2BXHQ-SA2GUITARBLKGuitar speaker with dual mic set

Wireless Express Inc.

Application Details

Equipment Class: DSS - Part 15 Spread Spectrum Transmitter
Date of Grant: Sep 08, 2026
Application Purpose: Original Equipment
Equipment Note: Guitar speaker with dual mic set
Frequency Range: 2402.00000000 - 2480.00000000
Company: Wireless Express Inc.
Country: United States

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Attestation Statements

WirelessExpressInc. Address ： 137-1ExpressStreet,Plainview,NewYork11803,UnitedStates Date:2026-09-03 FederalCommunicationsCommission AuthorizationandEvaluationDivision 1435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2BXHQ-SA2GUITARBLK (“WirelessExpressInc.”)certifiesthat,asofthedateofthefilingoftheapplication,Wireless ExpressInc.isourdesignatedU.S.agentforserviceofprocessfortheabovereferenced FCCID.(“WirelessExpressInc.”)acceptstomaintainanagentfornolessthanoneyearafter thegranteehasterminatedallmarketingandimportationortheconclusionofany Commission-relatedproceedinginvolvingtheequipment. WirelessExpressInc.accepts,asofthedateofthefilingoftheapplication,theobligationof thedesignatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:WirelessExpressInc. Address:137-1ExpressStreet,Plainview,NewYork11803,UnitedStates FRN：0038724746 ContactPerson:AlHaber Tel.:+1516-394-2840 Email:[email protected] Sincerely, SignedonbehalfofWirelessExpressInc.SignedonbehalfofWirelessExpressInc. Name:AlHaberName:AlHaber Title:CEOTitle:CEO Date:2026-09-03Date:2026-09-03

Attestation Statements

Rev1/26/2023 WirelessExpressInc. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:09-03-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BXHQ-SA2GUITARBLK (“WirelessExpressInc.”)certifiesthattheequipmentforwhichauthorizationissoughtisnot“covered” equipmentprohibitedfromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCC rules. (“WirelessExpressInc.”)certifiesthattheequipmentforwhichauthorizationissoughtdoesnotinclude cybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessors andassignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofitssuccessorsand assignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886andKDB986446D01Covered EquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, (Applicantsignature)AlHaber (Applicantprintedname) Rev1/26/2023 WirelessExpressInc. FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:09-03-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BXHQ-SA2GUITARBLK (“WirelessExpressInc.”)certifiesthat,asofthedateofthefilingoftheapplication,WirelessExpressInc. isnotidentifiedontheCoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates) asanentityproducing“covered”equipment. Sincerely, (Applicantsignature) (Applicantprintedname)AlHaber

Cover Letter(s)

WirelessExpressInc. Date ： 09-03-2026 Product/ModelNumber:Guitarspeakerwithdualmic set/SA2GUITARBLK,SA2GUITARPK,SA2GUITARWHT,SA2GUITARBLU, SAGUITARWHT,SAGUITARBLK,SA2GUITAR01,SA2GUITAR02, SA2GUITAR03,SA2GUITAR04,SA2GUITAR05 FCCID ： 2BXHQ-SA2GUITARBLK Towhomitmayconcern, Re:ProductCertificationRepresentativeAuthorizationLetter WeauthorizeQAILaboratoriesLtd.3980NorthFraserWay,BurnabyB.C. CanadaV5J5K5toactonourbehalfonallmattersconcerningtheabove namedequipment. Thisshallincludethefollowing: Testing Approvalapplicationsandprocedures WedeclarethatQAILaboratoriesLtd.isallowedtoforwardallinformation relatedtotheapprovalprojecttotheappliedcertificationbodyandtothe notificationentitiesandtodiscussanyissuesconcerningtheapproval application.AnyandallactscarriedoutbyQAILaboratoriesLtd.onour behalfshallhavethesameeffectasactsofourown. By:AlHaber ContactListedonFCCWesbite Title:CEO Email:[email protected] Telephone:+1516-394-2840 Onbehalfof:WirelessExpressInc.

Cover Letter(s)

WirelessExpressInc. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USA Date:September3,2026 Subject;RequestforConfidentiality FCCID:2BXHQ-SA2GUITARBLK ToWhomItMayConcern, PursuanttotheprovisionsoftheCommission’srulesTitle47Sections§0.457and§0.459,we arerequestingtheCommissiontowithholdthefollowingattachment(s)asconfidential documentsfrompublicdisclosureindefinitely. Thesedocumentscontaindetailedsystemandequipmentdescriptionsandareconsideredas proprietaryinformationinoperationoftheequipment.Thepublicdisclosureofthese documentsmightbeharmfultoourcompanyandwouldgivecompetitorsanunfairadvantage inthemarket. SchematicDiagram BlockDiagram PartsList OperationalDescription Tune-upProcedure SoftwareSecurityRequirementsforUNIIdevices Inadditionaltoabovementioneddocuments,inordertocomplywiththemarketingregulations inTitle47CFR§2.803andtheimportationrulesinTitle47CFR§2.1204,whileensuringthat businesssensitiveinformationremainsconfidentialuntiltheactualmarketingofnewly authorizeddevices,werequestShortTermConfidentialityofthefollowingattachment(s); ExternalPhotos TestSetupPhotos InternalPhotos UserManual For45days,pursuanttoPublicNoticeDA04-1705. OR For180dayspursuanttoKDB726920D01. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondenceduringthecertificationreviewprocesscannotbegrantedasconfidential documentsandthisinformationwillbeavailableforpublicreviewoncethegrantofequipment authorizationisissued. Sincerely, Signature: Name:AlHaber Title:CEO

Cover Letter(s)

WirelessExpressInc. ProductSimilarityDeclaration Productname:Guitarspeakerwithdualmicset Modelname:SA2GUITARBLK,SA2GUITARPK,SA2GUITARWHT, SA2GUITARBLU,SAGUITARWHT,SAGUITARBLK,SA2GUITAR01, SA2GUITAR02,SA2GUITAR03,SA2GUITAR04,SA2GUITAR05 Trademark:N/A FCCID:2BXHQ-SA2GUITARBLK We(WirelessExpressInc.)herebystatethatallthemodelsare electricalidenticalincludingthesamesoftwareparameterand hardwaredesign(i.e.,circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,components onPCB,etc.,),samemechanicalstructureanddesign(including productenclosure,materials,etc.,),theonlydifferencearethe modelnameandappearancecolor. Signature: Name:AlHaber Title:CEO Place,date:Plainview,2026.09.03

ID Label/Location Info

Size：80*47mm ProductName:Guitarspeakerwithdualmicset Model:SA2GUITARBLK FCCID:2BXHQ-SA2GUITARBLK Thisdevicecomplieswithpart15oftheFCCRules.Operation issubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesiredoperation. Labellocation

RF Exposure Info

FCCID:2BXHQ-SA2GUITARBLK RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093 ， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤5mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, Weuse5mmasseparationdistancetocalculated. SoaSARtestisnotrequired BT Mode Frequency (MHz) Max Power (dBm) Target power W/tolerance (dBm) Maxtune uppower tolerance (dBm) Max Power (mW) Min. Distance (mm) Calc. thresholds limit GFSK 24022.07 2±1.0 3.01.99535.000.61853.0 24412.472±1.03.01.99535.000.62353.0 24802.682±1.03.01.99535.000.62843.0 Π/4-DQPSK 24022.122±1.03.01.99535.000.61853.0 24412.52 2±1.0 3.01.99535.000.62353.0 24802.7 2±1.0 3.01.99535.000.62843.0 8DPSK 24022.13 2±1.0 3.01.99535.000.61853.0 24412.542±1.03.01.99535.000.62353.0 24802.712±1.03.01.99535.000.62843.0

Test Report

1 Manufacturer:KovozElectronicProductsLimited Address:No.8791,BuildingD,ChuangyiIndustryPark,331YintianIndustrial Zone,YantianCommunity,XixiangStreet,BaoanDistrict,Shenzhen,Guangdong, China Productspecification QuickReference Antennamodelinformation AntennaTypePCB Frequency 2.44GHz Ant.PortInputPwr.(dBm)0(Typ.BTclass2outputpower) Tot.Rad.Pwr.(dBm) -5.8(Inputpwr-losspwr) PeakEIRP(dBm) -2.9 Directivity(dBi)1(alldirectionantenna) Efficiency(dB) -5.8(26.03%) Gain(dBi) -2.9(PeakGainXY-plane) MaximumPower(dBm)-2.9(XY-plane) MinimumPower(dBm)-7.9(XY-plane) AveragePower(dBm)-4.5(XY-plane) Max/MinRatio(dB)5(XY-plane) Max/AvgRatio(dB)1.6(XY-plane) Min/AvgRatio(dB) -3.4(XY-plane) AverageGain(dB)-4.5(AvgGainXY-plane) Antennamodule&Size AntennaGain GainTable [email protected] XY-planeXZ-planeYZ-plane Efficiency Peak Avg Peak Avg Peak Avg -2.9-4.5 -3.7-6.9-2.9-6.126.03% 2 3 3Dradiationpatterndiagram XY-plane 4 XZ-plane YZ-plane

Test Report

ShenzhenNTTTestingTechnologyCo.,Ltd.ReportNo.:SZNTT26029449E1-1 SZNTT-TR838-0Tel:0755-27889935Web:http://www.ntt-testing.comPage1of31 TESTREPORT Applicant:WirelessExpressInc. Address:137-1ExpressStreet,Plainview,NewYork11803,UnitedStates Manufacturer:KovozElectronicProductsLimited Address: No.8791,BuildingD,ChuangyiIndustryPark,331YintianIndustrial Zone,YantianCommunity,XixiangStreet,BaoanDistrict,Shenzhen, Guangdong,China ProductName:Guitarspeakerwithdualmicset ModelNumber: SA2GUITARBLK,SA2GUITARPK,SA2GUITARWHT, SA2GUITARBLU,SAGUITARWHT,SAGUITARBLK,SA2GUITAR01, SA2GUITAR02,SA2GUITAR03,SA2GUITAR04,SA2GUITAR05 Trademark:N/A FCCID:2BXHQ-SA2GUITARBLK TestDate: Jul.16,2026–Sept.07,2026 DateofReport: Sept.08,2026 TestResult: ThisdevicedescribedabovehasbeentestedbyNTT,andthetest resultsshowthattheequipmentundertest(EUT)isincompliance withtheStandardrequirements.Anditisapplicableonlytothetested sampleidentifiedinthereport. TestProcedureUsed: Standards:FCCCFRTitle47Part15SubpartCSection15.247 ANSIC63.10-2020+Cor.1-2023+C63.10a-2024+Erratato C63.10a-2024 KDB558074D0115.247MeasGuidancev05r02 Preparedby(TestEngineer): CindyQin Reviewer(Supervisor): KenWu Approved(Manager): AbelYu ShenzhenNTTTestingTechnologyCo.,Ltd.ReportNo.:SZNTT26029449E1-1 SZNTT-TR838-0Tel:0755-27889935Web:http://www.ntt-testing.comPage2of31 TABLEOFCONTENT 1.GeneralInformation......................................................................................5 1.1.DescriptionofDevice(EUT).......................................................................................................................5 1.2.ChannelList..................................................................................................................................................5 1.3.Summaryoftestresult................................................................................................................................6 1.4.SpecialAccessoriesandAuxiliaryEquipment........................................................................................6 1.5.Testmode......................................................................................................................................................6 1.6.Testconfiguration.........................................................................................................................................6 1.7.BlockDiagram...............................................................................................................................................7 1.8.TestConditions.............................................................................................................................................7 1.9.MeasurementUncertainty(95%confidencelevels,k=2)......................................................................8 1.10.TestFacility..................................................................................................................................................8 1.11.TestEquipment...........................................................................................................................................9 2.Conductedemissionatthemainsterminalstest....................................11 2.1.Limit..............................................................................................................................................................11 2.2.TestSetup....................................................................................................................................................11 2.3.TestProcedure............................................................................................................................................11 2.4.TestResult..................................................................................................................................................12 3.RadiatedSpuriousEmissions...................................................................14 3.1.Limit..............................................................................................................................................................14 3.2.TestSetup....................................................................................................................................................15 3.3.TestProcedure............................................................................................................................................17 3.4.TestResult...................................................................................................................................................18 4.MaximumPeakOutputPower....................................................................24 4.1.Limit..............................................................................................................................................................24 4.2.TestSetup....................................................................................................................................................24 4.3.TestProcedure............................................................................................................................................24 4.4.TestResult...................................................................................................................................................24 5.-20dBBandwidthMeasurement...............................................................25 5.1.Limit..............................................................................................................................................................25 5.2.TestSetup....................................................................................................................................................25 5.3.TestProcedure............................................................................................................................................25 5.4.TestResult.................…

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Test Report

Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page1of71 RF Test Data Duty Cycle........................................................................................................................................................................ 2 Maximum Peak Conducted Output Power.......................................................................................................................8 -20dB Bandwidth............................................................................................................................................................14 Occupied Channel Bandwidth........................................................................................................................................20 Carrier Frequencies Separation.....................................................................................................................................26 Number of Hopping Channel..........................................................................................................................................32 Band Edge......................................................................................................................................................................38 Band Edge(Hopping)......................................................................................................................................................45 Conducted RF Spurious Emission................................................................................................................................. 52 Dwell Time......................................................................................................................................................................62 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page2of71 Duty Cycle ConditionModeFrequency (MHz)AntennaDuty Cycle (%)Correction Factor (dB)1/T (kHz) NVNT 1-DH12402Ant132.444.892.47 NVNT 1-DH12441Ant132.444.892.47 NVNT 1-DH12480Ant132.444.892.47 NVNT 2-DH12402Ant133.234.792.41 NVNT 2-DH12441Ant133.234.792.41 NVNT 2-DH12480Ant133.244.782.41 NVNT 3-DH12402Ant133.234.792.41 NVNT 3-DH12441Ant133.244.782.41 NVNT 3-DH12480Ant133.244.782.41 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page3of71 Duty Cycle NVNT 1-DH1 2402MHz Ant1 Duty Cycle NVNT 1-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page4of71 Duty Cycle NVNT 1-DH1 2480MHz Ant1 Duty Cycle NVNT 2-DH1 2402MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page5of71 Duty Cycle NVNT 2-DH1 2441MHz Ant1 Duty Cycle NVNT 2-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page6of71 Duty Cycle NVNT 3-DH1 2402MHz Ant1 Duty Cycle NVNT 3-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page7of71 Duty Cycle NVNT 3-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page8of71 Maximum Peak Conducted Output Power ConditionModeFrequency (MHz) AntennaConducted Power (dBm) Conducted Power (W) Limit Conducted(dBm) Verdict NVNT 1-DH12402Ant12.070.0016121Pass NVNT 1-DH12441Ant12.470.0017721Pass NVNT 1-DH12480Ant12.680.0018521Pass NVNT 2-DH12402Ant12.120.0016321Pass NVNT 2-DH12441Ant12.520.0017921Pass NVNT 2-DH12480Ant12.70.0018621Pass NVNT 3-DH12402Ant12.130.0016321Pass NVNT 3-DH12441Ant12.540.0017921Pass NVNT 3-DH12480Ant12.710.0018721Pass Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page9of71 Peak Power NVNT 1-DH1 2402MHz Ant1 Peak Power NVNT 1-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page10of71 Peak Power NVNT 1-DH1 2480MHz Ant1 Peak Power NVNT 2-DH1 2402MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page11of71 Peak Power NVNT 2-DH1 2441MHz Ant1 Peak Power NVNT 2-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page12of71 Peak Power NVNT 3-DH1 2402MHz Ant1 Peak Power NVNT 3-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page13of71 Peak Power NVNT 3-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page14of71 -20dB Bandwidth ConditionModeFrequency (MHz) Antenna-20 dB Bandwidth (MHz) Verdict NVNT 1-DH12402Ant10.7217Pass NVNT 1-DH12441Ant10.7182Pass NVNT 1-DH12480Ant10.7193Pass NVNT 2-DH12402Ant11.109Pass NVNT 2-DH12441Ant11.134Pass NVNT 2-DH12480Ant11.122Pass NVNT 3-DH12402Ant11.097Pass NVNT 3-DH12441Ant11.098Pass NVNT 3-DH12480Ant11.098Pass Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page15of71 -20dB Bandwidth NVNT 1-DH1 2402MHz Ant1 -20dB Bandwidth NVNT 1-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page16of71 -20dB Bandwidth NVNT 1-DH1 2480MHz Ant1 -20dB Bandwidth NVNT 2-DH1 2402MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page17of71 -20dB Bandwidth NVNT 2-DH1 2441MHz Ant1 -20dB Bandwidth NVNT 2-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page18of71 -20dB Bandwidth NVNT 3-DH1 2402MHz Ant1 -20dB Bandwidth NVNT 3-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page19of71 -20dB Bandwidth NVNT 3-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page20of71 Occupied Channel Bandwidth ConditionModeFrequency (MHz)Antenna99% OBW (MHz) NVNT1-DH12402Ant10.74275 NVNT1-DH12441Ant10.77106 NVNT1-DH12480Ant10.76493 NVNT2-DH12402Ant11.01 NVNT2-DH12441Ant11.0531 NVNT2-DH12480Ant11.0601 NVNT3-DH12402Ant11.0418 NVNT3-DH12441Ant11.0383 NVNT3-DH12480Ant11.02 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page21of71 OBW NVNT 1-DH1 2402MHz Ant1 OBW NVNT 1-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page22of71 OBW NVNT 1-DH1 2480MHz Ant1 OBW NVNT 2-DH1 2402MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page23of71 OBW NVNT 2-DH1 2441MHz Ant1 OBW NVNT 2-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page24of71 OBW NVNT 3-DH1 2402MHz Ant1 OBW NVNT 3-DH1 2441MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page25of71 OBW NVNT 3-DH1 2480MHz Ant1 Report No.: SZNTT26029449E1-1 SZNTT-TR728-0Page26of71 Carrier Frequencies Separation ConditionModeAntennaHopping Freq1 (MHz) Hopping Freq2 (MHz) HFS (MHz) Limit (MHz) Verdict NVNT 1-DH1 Ant12401.8922402.89210.481Pass NVNT 1-DH1 An…

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