HBOSB2635DSU2.1ch Standalone Rear Surround Speakers

SHENZHENFENDATECHNOLOGYCO.,LTD. CoveredEquipmentCertificationAttestationLetter 2026-06-25 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa K1V1H2 Canada ATTN.:ReviewingEngineer FCCID:HBOSB2635DSU SHENZHENFENDATECHNOLOGYCO.,LTD.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibitedfrom receivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. SHENZHENFENDATECHNOLOGYCO.,LTD.(“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListas anentityproducing“covered”equipment. SHENZHENFENDATECHNOLOGYCO.,LTD.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtdoesnotincludecybersecurityoranti-virus softwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsand assignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886 andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:frankChenzhonghua Title:engineer CompanyName:SHENZHENFENDATECHNOLOGYCO.,LTD. Address:FendaHi-TechPark,ZhoushiRoad,ShiyanTown,BaoanDistrict,Shenzhen City,Guangdong,China Phone:+86-0755-27486668 E-Mail:[email protected] Date:2026-06-25

1/1 USAgentforServiceofProcessLETTEROFATTESTATION TO: OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 USAgentforServiceofProcess: CompanyName:HisenseUSAMultimediaR&DCenterInc. FRN:0033725060 ContactName:ShuangGuan Address:7310McGinnisFerryRoadSuwanee,GA30024,UnitedStates TelephoneNo:(678)318-9060 Email:[email protected] Applicant: Companyname:SHENZHENFENDATECHNOLOGYCO.,LTD. ProductDescription:2.1chStandaloneRearSurroundSpeakers Granteecode:HBO FCCID:HBOSB2635DSU FRN：0021744982 ContactName:frankChenzhonghua Address:FendaHi-TechPark,ZhoushiRoad,ShiyanTown,BaoanDistrict,ShenzhenCity, Guangdong,China TelephoneNo:+86-0755-27486668 Email:[email protected] SHENZHENFENDATECHNOLOGYCO.,LTD.certifiesthat,asofthedateofthis filingoftheapplicationwiththeTCB,[HisenseUSAMultimediaR&DCenterInc.] isourdesignatedUSagentforserviceofprocessfortheabovereferencedFCC ID.SHENZHENFENDATECHNOLOGYCO.,LTD.acceptstomaintainanagent fornolessthanoneyearafterthegranteehasterminatedallmarketingand importationortheconclusionofanycommissionrelatedproceedinginvolving equipment.[HisenseUSAMultimediaR&DCenterInc.]accepts,asofthedate ofthefilingoftheapplication,theobligationofthedesignatedUSagentfor serviceofprocessfortheabovereferenceFCCID. TheUSAgentforServiceofProcessisawareofandagreestocomplywiththerequirements outlinedintheFCCEquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause §2.911. TheApplicantisawareofandagreestocomplywiththerequirementsoutlinedintheFCC EquipmentAuthorizationProgram,ReportandOrderFCC22-84,andclause§2.911. Date:2026-06-25 Applicant’sName: frankChenzhonghua USAgent’sName: ShuangGuan Title:engineerTitle:/ Signature ： Signature

SHENZHENFENDATECHNOLOGYCO.,LTD. 2026-06-25 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 AUTHORITYTOACTASAGENT-FCC Onourbehalf,IappointDamonHu,GuangdongDongdianTestingServiceCo.,Ltd.(Unit2,Building 1,No.17,Zongbu2ndRoad,SongshanLakePark,Dongguan,Guangdong,China,523808),toact asouragentinthepreparationofthisapplicationforequipmentcertification.Icertifythatsubmitted documentsproperlydescribethedeviceorsystemforwhichequipmentcertificationissought.Ialso certifythateachunitmanufactured,importedormarketed,asdefinedinFCCregulationswillhave affixedtoitalabelidenticaltothatsubmittedforapprovalwiththisapplication. Insigningthisletter,Applicantcertifiesthatneithertheapplicantnoranypartytotheapplicationis notsubjecttoadenialofFederalbenefits,thatincludeFCCbenefits,pursuanttoSection5301ofthe Anti-DrugAbuseActof1988,21U.S.C.§862becauseofaconvictionforpossessionordistribution ofacontrolledsubstance.See47CFR1.2002(b)forthedefinitionofa"party"forthesepurposes. Forinstanceswhereourauthorizedagentsignstheapplicationforcertificationonourbehalf,I acknowledgethatallresponsibilityforcomplyingwiththetermsandconditionsforcertification,as specifiedbyNemkoNorthAmericaInc.,stillresidesstillresideswithus. Sincerely, Printedname:frankChenzhonghua Title:engineer CompanyName:SHENZHENFENDATECHNOLOGYCO.,LTD. Address:FendaHi-TechPark,ZhoushiRoad,ShiyanTown,BaoanDistrict,ShenzhenCity, Guangdong,China Phone:+86-0755-27486668 E-Mail:[email protected] Date:2026-06-25

SHENZHENFENDATECHNOLOGYCO.,LTD. ProductSimilarityDeclaration Productname:2.1chStandaloneRearSurroundSpeakers Modelname:F210,F3,Flex3,FLEX3,FLEX210,WR210,FL210,FL2100, F2100 FCCID:HBOSB2635DSU We(SHENZHENFENDATECHNOLOGYCO.,LTD.)herebystatethatallthe modelsareelectricalidenticalincludingthesamehardwaredesign(i.e.,circuit design,PCBLayout,RFmodule/circuit,antennatype(s)andantennalocation, componentsonPCB,etc.,),WhicharenotaffecttheRFcharacterisitics.same mechanicalstructure,onlythemodelnumberaredifferent. Signature: Printedname:frankChenzhonghua Title:engineer CompanyName:SHENZHENFENDATECHNOLOGYCO.,LTD. Address:FendaHi-TechPark,ZhoushiRoad,ShiyanTown,BaoanDistrict,Shenzhen City,Guangdong,China Phone:+86-0755-27486668 E-Mail:[email protected] Date:2026-06-233

SHENZHENFENDATECHNOLOGYCO.,LTD. 2026-06-25 NemkoNorthAmerica,Inc. 303RiverRoad Ottawa,Ontario,Canada K1V1H2 REQUESTFORCONFIDENTIALITY–FCC FCCID: HBOSB2635DSU PursuanttoSections0.457(d)and0.459oftheCommission’sRulesandFCCGuidancedocument 726920,weherebyrequestpermanentconfidentialtreatmentofexhibitsidentifiedassuchinthe tablebelowandrequesttheyarepermanentlywithheldfrompublicreviewbasedonthedocuments containingtradesecretsandproprietaryinformationnotcustomarilyreleasedtothepublic.The publicdisclosureofthisinformationmightbeharmfultotheapplicantandprovideunjustifiedbenefits toitscompetitors. Wealsorequestshort-termconfidentialityoncertainexhibitsuntiltheintendeddateofmarketingas outlinedbelow.Werequesttheexhibitsbewithheldfrompublicviewforaperiodof180days.We attestmarketingoftheproductwillonlycommenceaftertheperiodofshort-termconfidentiality expires,orifmarketingistocommencebeforetherequestednumberofdayslistedabove,the granteewillinformNemkotoreleasetheShort-TermConfidentialityinformationwithheldontheFCC equipmentauthorizationwebsite. ExhibitTypeofConfidentialityRequested BlockDiagrams ☒Permanent ☐ShortTerm ExternalPhotos------------------☒ShortTerm InternalPhotos☐Permanent*☒ShortTerm OperationDescription ☒Permanent ☐ ShortTerm PartsList&Placement/BOM ☐ Permanent ☐ ShortTerm Tune-UpProcedure☐Permanent ☐ShortTerm SchematicDiagrams☒Permanent ☐ShortTerm TestSetupPhotos------------------☒ShortTerm User’sManual ☐Permanent* ☒ShortTerm Theasteriskeditems(*)requirefurtherinformationtobeprovidedinthisjustificationletterbeforepermanentconfidentialitywillbe extendedtotheseexhibits.PleaserefertoFCCKDB726920D01foundat: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731andreviewsectionII,3)regardingspecific informationthatmustaccompanytheserequests. Note:anydocumentsheldundertheShort-Termconfidentialitywillautomaticallybecomepublicafterthe requestedtimeifanappropriateextensionrequesthasnotbeenreceived.Anyexhibits(i.e.,schematic diagrams)thatmayhavealreadybeenrequestedtohave“Permanent”confidentialityasshownabove neednotberepeatedunderShort-Termconfidentialityrequest. Sincerely, Signed : Printedname:frankChenzhonghua Title:engineer CompanyName:SHENZHENFENDATECHNOLOGYCO.,LTD. Address:FendaHi-TechPark,ZhoushiRoad,ShiyanTown,BaoanDistrict,ShenzhenCity, Guangdong,China Phone:+86-0755-27486668 E-Mail:[email protected] Date:2026-06-25

49mm 39mm 贴纸类说明： 1、公差（mm）：0<a≦50（+0.3/-0.2）， 50<a≦150（+1/-0.5），>150（+1.5/-1）。 有特殊要求的，按标示公差执行。 注：如需匹配产品槽位黏贴(黏贴示意)，只 能走负公差。 2、 要求图文清晰可辨，内容完整，折叠正 确，无重影，墨屎、无重影，墨屎、杂点、 脏点、异物、粉点、套印不准。 3、粘性要求：普通粘力800~1200g；加粘 1400g。可移普通200g，可移加粘400g。 4、空白贴纸卷筒来料：卷筒内直径40mm， 每张贴纸间距2~3mm, 入打印机方向（含 离型纸）最长边不能大于110mm。两边 离型纸留边为5mm（如超出110mm，可 相应减少到110mm 以内，一个料号的离 型纸留边保持统一即可）。 料号 产品型号 部件名称 日期 环保要求 RoHs2.0、Reach 包装指令94/62/EC 大豆油墨印刷 无氯漂白工艺 粘合剂为非石油基 TPCH（美国） SB2635D 2026.06.16 环绕功率贴纸 12.005.0005.XXXXX 12.005.0005.20513 初版发行 变更原因 审核 批准 李继华 其他 规格与工艺要求 设计版本 A 01 包装工程师 平面工程师 张劲松 杨改改 李宏 公差与说明 油墨中禁止使用 矿物油（法国） 参考 无 有： 尺寸（mm） 材质 粘性要求 表面处理 49x39mm 80g铜版纸+3M背胶 条码要求 贴于物体 无条码 有条码（清晰易扫描） 工艺要求 无烫金烫银击凸击凹压网局部UV其他 塑胶硅胶纸张玻璃屏胶袋金属其他 普通 颜色 黑底白字 3M 可移普通 可移加粘 其他（参数） 无光油哑油水性光油水性哑油UV油光胶哑膜防刮花哑膜 40.00 50.00 149.26 150.50 Model: F210 2.1ch Standalone Rear Surround Speakers 24V 1.0A, 24W Made in China IC10550A-SB2635DSU FCC IDHBOSB2635DSU This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Responsible person for EU; Importer: Gorenje gospodinjski aparati, d.o.o. Address: Partizanska cesta 12, 3320 Velenje, Slovenija Email: [email protected] Manufacturer: XinYang (Hong Kong) Co., Ltd. Address: Room3101-05, Singga Commercial Centre, No. 148 Connaught Road West, Hong Kong, China Email: [email protected]

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E05 TRF No.: RT-4-E-006Page 1 of 7 RF EXPOSURE REPORT Applicant : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Applicant : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Manufacturer : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Manufacturer : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Equipment under Test : 2.1ch Standalone Rear Surround Speakers Model No. : F210, F3, Flex3, FLEX3, FLEX210, WR210, FL210, FL2100, F2100 FCC ID : HBOSB2635DSU Test Standard(s) : KDB447498 D01 General RF Exposure Guidance v06 Report No. : DDT-RE25112709-2E05 Issue Date : 2026/07/23 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E05 TRF No.: RT-4-E-006Page 2 of 7 Table of Contents 1.General Test Information..............................................................................................5 1.1.Description of EUT .......................................................................................................5 1.2.Accessories of EUT......................................................................................................5 1.3.Test laboratory .............................................................................................................5 2.RF Exposure evaluation for FCC .................................................................................6 2.1.Assessment procedure.................................................................................................6 2.2.Assess result ................................................................................................................7 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E05 TRF:RT-4-E-006Page 3 of 7 $!CeMetaLims!digital$ Test Report Declare Applicant : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Applicant : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Equipment under Test : 2.1ch Standalone Rear Surround Speakers Model No. : F210, F3, Flex3, FLEX3, FLEX210, WR210, FL210, FL2100, F2100 Manufacturer : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Manufacturer : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Test Standard Used: KDB447498 D01 General RF Exposure Guidance v06 We Declare: The equipment described above is tested by Guangdong Dongdian Testing Service Co., Ltd. and in the configuration tested the equipment complied with the standards specified above. The test results are contained in this test report and Guangdong Dongdian Testing Service Co., Ltd. is assumed of full responsibility for the accuracy and completeness of these tests. Report No.:DDT-RE25112709-2E05 Date of Receipt:2026/02/06Date of Test:2026/02/06~2026/05/21 Note: This report applies to above tested sample only. This report shall not be reproduced in parts without written approval of Guangdong Dongdian Testing Service Co., Ltd. Created: Chen Ziqin Reviewed: Bobo ChenApproved: Ella Gong 2026/04/232026/07/232026/07/23 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E05 TRF:RT-4-E-006Page 4 of 7 Revision History VersionRevision ContentIssue DateApproved V0Initial issue2026/07/23Ella Gong Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E05 TRF:RT-4-E-006Page 5 of 7 1. General Test Information 1.1. Description of EUT EUT Name:2.1ch Standalone Rear Surround Speakers Model Number:F210, F3, Flex3, FLEX3, FLEX210, WR210, FL210, FL2100, F2100 Difference of model number: Above models are identical in schematic and structure, only the model number are different, therefore the test performed on the model F210 EUT Function Description:Please reference user manual of this device Power Supply:DC 24V by external adapter Hardware Version:PCB Antenna Software Version:2.64 Note: The above EUT information is declared by manufacturer and for more detailed features description please refer to the manufacturer's specifications or User's Manual. 1.2. Accessories of EUT AccessoriesManufacturerModel numberDescription AC Power Cable//Length: 140cm, without core SWITCHING ADAPTER SHENZHEN HONOR ELECTRONI C CO., LTD. ADS-25FSG- 19 24024EPCU INPUT: 100~240V~ 50/60Hz Max. 0.7A OUTPUT: 24.0V ⎓1.0A 24.0W 1.3. Test laboratory Guangdong Dongdian Testing Service Co., Ltd. Add.: Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808. Tel.: +86-0769-38826678, http://www.dgddt.com, Email: [email protected]. CNAS Accreditation No. L6451; A2LA Accreditation Number: 3870.01 FCC Designation Number: CN1182, Test Firm Registration Number: 540522 Innovation, Science and Economic Development Canada Site Registration Number: 10288A Conformity Assessment Body identifier: CN0048 VCCI facility registration number: C-20087, T-20088, R-20123, R-20240, G-20118 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E05 TRF:RT-4-E-006Page 6 of 7 2. RF Exposure evaluation for FCC 2.1. Assessment procedure Requirement: Systems operating under the provisions of FCC 47 CFR section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2 m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. Limits for General Population/Uncontrolled Exposure Frequency Range （MHz） Electric Field Strength (E) (V/m) Magnetic FieldStrength (H) （A/m） Power Density (S) （mW/cm 2 ） Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.346141.63…

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SB2635D surround ANT SPEC Type：PCB On Board ANT Length：13.80mm Width：5.0mm Technology：FR4 Manufacturer of Antenna：SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of antenna manufacturer：Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town, Baoan District, Shenzhen City，Guangdong，China ANT SWR & Return Loss（2.4G） Efficiency & Gain Frequency (MHz) Efficiency (%) Gain (dBi) 2400 MHz 36.98 2.41 2410 MHz 36.62 2.64 2420 MHz 38.36 2.38 2430 MHz 39.66 2.30 2440 MHz 40.40 2.35 2450 MHz 40.84 1.96 2460 MHz 40.58 2.06 2470 MHz 39.49 1.74 2480 MHz 39.21 1.38 2490 MHz 38.56 1.49 2500 MHz 37.66 1.46

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF: RT-4-E-005Page 1 of 85 RADIO TEST REPORT Applicant : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Applicant : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Manufacturer : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Manufacturer : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Equipment under Test : 2.1ch Standalone Rear Surround Speakers Model No. : F210, F3, Flex3, FLEX3, FLEX210, WR210, FL210, FL2100, F2100 HVIN : F210 FCC ID : HBOSB2635DSU IC : 10550A-SB2635DSU Test Standard(s) : FCC Rules and Regulations Part 15 Subpart C, ANSI C63.10-2020+Cor.1-2023, RSS-247 Issue 4 July 24, 2025, RSS-Gen Issue 5, Apr. 2018, Amendment 2 (February 2021), ANSI C63.10-2020+Cor.1-2023+C63.10a- 2024+Errata to C63.10a-2024 Report No. : DDT-RE25112709-2E04 Issue Date : 2026/07/28 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF: RT-4-E-005Page 2 of 85 Table of Contents 1.Summary of Test Results .............................................................................................7 2.General Test Information..............................................................................................8 2.1.Description of EUT .......................................................................................................8 2.2.Accessories of EUT......................................................................................................9 2.3.Block diagram of EUT configuration for test.................................................................9 2.4.Decision of final test mode ...........................................................................................9 2.5.Deviations of test standard.........................................................................................10 2.6.Test environment conditions ......................................................................................10 2.7.Test laboratory ...........................................................................................................10 2.8.Measurement uncertainty...........................................................................................11 3.Equipment Used During Conductive Test ..................................................................12 4.20 dB Bandwidth ........................................................................................................13 4.1.Block diagram of test setup ........................................................................................13 4.2.Limits ..........................................................................................................................13 4.3.Test procedure ...........................................................................................................13 4.4.Test result...................................................................................................................14 4.5.Test graphs ................................................................................................................15 5.99% Bandwidth ..........................................................................................................17 5.1.Block diagram of test setup ........................................................................................17 5.2.Limits ..........................................................................................................................17 5.3.Test procedure ...........................................................................................................17 5.4.Test result...................................................................................................................18 5.5.Test graphs ................................................................................................................19 6.Maximum Peak Output Power....................................................................................21 6.1.Block diagram of test setup ........................................................................................21 6.2.Limits ..........................................................................................................................21 6.3.Test procedure ...........................................................................................................21 6.4.Test result...................................................................................................................22 6.5.Test graphs ................................................................................................................23 7.Carrier Frequency Separation ....................................................................................25 7.1.Block diagram of test setup ........................................................................................25 7.2.Limits ..........................................................................................................................25 7.3.Test procedure ...........................................................................................................25 7.4.Test result...................................................................................................................26 7.5.Test graphs ................................................................................................................27 8.Dwell Time..................................................................................................................28 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF: RT-4-E-005Page 3 of 85 8.1.Block diagram of test setup ........................................................................…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF:RT-4-E-005Page 61 of 85 14.7. Test data TR-4-E-009 Radiated Emission Test Result Test Date:2026-04-22Tested By:Cao Jie Test Mode:TX DH5 2402MHz ModePower Supply:AC 230V/50Hz Condition:Temp:20.2°C;Humi:54.5%Test Site:DDT 3# Chamber File Path:d:\ts\2025 report date\Q25112120-2E\FCC BELOW 1G 0422\1 Memo:Sample Number:S25112120-009 Final Data List NO. Freq. [MHz] Reading [dBμV/m] Antenna Factor [dB] Cable Loss [dB] Result [dBμV/m] Limit [dBμV/m] Margin [dB] DetectorPolarity 131.86540.610.823.8122.9340.0017.07QPHorizontal 259.97735.3712.404.0619.5340.0020.47QPHorizontal 3181.21838.299.134.7719.8143.5023.69QPHorizontal 4285.64930.0213.105.2215.9446.0030.06QPHorizontal 5463.71628.7116.205.9218.2746.0027.73QPHorizontal 6845.11626.2521.317.0222.3546.0023.65QPHorizontal Note: 1. Result Level = Reading + Cable loss + Antenna Factor + AMP 2. If Peak Result complies with QP limit, QP Result is deemed to comply with QP limit. 3. Test setup: RBW: 120 kHz, VBW: 300 kHz, Sweep time: auto. Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF:RT-4-E-005Page 62 of 85 TR-4-E-009 Radiated Emission Test Result Test Date:2026-04-22Tested By:Cao Jie Test Mode:TX DH5 2402MHz ModePower Supply:AC 230V/50Hz Condition:Temp:20.2°C;Humi:54.5%Test Site:DDT 3# Chamber File Path:d:\ts\2025 report date\Q25112120-2E\FCC BELOW 1G 0422\2 Memo:Sample Number:S25112120-009 Final Data List NO. Freq. [MHz] Reading [dBμV/m] Antenna Factor [dB] Cable Loss [dB] Result [dBμV/m] Limit [dBμV/m] Margin [dB] DetectorPolarity 144.92837.3913.403.9522.4440.0017.56QPVertical 264.42340.6812.164.1124.6540.0015.35QPVertical 3109.53740.0212.044.3624.1143.5019.39QPVertical 4162.78438.919.344.6620.5543.5022.95QPVertical 5304.04233.4313.845.3020.1746.0025.83QPVertical 6964.19627.7222.447.2725.9254.0028.08QPVertical Note: 1. Result Level = Reading + Cable loss + Antenna Factor + AMP 2. If Peak Result complies with QP limit, QP Result is deemed to comply with QP limit. 3. Test setup: RBW: 120 kHz, VBW: 300 kHz, Sweep time: auto. Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF:RT-4-E-005Page 63 of 85 TR-4-E-009 Radiated Emission Test Result Test Date:2026-05-18Tested By:Cao Jie Test Mode:TX DH5 2402MHz ModePower Supply:AC 120V/60Hz Condition:Temp:24.1°C;Humi:46.5%Test Site:4# Fully Anechoic Room File Path:d:\ts\2026 test date\xinyang\0518 FCC ABOVE 1G BT\36 Memo:Sample Number:S25112120-009 Suspected Data List NO . Freq. [MHz] Reading [dBV/m] Antenna Factor [dB] Cable loss [dB] Level [dBμV/m] Limit [dBμV/m] Margin [dB] DetectorPolarity 13933.00049.2831.67-40.2140.7474.0033.26PKHorizontal 24872.00049.9033.44-40.4042.9474.0031.06PKHorizontal 37371.00048.6037.32-38.9546.9774.0027.03PKHorizontal 49450.00046.5739.30-36.8249.0574.0024.95PKHorizontal 511082.00045.5539.70-35.2949.9674.0024.04PKHorizontal 612672.00044.9840.22-34.7150.4974.0023.51PKHorizontal Note: 1. If Peak Result complies with AV limit, AV Result is deemed to comply with AV limit. 2. Test setup: RBW: 1 MHz, VBW: 3 MHz, Sweep time: auto. Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF:RT-4-E-005Page 64 of 85 TR-4-E-009 Radiated Emission Test Result Test Date:2026-05-18Tested By:Cao Jie Test Mode:TX DH5 2402MHz ModePower Supply:AC 120V/60Hz Condition:Temp:24.1°C;Humi:46.5%Test Site:4# Fully Anechoic Room File Path:d:\ts\2026 test date\xinyang\0518 FCC ABOVE 1G BT\37 Memo:Sample Number:S25112120-009 Suspected Data List NO . Freq. [MHz] Reading [dBV/m] Antenna Factor [dB] Cable loss [dB] Level [dBμV/m] Limit [dBμV/m] Margin [dB] DetectorPolarity 13856.50049.3331.51-40.1640.6874.0033.32PKVertical 24992.00049.2533.87-40.5842.5474.0031.46PKVertical 37693.50048.8437.30-38.8147.3374.0026.67PKVertical 49414.00046.1639.23-36.8548.5474.0025.46PKVertical 511190.00044.8439.88-35.4149.3174.0024.69PKVertical 612153.00044.8939.90-34.4550.3474.0023.66PKVertical Note: 1. If Peak Result complies with AV limit, AV Result is deemed to comply with AV limit. 2. Test setup: RBW: 1 MHz, VBW: 3 MHz, Sweep time: auto. Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF:RT-4-E-005Page 65 of 85 TR-4-E-009 Radiated Emission Test Result Test Date:2026-05-18Tested By:Cao Jie Test Mode:TX DH5 2441MHz ModePower Supply:AC 120V/60Hz Condition:Temp:24.1°C;Humi:46.5%Test Site:4# Fully Anechoic Room File Path:d:\ts\2026 test date\xinyang\0518 FCC ABOVE 1G BT\38 Memo:Sample Number:S25112120-009 Suspected Data List NO . Freq. [MHz] Reading [dBV/m] Antenna Factor [dB] Cable loss [dB] Level [dBμV/m] Limit [dBμV/m] Margin [dB] DetectorPolarity 13900.00049.5931.60-40.0341.1674.0032.84PKHorizontal 24957.50049.1933.73-40.5142.4174.0031.59PKHorizontal 37459.50049.4137.10-38.9547.5674.0026.44PKHorizontal 49390.00046.9039.20-36.8549.2574.0024.75PKHorizontal 511278.50045.5439.98-35.4350.0974.0023.91PKHorizontal 612292.50044.6139.81-34.4849.9474.0024.06PKHorizontal Note: 1. If Peak Result complies with AV limit, AV Result is deemed to comply with AV limit. 2. Test setup: RBW: 1 MHz, VBW: 3 MHz, Sweep time: auto. Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E04 TRF:RT-4-E-005Page 66 of 85 TR-4-E-009 Radiated Emission Test Result Test Date:2026-05-18Tested By:Cao Jie Test Mode:TX DH5 2441MHz ModePower Supply:AC 120V/60Hz Condition:Temp:24.1°C;Humi:46.5%Test Site:4# Fully Anechoic Room File Path:d:\ts\2026 test date\xinyang\0518 FCC ABOVE 1G BT\39 Memo:Sample Number:S25112120-009 Suspected Data List NO . Freq. [MHz] Reading [dBV/m] Antenna Factor [dB] Cable loss [dB] Level [dBμV/m] Limit [dBμV/m] Margin [dB] DetectorPolarity 13862.50049.4131.53-40.1440.8074.0033.20PKVertical 25044.50048.8233.99-40.3742.4474.0031.56PKVertical 37293.00048.3137.71-39.1346.8974.0027.11PKVertical 49388.50046.3239.20-36.8548.6774.0025.33PKVertical 511260.50045.1439.96-35.4349.6774.0024.33PKVertical 612445.50045.2339.75-34.4050.5874.0023.42PKVertical…

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Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E09 TRF: RT-4-E-005Page 1 of 88 RADIO TEST REPORT Applicant : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Applicant : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Manufacturer : SHENZHEN FENDA TECHNOLOGY CO., LTD. Address of Manufacturer : Fenda Hi-Tech Park, Zhoushi Road, Shiyan Town,Baoan District, Shenzhen City, Guangdong, China. Equipment under Test : 2.1ch Standalone Rear Surround Speakers Model No. : F210, F3, Flex3, FLEX3, FLEX210, WR210, FL210, FL2100, F2100 HVIN : F210 FCC ID : HBOSB2635DSU IC : 10550A-SB2635DSU Test Standard(s) : FCC Rules and Regulations Part 15 Subpart C, ANSI C63.10-2020+Cor.1-2023, RSS-247 Issue 4 July 24, 2025, RSS-Gen Issue 5, Apr. 2018, Amendment 2 (February 2021), ANSI C63.10-2020+Cor.1-2023+C63.10a- 2024+Errata to C63.10a-2024 Report No. : DDT-RE25112709-2E09 Issue Date : 2026/08/03 Issue By : Guangdong Dongdian Testing Service Co., Ltd. Unit 2, Building 1, No. 17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE25112709-2E09 TRF: RT-4-E-005Page 2 of 88 Table of Contents 1.Summary of Test Results .............................................................................................7 2.General Test Information..............................................................................................8 2.1.Description of EUT .......................................................................................................8 2.2.Accessories of EUT......................................................................................................9 2.3.Block diagram of EUT configuration for test.................................................................9 2.4.Decision of final test mode ...........................................................................................9 2.5.Deviations of test standard.........................................................................................10 2.6.Test environment…

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