2BARL-L15PRO16ACTIVE COLUMN SPEAKER SYSTEM

Rev1/26/2023 NingboSpeakfriendsElectronicCO.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:01-05-2026 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2BARL-L15PRO16 [NingboSpeakfriendsElectronicCO.,LTD](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. [NingboSpeakfriendsElectronicCO.,LTD](“theapplicant”)certifiesthattheequipmentforwhich authorizationissoughtdoesnotincludecybersecurityoranti-virussoftwareproducedorprovidedby KasperskyLab,Inc.oranyofitssuccessorsandassignees,includingequipmentwithintegratedKaspersky Lab,Inc.(oranyofitssuccessorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24- 886andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Deviceisinherentlycompliantbasedonhardwarelimitationsorsoftwarecontrols. or ASoftwareBillofMaterials(SBOM)isprovidedtotheTCBforreview,and Theend-userorthirdpartiescannotinstalladditionalsoftwareonthisdevice. Sincerely, ChunqiangDing Rev1/26/2023 NingboSpeakfriendsElectronicCO.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:01-05-2026 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2BARL-L15PRO16 [NingboSpeakfriendsElectronicCO.,LTD](“theapplicant”)certifiesthat,asofthedateofthefilingof theapplication,theapplicantisnotidentifiedontheCoveredList(asaspecificallynamedentityorany ofitssubsidiariesoraffiliates)asanentityproducing“covered”equipment. Sincerely, ChunqiangDing

Rev 1/26/2023 Ningbo Speakfriends Electronic CO., LTD Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 01-05-2026 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2BARL-L15PRO16 Applicant FRN: 0033617127 [Ningbo Speakfriends Electronic CO., LTD] (“the applicant”) certifies that, as of the date of the filing of the application, [FCC US Agent, LLC] is our designated U.S. agent for service of process for the above referenced FCC ID. [Ningbo Speakfriends Electronic CO., LTD] accepts to maintain an agent 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. [FCC US Agent, LLC] accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: [FCC US Agent, LLC] U.S. Agent FRN: [0033402884] Address: [3722 Illinois Avenue, Saint Charles, IL, 60174, USA] Contact Person: [Tim Payne] Tel.: [708-571-3148] Email: [[email protected]] Sincerely, [Ningbo Speakfriends Electronic CO., LTD] [FCC US Agent, LLC] [Chunqiang Ding] [Tim Payne] [U.S. Agent signature]

Rev11/20/07 NingboSpeakfriendsElectronicCO.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2BARL-L15PRO16. PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName* Schematics BlockDiagram OperationDescription “Schematics.pdf” “BlockDiagram.pdf” “CircuitDescription.pdf” Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. PursuanttoDA04-1705June15,2004oftheCommission’spublicnotice,wealsorequest temporaryconfidentialtreatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName* TestSetupPhotos ExternalPhotos InternalPhotos UserManual “Appendix-TestSetupPhotofor8335EU122007W1.pdf” “Appendix-EUTExternalPhotofor8335EU122007W1.pdf” “Appendix-EUTInternalPhotofor8335EU122007W1.pdf” “UserManual.pdf” Sincerely, printedname:ChunqiangDing

M:\MasterDocuments\TEMPLATES\POA_Letter.doc NingboSpeakfriendsElectronicCO.,LTD FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Date:01-05-2026 SUBJECT:FCCApplicationforFCCID:2BARL-L15PRO16 ToWhomItMayConcern: We,theundersigned,herebyauthorizeSallyZhangatShenzhenEUTestingLaboratory Limitedonourbehalf,toapplytotheFederalCommunicationsCommissiononour equipment.Anyandallactscarriedoutby_ShenzhenEUTestingLaboratoryLimited_on ourbehalfshallhavethesameeffectasactsofourown. ThisistoadvisethatweareinfullcompliancewiththeAnti-DrugAbuseAct.We,the applicant,arenotsubjecttoadenialoffederalbenefitspursuanttoSection5301ofthe Anti-DrugActof1988,21USC853a,andnopartytotheapplicationissubjecttoadenial offederalbenefitspursuanttothatsection. Regards, ChunqiangDing NingboSpeakfriendsElectronicCO.,LTD

LabelLocation Label Size:100*80cm ProductName:ACTIVECOLUMNSPEAKERSYSTEM ModelNo.:L15PRO16 FCCID:2BARL-L15PRO16 ThisdevicecomplieswithPart15oftheFCCRules. Operationissubjecttothefollowingtwoconditions: (1)Thisdevicemaynotcauseharmfulinterference,and (2)Thisdevicemustacceptanyinterferencereceived, includinginterferencethatmaycauseundesiredoperation.

RFEXPOSUREEVALUATION FCCID:2BARL-L15PRO16 AccordingtoKDB447498D01GeneralRFExposureGuidancev06andFCC 1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)Radiationas specifiedin§1.1307(b): RoutineSARevaluationreferstothatspecificallyrequiredby§2.1093,using measurementsorcomputersimulation.WhenroutineSARevaluationisnot required,portabletransmitterswithoutputpowergreaterthantheapplicable lowthresholdrequireSARevaluationtoqualifyforTCBapproval. Channel (MHz) Maximum outputpower (dBm) Tuneup tolerance (dBm) MaxTune UpPower (dBm) Distance (mm) Calculation results Limit Operating Mode 2402-0.22-0.22±10.7850.3713 BDR&EDR 2441-1.07-1.07±1-0.0750.3073 2480-0.63-0.63±10.3750.3433 24021.841.84±12.8450.5963 24411.281.28±12.2850.5283 24801.811.81±12.8150.6023 24022.462.46±13.4650.6883 24411.901.90±12.9050.6093 24802.362.36±13.3650.6833 2402-0.69-0.69±10.3150.3333 BLE2440-1.25-1.25±1-0.2550.2953 2480-0.69-0.69±10.3150.3383 TestResults:PASS.

TESTREPORT ReportNo.:8335EU122007W1 Applicant:NingboSpeakfriendsElectronicCO.,LTD Address:ROOM1302,HENGYEBUILDING,TAI'ANROAD, Ningbo,Zhejiang,China ProductName:ACTIVECOLUMNSPEAKERSYSTEM ModelNo.:L15PRO16 Trademark:N/A FCC ID:2BARL-L15PRO16 Test Standard(s):47 CFRPart 15.247 Test Result:Pass Dateof Receipt:Oct. 20, 2025 Test Date:Oct. 20, 2025- Nov. 05, 2025 Dateof Issue:Dec.30 , 2025 ISSUEDBY: SHENZHENEU TESTINGLABORATORYLIMITED Preparedby:Reviewedand Approvedby: LandonQiu/ EngineerSallyZhang/Manager Page2 of 114ReportNo.: 8335EU122007W1 TRF Version:A01 RevisionRecord ReportVersionIssuedDateDescriptionStatus V0Dec . 30 , 2025OriginalValid Page3 of 114ReportNo.: 8335EU122007W1 TRF Version:A01 Tableof Contents 1COVERPAGE...................................................................................................................................................1 2GENERALINFORMATION........................................................................................................................5 2.1APPLICANTINFORMATION...................................................................................................................5 2.2MANUFACTURERINFORMATION...........................................................................................................5 2.3FACTORYINFORMATION......................................................................................................................5 2.4GENERALDESCRIPTIONOFE.U.T......................................................................................................5 2.5TECHNICALINFORMATIONOFE.U.T....................................................................................................6 3TESTSUMMARY.......................................................................................................................................7 3.1TESTSTANDARD................................................................................................................................7 3.2TESTVERDICT...................................................................................................................................7 3.3TESTLABORATORY............................................................................................................................8 4TESTCONFIGURATION...........................................................................................................................9 4.1TESTENVIRONMENT...........................................................................................................................9 4.2TESTEQUIPMENT...............................................................................................................................9 4.3DESCRIPTIONOFSUPPORTUNIT......................................................................................................11 4.4TESTMODE.....................................................................................................................................11 4.5DESCRIPTIONOFCALCULATION........................................................................................................11 4.5.1FieldStrengthCalculation..................................................................................................11 4.5.2DisturbanceCalculation.....................................................................................................11 4.6MEASUREMENTUNCERTAINTY..........................................................................................................11 4.7DEVIATIONFROMSTANDARDS..........................................................................................................12 4.8ABNORMALITIESFROMSTANDARDCONDITION..................................................................................12 5EVALUATIONRESULTS(EVALUATION)..............................................................................................13 5.1ANTENNAREQUIREMENT..................................................................................................................13 5.1.1Test Specification...............................................................................................................13 5.1.2Test Data ............................................................................................................................13 6RADIOSPECTRUMMATTERTESTRESULTS(RF) ............................................................................14 6.1CONDUCTEDEMISSIONATACPOWERLINE......................................................................................14 6.1.1Test Specification...............................................................................................................14 6.1.2E.U.T.Operation.................................................................................................................14 6.1.3Test SetupDiagram...........................................................................................................14 6.1.4Test Data ............................................................................................................................14 6.220DB BANDWIDTH...........................................................................................................................17 6.2.1Test Specification...............................................................................................................17 6.2.2E.U.T.Operation.................................................................................................................17 6.2.3Test SetupDiagram...........................................................................................................18 6.2.4Test Data ............................................................................................................................18 6.3MAXIMUMCONDUCTEDOUTPUTPOWER...........................................................................................19 6.3.1Test Specification..........................................................…

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Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name BLE/BT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Adress: Building 9, Jinshi Garden, No. 107 Shihua West Road, Xiangzhou District , Zhuhai City, Guangdong Province, China Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 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) Max Min Avg 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.