2A56G-K66PLUSMAXUTV Sound Bar

FCCWarning: Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwo conditions: (1)Thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptany interferencereceived,includinginterferencethatmaycauseunde-siredoperation. AnyChangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliance couldvoidtheuser'sauthoritytooperatetheequipment.Note:Thisequipmenthasbeentested andfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttopart15oftheFCC Rules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferencein aresidentialinstallation.Thisequipmentgeneratesusesandcanradiateradiofrequencyenergy and,ifnotinstalledandusedinaccordancewiththeinstruc-tions,maycauseharmful interferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnot occurinaparticularinstalla-tion.Ifthisequipmentdoescauseharmfulinterferencetoradioor televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuser isencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures: -Reorientorrelocatethereceivingantenna. -Increasetheseparationbetweentheequipmentandreceiver. -Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. -Consultthedealeroranexperiencedradio/TVtechnicianforhelp. RFExposure ThisequipmentcomplieswithFCCradiationexposurelimitssetforthforanuncontrolled environment. Thisequipmentshouldbeinstalledandoperatedwithaminimumdistanceof20cmbetweenthe radiator&yourbody.

Local Representative Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2A56G-K66PLUSMAX K66PLUS-MAX,K66PLUS,K66ULTRA,K66MAX We hereby acknowledge as follows: i. both signees confirm that the point of contact accepts responsibility to act as a US- American Representative on behalf of the applicant ii. the point of contact provides the physical U.S. address and email as listed below iii. both parties maintain the requirements of this agreement for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. iv. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. US-American Point of Contact Applicant/Approval Holder Signature Date: 2026/01/15 Signature Date: 2026/01/15 Company Name: HOORAY INDUSTRY LLC Jiangmen City Heliansheng Electronic Co., Ltd FRN: 0033926106 0032193476 Contact Name: Cindy Wu Jun Kuang Ying Address: 1408 Pinon Place Fullerton, CA 92835 United States No.12-101 Yangjing Garden Pengjiang Dist. Jiangmen City, Guangdong, China Phone: (626) 910-5808 13025840960 Email: [email protected] [email protected]

FCC ID: 2A56G-K66PLUSMAX Product Name:UTV Sound Bar Test Model: K66PLUS-MAX Series model:K66PLUS-MAX,K66PLUS,K66ULTRA,K66MAX All models are electrically identical (i.e., in terms of circuit design, layout of printed circuit boards, radio frequency modules/circuits, antenna types and positions, components on the printed circuit boards, etc.), and have the same mechanical structure and design. The difference lies in the product model, color. Jiangmen City Heliansheng Electronic Co., Ltd Contact Name:Jun Kuang Ying Jan. 15, 2026 ProductName:WirelessMeatThermometer ModelNumber:BQ5S,BBQ6,BBQ7,BBQ8,BBQ9,BBQ10 BQ5SBBQ6 BBQ7BBQ8 BBQ9BBQ10

ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.: DLE-251218041R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 1 of 4 EUTPhoto ProductName:UTVSoundBar ModelNo.: K66PLUS-MAX ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.: DLE-251218041R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 2 of 4 ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.: DLE-251218041R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 3 of 4 ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.: DLE-251218041R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 4 of 4 ※※※※※ENDOFREPORT※※※※※

Label SIZE:L*W=80mm*50mm LabelLocation Productname: UTVSoundBar Model:K66PLUS-MAX FCCID:2A56G-K66PLUSMAX MadeinChina

Shenzhen DLTesting Technology Co., Ltd.Report No.: DLE-251218041R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 1 of 7 EUT Photo Product Name:UTV Sound Bar Model No.: K66PLUS-MAX Shenzhen DLTesting Technology Co., Ltd.Report No.: DLE-251218041R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 2 of 7 Shenzhen DLTesting Technology Co., Ltd.Report No.: DLE-251218041R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 3 of 7 Shenzhen DLTesting Technology Co., Ltd.Report No.: DLE-251218041R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 4 of 7 Shenzhen DLTesting Technology Co., Ltd.Report No.: DLE-251218041R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 5 of 7 Integrated antenna Shenzhen DLTesting Technology Co., Ltd.Report No.: DLE-251218041R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 6 of 7 Shenzhen DLTesting Technology Co., Ltd.Report No.: DLE-251218041R Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 7 of 7 ※※※※※END OF REPORT※※※※※

ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251218041R-3 TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] RFExposureEvaluation FCCID: 2A56G-K66PLUSMAX Applicant:JiangmenCityHelianshengElectronicCo.,Ltd Address:No.12-101YangjingGardenPengjiangDist.JiangmenCity,Guangdong,China Manufacturer:JiangmenCityHelianshengElectronicCo.,Ltd Address:No.12-101YangjingGardenPengjiangDist.JiangmenCity,Guangdong,China EUT:UTVSoundBar TradeMark:Kspeaker ModelNumber:K66PLUS-MAX,K66PLUS,K66ULTRA,K66MAX DateofReceipt:Dec.05,2025 TestDate:Dec.06,2025-Jan.08,2026 DateofReport:Jan.08,2026 PreparedBy:ShenzhenDLTestingTechnologyCo.,Ltd. Address: 101-201,BuildingC,Shuanghuan,No.8,BaoqingRoad,BaolongIndustrialZone, BaolongStreet,LonggangDistrict,Shenzhen,Guangdong,China ApplicableStandards: 47CFR§1.1310,47CFR§1.1307 FCCCFR47part22.1091 KDB447498D01GeneralRFExposureGuidancev06 TestResult: Pass ReportNumber: DLE-251218041R-3 Prepared(TestEngineer):AlisaSong Reviewer(Supervisor):JackBu Approved(Manager):JadeYang Thistestreportisbasedonasingleevaluationofonesampleofabovementionedproducts.Itisnotpermittedto beduplicatedinextractswithoutwrittenapprovalofShenzhenDLTestingTechnologyCo.,Ltd. ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251218041R-3 TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] TableofContents 1.ProductInformation.........................................................................................................3 2.Testlaboratoryinformation..............................................................................................4 3.MEASUREMENTUNCERTAINTY..................................................................................4 4.METHODOFMEASUREMENT......................................................................................5 4.1APPLICABLESTANDARD.....................................................................................5 4.2Limits......................................................................................................................5 EVALUATIONRESULTS....................................................................................................6 ShenzhenDL TestingTechnologyCo., Ltd.ReportNo.: DLE-251218041R-3 Test ReportTel: 400-688-3552Web:www.dl-cert.comEmai l: [email protected] of 6 1. ProductInformation ProductName: UTV SoundBar Trademark K speaker ModelNo.: K66PLUS-MAX,K66PLUS,K66ULTRA,K66MAX ModelDifference: All modelsare electricallyidentical(i.e.,in termsof circuitdesign, layoutof printedcircuitboards,radiofrequencymodules/circuits, antennatypesand positions,componentson the printedcircuit boards,etc.),and havethe samemechanicalstructureand design. The differencelies in the productmodel,color. Powersupply:DC 12V SampleNumber:DLE-251218041R-3 BLE OperationFrequency: 2402~2480MHz Channelnumbers: 40 Channels Channelseparation: 1M Modulationtechnology: GFSK AntennaType: Integratantenna Antennagain: -0.58dBi EDR OperationFrequency: 2402~2480MHz Channelnumbers: 79 Channels Channelseparation: 1/2/3 M Modulationtechnology: GFSK,π/4 DQPSK,8DPSK AntennaType: Integratantenna Antennagain: -0.58dBi Note: 1.Fora moredetailedfeaturesdescription,pleasereferto the manufacturer’s specificationsor the User's Manual. 2.TheEUT ’s all informationprovidedby client. ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251218041R-3 TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 2.Testlaboratoryinformation TestLab:ShenzhenDLTestingTechnologyCo.,Ltd. Address: 101-201,BuildingC,Shuanghuan,No.8,BaoqingRoad,Baolong IndustrialZone,BaolongStreet,LonggangDistrict,Shenzhen, Guangdong,China FCCTestFirmRegistration Number: 854456 DesignationNumber:CN1307 ICRegisteredNo.:27485 CABID.:CN0118 3.MEASUREMENTUNCERTAINTY Thereporteduncertaintyofmeasurementy±U,whereexpendeduncertaintyUisbasedona standarduncertaintymultipliedbyacoveragefactorofk=2，providingalevelofconfidenceof approximately95%。 No.ItemUncertainty 1ConductedEmissionTest±2.56dB 2RFpower,conducted±0.42dB 3Spuriousemissions,conducted±2.76dB 4Allemissions,radiated(<1G)±3.65dB 5Allemissions,radiated(>1G)±4.89dB 6Temperature±0.5°C 7Humidity±2% 86dBBandwidth±0.2MHz 9PowerSpectralDensity±2.45dBm ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251218041R-3 TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 4.METHODOFMEASUREMENT 4.1APPLICABLESTANDARD ANSIC95.1–1999:IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequency ElectromagneticFields,3kHzto300GHz. FCCKDB447498D01GeneralRFExposureGuidancev06:MobileandPortableDevice,RFExposure, EquipmentAuthorizationProcedures. FCCCFR47part11.1310:Radiofrequencyradiationexposurelimits FCCCFR47part22.1091:Radiofrequencyradiationexposureevaluation:mobiledevices Thecriterialistedinthefollowingtableshallbeusedtoevaluatetheenvironmentimpactofhumanexposure toradiofrequency(RF)radiationasspecifiedin1.1307(b) 4.2LIMITS Frequencyrange (MHz) Electricfield strength (V/m) Magneticfieldstrength (A/m) Powerdensity (mW/cm 2 ) Averagingtime (minutes) (A)LimitsforOccupational/ControlledExposures 0.3–3.06141.63*(100)6 3.0–301842/f4.89/f*(900/f 2 )6 30–30061.40.1631.06 300–1500f/3006 1500–100,00056 (B)LimitsforGeneralPopulation/UncontrolledExposure 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f 2 )30 30–30027.50.0730.230 300–1500f/150030 1500–100,0001.030 f=frequencyinMHz Friistransmissionformula:Pd=(Pout*G)/(4*pi*r2) Where Pd=powerdensityinmW/cm2,Pout=outputpowertoantennainmW; G=gainofantennainlinearscale,Pi=3.1416; R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. Shenzhen DL Testing Technology Co., Ltd.Report No.: DLE-251218041R-3 Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] 6 of 6 Test Procedure Software provided by client enabled the EUT to transmit and …

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26-0.76-0.58-5.25-2.46-1.86 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture Jiangmen City Heliansheng Electronic Co., Ltd Antenna Photo & Length (mm) Jiangmen City Heliansheng Electronic Co., Ltd Jiangmen City Heliansheng Electronic Co., Ltd No.12-101 Yangjing Garden Pengjiang Dist. Jiangmen City, Guangdong, China Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain (dB) Frequency (MHz) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain (dB) Frequency (MHz) MaxMinAvg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

1 RFTestData For ProjectNo.:DLE-251218041R-1 Client: JiangmenCityHelianshengElectronicCo.,Ltd Manufacturer: JiangmenCityHelianshengElectronicCo.,Ltd ProductDescription: UTVSoundBar ModelNumber:K66PLUS-MAX TestEngineer: AlisaSong TestDate:2025-12-17 TestSummary ItemResult DutyCyclePass BandwidthPass MaximumConductedOutputPowerPass CarrierFrequencySeparationPass NumberofHoppingFrequenciesPass TimeofOccupancy(DwellTime)Pass UnwantedEmissionsInNon-restrictedFrequencyBandsPass 2 1.DutyCycle 1.1TestResult 1.1.1Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type T_on (ms) Period (ms) DutyCycle (%) DutyCycle CorrectionFactor(dB) Max.DC Variation(%) GFSKSISO 2402DH52.8873.75076.991.140.03 2441DH52.8883.75077.011.130.03 2480DH52.8863.74976.981.140.03 Pi/4DQPSKSISO 24022DH52.8933.74977.171.130.01 24412DH52.8943.75177.151.130.04 24802DH52.8933.74977.171.130.01 8DPSKSISO 24023DH52.8953.75077.201.120.04 24413DH52.8953.74977.221.120.01 24803DH52.8953.75077.201.120.03 3 1.2TestGraph 1.2.1Ant1 GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 4 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 5 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 6 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 7 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 8 2.Bandwidth 2.1TestResult 2.1.1OBW Mode TX Type Frequency (MHz) Packet Type ANT 99%OccupiedBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.881/Pass 2441DH510.891/Pass 2480DH510.904/Pass Pi/4DQPSKSISO 24022DH511.178/Pass 24412DH511.184/Pass 24802DH511.189/Pass 8DPSKSISO 24023DH511.186/Pass 24413DH511.191/Pass 24803DH511.195/Pass 2.1.220dBBW Mode TX Type Frequency (MHz) Packet Type ANT 20dBBandwidth(MHz) Verdict ResultLimit GFSKSISO 2402DH510.987/Pass 2441DH511.026/Pass 2480DH511.030/Pass Pi/4DQPSKSISO 24022DH511.292/Pass 24412DH511.320/Pass 24802DH511.320/Pass 8DPSKSISO 24023DH511.310/Pass 24413DH511.308/Pass 24803DH511.308/Pass 9 2.2TestGraph 2.2.1OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 10 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 11 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 12 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 13 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 14 2.2.220dBBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 15 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 16 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 17 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 18 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 19 3.MaximumConductedOutputPower 3.1TestResult 3.1.1Power Mode TX Type Frequency (MHz) Packet Type MaximumPeakConductedOutputPower(dBm) Verdict ANT1Limit GFSKSISO 2402DH5-0.53<=30Pass 2441DH5-0.13<=20.97Pass 2480DH50.06<=20.97Pass Pi/4DQPSKSISO 24022DH50.35<=20.97Pass 24412DH50.65<=20.97Pass 24802DH50.77<=20.97Pass 8DPSKSISO 24023DH50.78<=20.97Pass 24413DH51.08<=20.97Pass 24803DH51.28<=20.97Pass Note1:AntennaGain:Ant1:0.00dBi; 20 3.2TestGraph 3.2.1Power GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 21 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 22 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 23 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 24 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 25 4.CarrierFrequencySeparation 4.1TestResult 4.1.1Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type ChannelSeparation (MHz) 20dBBandwidth (MHz) Limit (MHz) Verdict GFSKSISOHOPPDH50.9781.030>=0.687Pass Pi/4DQPSKSISOHOPP2DH51.0101.320>=0.88Pass 8DPSKSISOHOPP3DH51.0011.310>=0.873Pass 26 4.2TestGraph 4.2.1Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 27 8DPSK_3DH5_HOPP_Ant1_NTNV 28 5.NumberofHoppingFrequencies 5.1TestResult 5.1.1HoppNum Mode TX Type Frequency (MHz) Packet Type NumofHoppingFrequencies Verdict ANT1Limit GFSKSISOHOPPDH579>=15Pass Pi/4DQPSKSISOHOPP2DH579>=15Pass 8DPSKSISOHOPP3DH579>=15Pass 29 5.2TestGraph 5.2.1HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 30 8DPSK_3DH5_HOPP_Ant1_NTNV 31 6.TimeofOccupancy(DwellTime) 6.1TestResult 6.1.1Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Durationof SinglePulse(ms) Observation Period(s) NumofPulsein ObservationPeriod Dwell Time(ms) Limit (ms) Verdict GFSKSISOHOPP DH10.38031.600318120.840<=400Pass DH31.64231.600174285.708<=400Pass DH52.89031.600116335.240<=400Pass Pi/4DQPSKSISOHOPP 2DH10.39631.600319126.324<=400Pass 2DH31.64231.600161264.362<=400Pass 2DH52.89031.600107309.230<=400Pass 8DPSKSISOHOPP 3DH10.39631.600320126.720<=400Pass 3DH31.64631.600160263.360<=400Pass 3DH52.89231.600111321.012<=400Pass 32 6.2TestGraph 6.2.1Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV 33 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV 34 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 35 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV 36 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV 37 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV

38 8DPSK_3DH1_HOPP_Ant1_NTNV 8DPSK_3DH1_HOPP_Ant1_NTNV 39 8DPSK_3DH3_HOPP_Ant1_NTNV 8DPSK_3DH3_HOPP_Ant1_NTNV 40 8DPSK_3DH5_HOPP_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV 41 7.UnwantedEmissionsInNon-restrictedFrequencyBands 7.1TestResult 7.1.1Ref Mode TX Type Frequency (MHz) Packet Type ANT LevelofReference (dBm) GFSKSISO 2402DH51-0.74 2441DH51-0.47 2480DH51-0.31 HOPPDH51 -0.28 -0.28 Pi/4DQPSKSISO 24022DH51-0.72 24412DH51-0.50 24802DH51-0.37 HOPP2DH51 -0.43 -0.43 8DPSKSISO 24023DH51-0.76 24413DH51-0.44 24803DH51-0.28 HOPP3DH51 -0.29 -0.29 Note1:RefertoFCCPart15.247(d)andANSIC63.10-2020,thechannelcontainsthemaximumPSDlevelwasusedto establishthereferencelevel. 7.1.2CSE Mode TX Type Frequency (MHz) Packet Type ANT LevelofReference (dBm) Limit (dBm) Verdict GFSKSISO 2402DH51-0.74-20.74Pass 2441DH51-0.47-20.47Pass 2480DH51-0.31-20.31Pass HOPPDH51 -0.28-20.28Pass -0.28-20.28Pass Pi/4DQPSKSISO 24022DH51-0.72-20.72Pass 24412DH51-0.50-20.50Pass 24802DH51-0.37-20.37Pass HOPP2DH51 -0.43-20.43Pass -0.43-20.43Pass 8DPSKSISO 24023DH51-0.76-20.76Pass 24413DH51-0.44-20.44Pass 24803DH51-0.28-20.28Pass HOPP3DH51 -0.29-20.29Pass -0.29-20.29Pass Note1:RefertoFCCPart15.247(d)andANSIC63.10-2020,thechannelcontainsthemaximumPSDlevelwasusedto establishthereferencelevel. 42 7.2TestGraph 7.2.1Ref GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 43 GFSK_DH5_HCH_2480MHz_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 44 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 45 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 46 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 47 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 48 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV 49 8DPSK_3DH5_HOPP_Ant1_NTNV 50 7.2.2CSE GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_LCH_2402MHz_Ant1_NTNV 51 GFSK_DH5_MCH_2441MHz_Ant1_NTNV GFSK_DH5_HCH_2480MHz_Ant1_NTNV 52 GFSK_DH5_HCH_2480MHz_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 53 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 54 Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV 55 Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 56 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 57 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 58 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 59 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV 60 8DPSK_3DH5_HOPP_Ant1_NTNV

ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251218041R-1 TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 1 of 31 FCCPart15CTestReport FCCID:2A56G-K66PLUSMAX Applicant:JiangmenCityHelianshengElectronicCo.,Ltd Address:No.12-101YangjingGardenPengjiangDist.JiangmenCity,Guangdong,China Manufacturer:JiangmenCityHelianshengElectronicCo.,Ltd Address:No.12-101YangjingGardenPengjiangDist.JiangmenCity,Guangdong,China EUT:UTVSoundBar TradeMark:Kspeaker ModelNumber:K66PLUS-MAX,K66PLUS,K66ULTRA,K66MAX DateofReceipt:Dec.05,2025 TestDate:Dec.06,2025-Jan.08,2026 DateofReport:Jan.08,2026 PreparedBy:ShenzhenDLTestingTechnologyCo.,Ltd. Address: 101-201,BuildingC,Shuanghuan,No.8,BaoqingRoad,BaolongIndustrialZone,Baolong Street,LonggangDistrict,Shenzhen,Guangdong,China Applicable Standards: FCCPART15C15.247 ANSIC63.10:2013 TestResult:Pass ReportNumber:DLE-251218041R-1 Prepared(TestEngineer):AlisaSong Reviewer(Supervisor): JackBu Approved(Manager): JadeYang Thistestreportisbasedonasingleevaluationofonesampleofabovementionedproducts.Itisnotpermittedto beduplicatedinextractswithoutwrittenapprovalofShenzhenDLTestingTechnologyCo.,Ltd. ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251218041R-1 TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 2 of 31 TableofContentsPage 1.SUMMARYOFTESTRESULTS...............................................................................4 1.1MEASUREMENTUNCERTAINTY..................................................................................4 2.GENERALINFORMATION........................................................................................5 2.1GENERALDESCRIPTIONOFEUT.................................................................................5 2.2DESCRIPTIONOFTESTMODES....................................................................................6 2.3BLOCKDIGRAMSHOWINGTHECONFIGURATIONOFSYSTEMTESTED..............7 2.4DESCRIPTIONOFSUPPORTUNITS(CONDUCTEDMODE)........................................7 2.5TABLEOFPARAMETERSOFTESTSOFTWARESETTING........................................7 2.6EQUIPMENTSLISTFORALLTESTITEMS...................................................................8 3.EMCEMISSIONTEST...............................................................................................9 3.1CONDUCTEDEMISSIONMEASUREMENT..................................................................9 3.1.1POWERLINECONDUCTEDEMISSIONLimits...................................................9 3.1.2TESTPROCEDURE................................................................................................9 3.1.3DEVIATIONFROMTESTSTANDARD..................................................................9 3.1.4TESTSETUP.........................................................................................................10 3.1.4EUTOPERATINGCONDITIONS.........................................................................10 3.1.5TESTRESULTS......................................................................................................10 3.2RADIATEDEMISSIONMEASUREMENT.....................................................................11 3.2.1RADIATEDEMISSIONLIMITS.............................................................................11 3.2.2LIMITSOFRADIATEDEMISSIONMEASUREMENT(ABOVE1000MHZ).........11 3.2.3TESTPROCEDURE..............................................................................................12 3.2.4DEVIATIONFROMTESTSTANDARD................................................................12 3.2.5TESTSETUP.........................................................................................................12 3.2.6EUTOPERATINGCONDITIONS.........................................................................13 3.2.7TESTRESULTS(BETWEEN30MHZ–1GHZ)...................................................14 3.2.9TESTRESULTS(1GHZ~25GHZ).........................................................................16 3.3RADIATEDBANDEMISSIONMEASUREMENT...........................................................20 3.3.1TESTREQUIREMENT:...........................................................................................20 3.3.2TESTPROCEDURE...............................................................................................20 3.3.3DEVIATIONFROMTESTSTANDARD..................................................................21 3.3.4TESTSETUP...........................................................................................................21 3.3.5EUTOPERATINGCONDITIONS...........................................................................21 4.PEAKOUTPUTPOWER.........................................................................................25 4.1APPLIEDPROCEDURES/LIMIT.................................................................................25 4.1.1TESTPROCEDURE..............................................................................................25 4.1.2DEVIATIONFROMSTANDARD...........................................................................25 4.1.3TESTSETUP.........................................................................................................25 ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.:DLE-251218041R-1 TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 3 of 31 TableofContentsPage 4.1.4EUTOPERATIONCONDITIONS.........................................................................25 4..1.5TESTRESULTS...................................................................................................25 5.NUMBEROFHOPPINGCHANNEL........................................................................26 5.1APPLIEDPROCEDURES/LIMIT.................................................................................26 5.1.1TESTPROCEDURE..............................................................................................26 5.1.2DEVIATIONFROMSTANDARD...........................................................................26 5…

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ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.: DLE-251218041R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 1 of 2 TESTSETUPPHOTO RadiatedMeasurementPhotos ShenzhenDLTestingTechnologyCo.,Ltd.ReportNo.: DLE-251218041R TestReportTel:400-688-3552Web:www.dl-cert.comEmail:[email protected] 2 of 2 ConductedMeasurementPhotos ※※※※※ENDOFREPORT※※※※※