock </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_CommitmentsAndContingenciesAbstract" xlink:label="ampg_CommitmentsAndContingenciesAbstract"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_CommitmentsAndContingenciesAbstract" xlink:to="ampg_CommitmentsAndContingenciesAbstract_lbl_6484a6" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_CommitmentsAndContingenciesAbstract_lbl_6484a6" xml:lang="en-US"> Commitments and Contingencies (Details Narrative) </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FairValueOfRevenueAdjustment" xlink:label="ampg_FairValueOfRevenueAdjustment"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FairValueOfRevenueAdjustment" xlink:to="ampg_FairValueOfRevenueAdjustment_lbl_12c82a" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FairValueOfRevenueAdjustment_lbl_12c82a" xml:lang="en-US"> Fair value of revenue adjustment </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_RevenuesAdjustmentDescription" xlink:to="ampg_RevenuesAdjustmentDescription_lbl_425853" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ampg_RevenuesAdjustmentDescription_lbl_425853" xml:lang="en-US"> Revenues adjustment, description </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl_2debb8" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl_2debb8" xml:lang="en-US"> Subsequent Event Type [Axis] </link:label>
<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl_ea7aa0" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventMember_lbl_ea7aa0" xml:lang="en-US"> Subsequent Event [Member] </link:label>
<link:loc xlink:type="locator" xlink:href="ampg-20220630.xsd#ampg_FinancedEquipmentOrderCancelledAndRefundIssued" xlink:label="ampg_FinancedEquipmentOrderCancelledAndRefundIssued"/>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ampg_FinancedEquipmentOrderCancelledAndRefundIssued" xlink:to="ampg_FinancedEquipmentOrderCancelledAndRefundIssued_lbl_b039f4" xlink:type="arc"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ampg_FinancedEquipmentOrderCancelledAndRefundIssued_lbl_b039f4" xml:lang="en-US"> Financed equipment order cancelled and refund issued </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="ampg_EstimatedUsefulLife" xlink:to="ampg_EstimatedUsefulLife_d"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="ampg_EstimatedUsefulLife_d"> Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, </link:label>
<link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:type="arc" xlink:from="ampg_OfferingPrice" xlink:to="ampg_OfferingPrice_d"/>
<link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en-US" xlink:label="ampg_OfferingPrice_d"> The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement. </link:label>
</link:labelLink>
</link:linkbase>

↑Top
Filing Submission 0001477932-22-006008   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Sat., May 4, 9:06:36.2pm ET