2BSUD-PRA-WTX1Wireless Microphone Transceiver

Wireless Microphone Transceiver

ProAcoustics.LLC 6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates AttestationStatements NotCoveredEntityApplicant&NotCoveredEquipment To:FederalCommunicationsCommissionDate:Nov.21,25 7435OaklandMillsRoad, Columbia,MD21046,USA Ref:InformationRequiredbySection2.911(d)(5)(i)&(ii) FCCID:2BSUD-PRA-WTX1 ProAcoustics.LLC(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication,the applicantisnotidentifiedontheCoveredList,establishedpursuantto§1.50002ofreferencechapter, asanentityproducing“covered”communicationequipment.Theequipmentforwhichauthorizationis soughtisnot“covered”telecommunicationsequipmentandvideosurveillanceequipmentproducedby entitiesidentifiedontheCommission’sCoveredListthatprohibitedfromreceivinganequipment authorizationpursuanttosection§2.903oftheFCCrules. Sincerelyyours, ApplicantSignature PrintedName:JasonTao Title:Manager Address:6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates Tel.:1-(254)651-6969 Email:[email protected]

ProAcoustics.LLC 6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates 1|Page AttestationStatements To:FederalCommunicationsCommissionDate:Nov.21,25 7435OaklandMillsRoad, Columbia,MD21046,USA Subject:AttestationofCompliancewithFCCCoveredListSoftwareRequirements FCCID:2BSUD-PRA-WTX1 ProductName:WirelessMicrophoneTransceiver Thisletterservesasanattestationthattheequipmentidentifiedabove☒is/☒isnot(selectone)"covered" softwareasdefinedundertheFederalCommunicationsCommission(FCC)CoveredListrequirements,as outlinedinFCC22-84andKDB986446. Specifically,theundersignedcertifiesthattheequipmentforwhichauthorizationissought: 1.Doesnotcontaincybersecurityoranti-virussoftwareproducedorprovidedbyKasperskyLab, Inc.oranyofitssuccessors,assignees,parents,subsidiaries,affiliates,oranyentitythathasrebranded orrelabeledsoftwareproducedbytheaforementionedentities. 2.Doesnothavethecapabilitytostore,run,ordeliveranysoftwareidentifiedontheFCCCoveredList, includingbutnotlimitedtocybersecurityandanti-virussoftware. Tosupportthisattestation,theappendixevaluationdocumentationhasbeenpreparedandisincludedinthe certificationfiling. Thisattestationisbasedonathoroughevaluationofthedevice'sdesign,functionality,andsoftware environment.Theundersignedaffirmsthattheinformationprovidedisaccurateandcompletetothebestof theirknowledge. Sincerelyyours, ApplicantSignature PrintedName:JasonTao Title:Manager Address:6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates Tel.:1-(254)651-6969 Email:[email protected] ProAcoustics.LLC 6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates 2|Page EvaluationregardingtotheCoveredListSoftware: Compliance Methodology EvaluationProcessResults Deviceis Inherent compliance ☒ TheChipset(s)usedislimitedtorun theCybersecurityoranti-virus software. Compliance ☒ TheMemoryusedislimitedtorunthe Cybersecurityoranti-virussoftware. Compliance ☒ Thereisstoragecapacitylimitationfor storeorinstalltheCybersecurityor anti-virussoftware. Compliance ☒ Operatingsystemusedislimitedto run,installordelivertheCybersecurity oranti-virussoftware. Compliance Deviceisnot Inherent compliance ☐ EvaluationBasedonSoftware BillofMaterials(SBoM) ☐ EvaluationBasedonScanfor Softwareonthedevice ☐ EvaluationBasedonFilesystemscan ☐ EvaluationBasedonRunning softwarecheck

ProAcoustics.LLC 6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates U.S.AgentLetterofAttestation To:FederalCommunicationsCommission 7435OaklandMillsRoad,Columbia,MD21046,USA Date:Nov.21,25 Ref: AttestationStatement–Part 2.911(d)(7)filing FCCID:2BSUD-PRA-WTX1 ProAcoustics.LLC(“theapplicant”)certifiesthat,asofthedateofthefilingoftheapplication, [LOBOSIOWAINC](“theagent”)isourdesignatedU.S.agentforserviceofprocessfortheabove referenceFCCID.TheapplicantacceptstomaintainanagentforserviceofprocessintheUnited Statesfornolessthanoneyearaftereitherthegranteehaspermanentlyterminatedallmarketing andimportationoftheapplicableequipmentwithintheU.S.,ortheconclusionofanyCommission- relatedadministrativeorjudicialproceedinginvolvingtheequipment,whicheverislater.The applicantfurtheracknowledgesitisourresponsibilitytoinformtheFCCwhenevertheagent informationchanges. [LOBOSIOWAINC]("theagent)understanditistheagent'sobligationtoacceptserviceofprocess intheUnitedStatesformattersrelatedtotheapplicableequipment,andatthephysicalU.S. addressandemailaddress. DesignatedU.S.Agent CompanyName:LOBOSIOWAINC FRN:0036413961 Address:4623BittercreekDrColoradoSpringsco 80922Us Signature: ContactPerson:HarleyLi Tel:(818)818-0583Email:[email protected] Applicant CompanyName:ProAcoustics.LLC Address:6612WoodwayDRBldg2Ste1Woodway, TX76712,UnitedStates Signature: ContactPerson:JasonTao Tel:1-(254)651-6969Email:[email protected]

ProAcoustics.LLC 6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates Nov.21,25 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestfor:FCCID:2BSUD-PRA-WTX1 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestpermanent confidentialtreatmentoftheexhibitsaccompanyingthiscertificationapplicationasoutlinedbelow:  BlockDiagram Schematics  OperationalDescription PartList Theaboveexhibitscontaintradesecretsand/orproprietaryinformationthatarenotpubliclyavailableand materialsthattheApplicanthasspentconsiderableeffortsindeveloping.Publicdisclosureofthesemay beharmfultotheApplicantandgiveanunfairadvantagetocompetitorsonthemarket. PursuanttoDA04-1705,theapplicantalsorequeststemporaryconfidentialtreatmentoftheexhibits outlinedbelowforaperiodof()daysfromthedateofequipmentauthorizationandpriortomarketingin theUnitedStatestopreventtheprematurereleaseofanysensitiveinformation.Applicantisawareof theirresponsibilitytonotifyDERYCOMintheeventinformationregardingtheproductortheproductis madeavailabletothepublicbeforetherequestedperiodhasexpired. Sincerely, (Signature) PrintedName:JasonTao Title:Manager Address:6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates Tel.:1-(254)651-6969 Email:[email protected]

ProAcoustics.LLC 6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates Nov.21,25 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorizationforFCCID:2BSUD-PRA-WTX1 I,theundersigned,herebyauthorize(FluxComplianceServiceLaboratory)toactonourbehalfinall mattersrelatingtothisapplicationforequipmentcertification. Anyactcarriedoutby(FluxComplianceServiceLaboratory)shallhavethesameeffectasourownandI acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsofcertification,as specifiedbyDERYCOMCERTIFICATIONSERVICES,INC.,stillresideswith(ProAcoustics.LLC). WecertifythatwearenotsubjecttoadenialoffederalbenefitsthatincludesFCCbenefitspursuantto Section5301oftheAnti-DrugAbuseActof1988,21U.S.C.§862,andthatnopartytotheapplication,as definedin47CFR§1.2002(b),issubjecttoadenialoffederalbenefitsthatincludesFCCbenefits pursuanttothatsection. Sincerely, (Signature) PrintedName:JasonTao Title:Manager Address:6612WoodwayDRBldg2Ste1Woodway,TX76712,UnitedStates Tel.:1-(254)651-6969 Fax:1-(254)651-6969 Email:[email protected]

ProAcoustics.LLC ProductSimilarityDeclaration EUTDescription:Wirelessmicrophone ModelNo.:PRA-WTX1 SeriesModel:T8,T8pro,T12,T16 FCCID:N/A We(ProAcoustics.LLC)herebystatethatallthemodelsare electricalidenticalincludingthesamesoftwareparameterand hardwaredesign(i.e.,circuitdesign,PCBLayout,RF module/circuit,antennatype(s)andantennalocation,components onPCB,etc.,),samemechanicalstructureanddesign(including productenclosure,materials,etc.,),theonlydifferenceisthe modelnameandcolour. Signature: Name:JasonTao Title:Manager Place,date:June.17,2025

Page1of4ReportNo.:FCS202509525 Externalphotos Photo1 Photo2 Page2of4ReportNo.:FCS202509525 Photo3 Photo4 Page3of4ReportNo.:FCS202509525 Photo5 Photo6 Page4of4ReportNo.:FCS202509525 Photo7

LabelandLabelLocation FCCID:2BSUD-PRA-WTX1 L*W:10mm*2mm labelandWhitefont

Page1of3ReportNo.:FCS202508412 Internalphotos Photo1 Photo2 Page2of3ReportNo.:FCS202508412 Photo3 Photo4 Page3of3ReportNo.:FCS202508412 Photo5 ANT Photo6

Page1of1ReportNo.:FCS20259525 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.FCS-lab.com FCCRFExposure EUTDescription:WirelessMicrophoneTransceiver ModelNo.:PRA-WTX1 SeriesModel:T8,T8pro,T12,T16 FCCID:2BSUD-PRA-WTX1 Equipmenttype:PortableDevice 1.TestProcedure AccordingtoKDB447498D01GeneralRFExposureGuidancev06 The1-gand10-gSARtestexclusionthresholdsfor100MHzto6GHzattestseparation distances≤50mmaredeterminedby: [(max.powerofchannel,includingtune-uptolerance,mW)/ (min.testseparationdistance,mm)]·[√f(GHz)]≤3.0for1-gSARand≤7.5for10-gextremity SAR, where f(GHz)istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Thetestexclusionsareapplicableonlywhentheminimumtestseparation distanceis≤50mmandfortransmissionfrequenciesbetween100MHzand6GHz.Whenthe minimumtestseparationdistanceis<5mm,adistanceof5mmisappliedtodetermineSARtest exclusion. 2.TestResultofRFExposureEvaluation MIC Frequency Conductedpower（dBm/mW） 500.00MHz 8.82/7.62 510.00MHz 8.31/6.78 520.00MHz 8.22/6.64 [500MHz,8.82dBm/0.0076W)outputpower] (7.6mW/5mm)*[√0.5GHz)]=1.0748<3.0for1-gSAR Conclusion:NoSARisrequired

Summary ITEMANTSPEC ModelNameSpringantenna ResonateFrequency500-520MHz MAX.Gain0dBi PolarizationUniPolar Impedance50ohm ManufactureShenZhenDepushengElectronicsCO.,LTD 406A-22,Building2,BaolongFactoryArea,AnboTechnology,No. 2,Baolong4thRoad,BaolongCommunity,BaolongStreet, LonggangDistrict,Shenzhen AntennaPhoto&Length(mm) 5.75mm 21.50mm 18.50mm

FCCTestReport ReportNo:FCS202509525W01 Issuedfor Applicant: ProAcoustics.LLC Address: 6612WoodwayDRBldg2Ste1Woodway,TX76712,United States ProductName: WirelessMicrophoneTransceiver BrandName: PureResonanceAudio ModelName: PRA-WTX1 SeriesModel: T8,T8pro,T12,T16 FCCID: 2BSUD-PRA-WTX1 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial, SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com Page2of34ReportNo.:FCS202509525W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:0769-27280901Fax:0769-27280901http://www.fcs-lab.com TESTRESULTCERTIFICATION Applicant’sName ...................... :ProAcoustics.LLC Address ...................................... : 6612WoodwayDRBldg2Ste1Woodway,TX76712,United States Manufacture'sName................:DongguanSminigoTechnologyCo.,Ltd Address......................................: 2ndF,BLD3,Tai'anChengPlaza,No.7LiyuanRoadWei Town,ZhangmutouTown,DongguanCity,Guangdong Province,China ProductDescription ProductName ........................... :WirelessMicrophoneTransceiver BrandName.............................:PureResonanceAudio ModelName..............................:PRA-WTX1 SeriesModel .............................. :T8,T8pro,T12,T16 TestStandards..........................:FCCRulesandRegulationsPart15SubpartCsection15.236 TestProcedure..........................:ANSIC63.10:2020 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsample identifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocument maybealteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. Date(s)ofperformanceoftests.:Sep09,2025~Oct22,2025 DateofIssue.................................:November17,2025 TestResult ..................................... :Pass Testedby: (MikeTan) Reviewedby : (NelsWang) Approvedby: ( JackWang ) Page3of34ReportNo.:FCS202509525W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:0769-27280901Fax:0769-27280901http://www.fcs-lab.com TableofContents Page 1.SUMMARYOFTESTRESULTS..............................................................................................6 1.1TESTFACTORY................................................................................................................7 1.2MEASUREMENTUNCERTAINTY.....................................................................................7 2.GENERALINFORMATION.......................................................................................................8 2.1GENERALDESCRIPTIONOFTHEEUT..........................................................................8 2.2DESCRIPTIONOFTHETESTMODES..........................................................................10 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS.................11 2.4EQUIPMENTSLIST.........................................................................................................12 3.CONDUCTEDEMISSIONMEASUREMENT.........................................................................13 3.2TESTPROCEDURE........................................................................................................13 3.3TESTSETUP...................................................................................................................14 3.4TESTRESULTS...............................................................................................................15 4MAXIMUMRADIATEDPOWER..............................................................................................17 4.1LIMIT................................................................................................................................17 4.2TESTPROCEDURE........................................................................................................17 3.3TESTSETUP...................................................................................................................17 4.4TESTRESULTS...............................................................................................................17 5.OCCUPIEDBANDWIDTH......................................................................................................18 5.1LIMIT......................................................................................................................................18 5.2TESTPROCEDURE........................................................................................................18 5.3TESTSETUP...................................................................................................................18 5.4TESTRESULTS...............................................................................................................19 6.NECESSARYBANDWITH.......................................................................................................20 6.1LIMIT................................................................................................................................20 6.2TESTPROCEDURE........................................................................................................20 6.3TESTSETUP...................................................................................................................20 6.4TESTRESULT.................................................................................................................21 7.TRANSMITTERUNWANTEDEMISSIONS...........................................................................22 7.1LIMIT................................................................................................................................22 7.2TESTPROCEDURE..........................................................................................…

Text truncated - open the document above for the full version.

Page1of2ReportNo.:FCS202509525 RE Page2of2ReportNo.:FCS202509525 CE