2ALZL-AAT1000MULTIMEDIA SPEAKER SYSTEM

Page1of1 Declarationonmodeldifference We,GOLDWOODSOUND,INC.,theundersignedherebyconfirmthat thesemodelsareidentical,andallmodelshavethesameRFmoduleand Antenna,exceptforcolorofenclosureandmodelNo.fortradingpurpose. ProductnameMULTIMEDIASPEAKERSYSTEM ModelNo.AAT1000,AAT3003,AAT2002,AAT4004,H7921,H8801,H8802 TradenameN/A FCCID2ALZL-AAT1000 INPUTAC110V60Hz,200mA Confirmedby: Client’ssignature: Client’sname/title:MartyBloom/GeneralManager Date:2022-06-29

C5266091_X8_Ed.1 1/1 LetterofAuthorization GOLDWOODSOUND,INC. Company:GOLDWOODSOUND,INC. Address:9333OsoAve.CHATSWORTH,CA91311 ProductName:MULTIMEDIASPEAKERSYSTEM ModelNumber:AAT1000,AAT3003,AAT2002,AAT4004,H7921, H8801,H8802 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:MartyBloomDate:2022-06-29 Title:GeneralManager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 GOLDWOODSOUND,INC. OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:2022-06-29 Subject:RequestforConfidentiality FCCID:2ALZL-AAT1000 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodofdaysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. Sincerely, C5266091_X10_Ed.2 1/1 Signature: Name:MartyBloom Title:GeneralManager

ANT

ReportNo.:PTC22041902301E-FC02 Page 1 of 7 FCCTESTREPORT FCCID:2ALZL-AAT1000 Product: MULTIMEDIASPEAKERSYSTEM ModelName: AAT1000,AAT3003,AAT2002,AAT4004,H7921,H8801,H8802 Brand: N/A ReportNo.: PTC22041902301E-FC02 Preparedfor GOLDWOODSOUND,INC. 9333OsoAve.CHATSWORTH,CA91311 Preparedby PreciseTesting&CertificationCo.,Ltd Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC22041902301E-FC02 Page 2 of 7 TESTRESULTCERTIFICATION Applicant’sname:GOLDWOODSOUND,INC. Address:9333OsoAve.CHATSWORTH,CA91311 Manufacture'sname:ShenzhenCityEnkorElectronicsLtd Address: the2nd&3rdfloor,BuildingPandbuildingQ,Shengguang Ind.park,152#DonghuanRoad,HuangpuXinqiaostreet,Bao'an District,Shenzhen,China. Productname:MULTIMEDIASPEAKERSYSTEM Modelname:AAT1000,AAT3003,AAT2002,AAT4004,H7921,H8801,H8802 Testprocedure:KDB447498D01GeneralRFExposureGuidancev06 TestDate:May.17,2022toJul.08,2022 DateofIssue:Jul.08,2022 TestResult:PASS ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlyto thetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,thisdocument maybealteredorrevisedbyPTC,personalonly,andshallbenotedintherevisionofthedocument. TestEngineer: SimonPu/Engineer TechnicalManager: RonnieLiu/Manager ReportNo.:PTC22041902301E-FC02 Page 3 of 7 Contents Page 2TESTSUMMARY...............................................................................................................................................4 3GENERALINFORMATION..............................................................................................................................5 3.1GENERALDESCRIPTIONOFE.U.T..........................................................................................................5 4RFEXPOSURE..................................................................................................................................................6 4.1REQUIREMENTS........................................................................................................................................6 4.2THEPROCEDURES/LIMIT........................................................................................................................6 4.3MPECALCULATIONMETHOD..................................................................................................................7 4.4TESTRESULT...........................................................................................................................................7 ReportNo.:PTC22041902301E-FC02 Page 4 of 7 2TestSummary TestItemsTestRequirementResult MaximumPermissibleExposure (ExposureofHumanstoRFFields) 1.1307(b)(1)PASS Remark: N/A:NotApplicable ReportNo.:PTC22041902301E-FC02 Page 5 of 7 3GeneralInformation 3.1GeneralDescriptionofE.U.T. ProductName : MULTIMEDIASPEAKERSYSTEM ModelName:AAT1000 Additionalmodel : AAT3003,AAT2002,AAT4004,H7921,H8801,H8802 Specification : BT5.0BDR+EDR OperationFrequency : 2402-2480MHz NumberofChannel : 79channelsforBDR+EDR TypeofModulation :GFSK,Π/4-DQPSKForDSS Antennainstallation : PCBantenna AntennaGain : -0.68dBi RatedPowerSupply : AC110V/60Hz TestPowerSupply : AC110V/60Hz HardwareVersion : N/A SoftwareVersion : N/A ReportNo.:PTC22041902301E-FC02 Page 6 of 7 4RFExposure TestRequirement :FCCPart1.1307(b)(1) EvaluationMethod :FCCPart2.1091 4.1Requirements Systemsoperatingundertheprovisionsofthissectionshallbeoperatedinamannerthatensuresthat thepublicisnotexposedtoradiofrequencyenergylevelsinexcesslimitformaximumpermissible exposure.Inaccordancewith47CFRFCCPart2SubpartJ,section2.1091thisdevicehasbeen definedasamobiledevicewherebyadistanceof0.2mnormallycanbemaintainedbetweentheuser andthedevice. 4.2Theprocedures/limit (A)LimitsforOccupational/ControlledExposure FrequencyRangeElectricFieldMagneticFieldPowerDensity(S)AveragingTime 0.3-3.06141.63(100)*6 3.0-301842/f4.89/f(900/f)*6 30-30061.40.1631.06 300-1500F/3006 1500-100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure FrequencyRangeElectricFieldMagneticFieldPowerDensity(S)AveragingTime 0.3-1.346141.63(100)*30 1.34-30824/f2.19/f(180/f)*30 30-30027.50.0730.230 300-1500F/150030 1500-100,0001.030 Note:f=frequencyinMHz;*Plane-waveequivalentpowerdensity ReportNo.:PTC22041902301E-FC02 Page 7 of 7 4.3MPECalculationMethod E(V/m)＝ d GP30 PowerDensity:Pd(W/m²)＝ 377 2 E E＝Electricfield(V/m) P ＝ PeakRFoutputpower(W) G＝EUTAntennanumericgain(numeric) d ＝ Separationdistancebetweenradiatorandhumanbody(m) Theformulacanbechangedto Pd＝ 2 377 30 d GP   FromthepeakEUTRFoutputpower,theminimummobileseparationdistance,d=0.2m,aswellas thegainoftheusedantenna,theRFpowerdensitycanbeobtained 4.4TestResult Item Antenna Gain (numeric) Max.Peak OutputPower (dBm) Tuneup tolerance (dBm) MaxTuneUp Power(mW) PowerDensity (mW/cm2) LimitofPower Density (mW/cm2) Result EDR0.86-3.87-3.87±0.50.4602570.0000781Pass ******THEENDREPORT******

ReportNo.:PTC22041902301E-FC01 Page 1 of 71 FCCTESTREPORT FCCID:2ALZL-AAT1000 Product: MULTIMEDIASPEAKERSYSTEM ModelName: AAT1000,AAT3003,AAT2002,AAT4004,H7921,H8801,H8802 Brand: N/A ReportNo.: PTC22041902301E-FC01 Preparedfor GOLDWOODSOUND,INC. 9333OsoAve.CHATSWORTH,CA91311 Preparedby PreciseTesting&CertificationCo.,Ltd. Building1,No.6,TongxinRoad,DongchengStreet,Dongguan,Guangdong,China ReportNo.:PTC22041902301E-FC01 Page 2 of 71 1TESTRESULTCERTIFICATION Applicant’sname:GOLDWOODSOUND,INC. Address:9333OsoAve.CHATSWORTH,CA91311 Manufacture'sname:ShenzhenCityEnkorElectronicsLtd Address: the2nd&3rdfloor,BuildingPandbuildingQ,Shengguang Ind.park,152#DonghuanRoad,HuangpuXinqiaostreet,Bao'an District,Shenzhen,China. Productname:MULTIMEDIASPEAKERSYSTEM Modelname:AAT1000,AAT3003,AAT2002,AAT4004,H7921,H8801,H8802 Standards:FCCCFR47Part15Section15.247 Testprocedure:ANSIC63.10:2013 TestDate:May.17,2022toJul.08,2022 DateofIssue:Jul.08,2022 TestResult:Pass ThisdevicedescribedabovehasbeentestedbyPTC,andthetestresultsshowthatthe equipmentundertest(EUT)isincompliancewiththeFCCrequirements.Anditisapplicable onlytothetestedsampleidentifiedinthereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofPTC,this documentmaybealteredorrevisedbyPTC,personalonly,andshallbenotedintherevision ofthedocument. TestEngineer: SimonPu/Engineer TechnicalManager: RonnieLiu/Manager ReportNo.:PTC22041902301E-FC01 Page 3 of 71 Contents Page 1TESTRESULTCERTIFICATION...............................................................................................................................2 2TESTSUMMARY..........................................................................................................................................................5 3TESTFACILITY.............................................................................................................................................................5 4GENERALINFORMATION..........................................................................................................................................6 4.1GENERALDESCRIPTIONOFE.U.T.....................................................................................................................6 4.2TESTMODE.........................................................................................................................................................7 5EQUIPMENTDURINGTEST......................................................................................................................................9 5.1EQUIPMENTSLIST...............................................................................................................................................9 5.2MEASUREMENTUNCERTAINTY.........................................................................................................................11 5.3DESCRIPTIONOFSUPPORTUNITS...................................................................................................................12 6CONDUCTEDEMISSION..........................................................................................................................................13 6.1E.U.T.OPERATION............................................................................................................................................13 6.2EUTSETUP.......................................................................................................................................................13 6.3TESTSET-UP(BLOCKDIAGRAMOFCONFIGURATION).................................................................................14 6.4MEASUREMENTPROCEDURE:...........................................................................................................................14 6.5CONDUCTEDEMISSIONLIMIT...........................................................................................................................14 6.6MEASUREMENTDESCRIPTION..........................................................................................................................14 6.7CONDUCTEDEMISSIONTESTRESULT.............................................................................................................14 7RADIATEDSPURIOUSEMISSIONS......................................................................................................................17 7.1EUTOPERATION...............................................................................................................................................17 7.2TESTSETUP......................................................................................................................................................18 7.3SPECTRUMANALYZERSETUP..........................................................................................................................19 7.4TESTPROCEDURE.............................................................................................................................................20 7.5SUMMARYOFTESTRESULTS...........................................................................................................................21 8MAXIMUMPEAKOUTPUTPOWERTEST............................................................................................................28 8.1TESTSTANDARDANDLIMIT..............................................................................................................................28 8.2TESTSETUP......................................................................................................................................................28 8.3TESTPROCEDURE.............................................................................................................................................28 8.4TESTDATA.........................................................................................................................................................29 ReportNo.:PTC22041902301E-FC01 Page 4 of 71 920DBOCCUPYB…

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ConductedEmissions RadiatedEmissions From30MHz-1000MHz TestfrequencyfromAbove1GHz