2A9OO-U4320DSurround Speaker

UltimeaTechnology(Shenzhen)Limited Address ：20thFloor,Building4,TiananCloudPark,BantianSt.,LonggangDistrict,Shenzhen,China GranteeCode:2A9OO FRN:0033166620 Date:2026-08-28 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Ref:AttestationStatementsPart2.911(d)(7)Filing SUBJECT:FCCApplicationforFCCID:2A9OO-U4320D UltimeaTechnology(Shenzhen)Limited certifiesthat,asofthedateofthefilingoftheapplication, UltimeaInc.isourdesignatedU.S.agentforserviceofprocessfortheabovereferenced FCCID. UltimeaTechnology(Shenzhen)Limited acceptstomaintainanagentfornolessthan oneyearafterthegranteehasterminatedallmarketingandimportationortheconclusionof anyCommission-relatedproceedinginvolvingtheequipment. UltimeaInc.accepts,asofthedateofthefilingoftheapplication,theobligationofthe designatedU.S.agentforserviceofprocessfortheabovereferencedFCCID. DesignatedU.S.AgentInformation: Name:Ultimea Inc. Address:801SDupontAve,STEG,Ontario,CA91761,UnitedStates FRN:0033593849 ContactPerson:MonicaLin Tel.:+1888-598-8875 Email:[email protected] Sincerely, SignedonbehalfofUltimeaTechnology (Shenzhen)Limited SignedonbehalfofUltimeaInc. Name:YoyoYu Name:MonicaLin Title:ManagerTitle:Manager Date:2026-8-28Date:2026-8-28

Covered Equipment Attestation 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)(5)(i)-(ii) of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC ID Model name 2A9OO-U4320D U4320 We, Applicant Company Name: Ultimea Technology (Shenzhen) Limited Address: 20th Floor, Building 4, Tianan Cloud Park, Bantian St., Longgang District, Shenzhen, China Phone: +86-755-23762801 certify that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. This includes the cybersecurity and anti-virus software produced or provided by Kaspersky Lab, Inc. or any of ist successors and assignees. We certify that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-08-28 Signature Date Name / Title: Yoyo Yu / Manager Company: Ultimea Technology (Shenzhen) Limited Address: 20th Floor, Building 4, Tianan Cloud Park, Bantian St., Longgang District, Shenzhen, China Phone: +86-755-23762801 Fax: N/A E-Mail: [email protected]

Due Diligence 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 FCC ID Model name 2A9OO-U4320D U4320 Pursuant to KDB 986446 D01 Covered Equipment Guidance the evaluation of the product above shows compliance for the following reasons: Compliance Evaluation process Results Inherent compliance The chipset(s) used is not capable of running the cybersecurity and/or anti-virus software Compliance The memory used does not allow the running the cybersecurity and/or anti-virus software Compliance The storage capacity does not allow the running the cybersecurity and/or anti-virus software Compliance The operating system used is not capable of running the cybersecurity and/or anti-virus software Compliance No inherent compliance Based on software bill of material Based on scan for running software on the device Based on filesystem scan for cybersecurity and/or anti-virus software The equipment for which authorization is sought complies with the rules and fulfils the requirements as detailed in the above mentioned KDB. Evaluation performed by Company Name: Shenzhen Huaxia Testing Technology Co., Ltd Contact Name: Yoyo Zhou Address: 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Phone: +86-755-26648642 Email: [email protected] Signature: Date: 2026-08-24

Confidentiality Request Letter For Certification Service in the USA Federal Communication Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Paragraphs §0.457 and 0.459 of the Commission’s Rules (47 C.F.R.) and Section §552(b)(4) of the Freedom of Information Act, we request confidentiality for the documentation of the following products: FCC ID Model name 2A9OO-U4320D U4320 For the products listed above, we request permanent confidentiality for all applicable exhibits as there are: • the Operational Description • the Block Diagram • the Schematics • the Part List • the Tune up Information The above listed exhibits contain trade secrets and proprietary information that could be of benefit to our competitors. If you have any questions, please feel free to contact us at the address shown below. Sincerely, 2026-08-28 Signature Date Name / Title: Yoyo Yu / Manager Company: Ultimea Technology (Shenzhen) Limited Address: 20th Floor, Building 4, Tianan Cloud Park, Bantian St., Longgang District, Shenzhen, China Phone: +86-755-23762801 Fax: N/A E-Mail: [email protected]

ReportNo.:CQASZ20260701617E Photographs-EUTConstructionalDetails FCC ID: 2A9OO-U4320D ReportNo.:CQASZ20260701617E ReportNo.:CQASZ20260701617E ReportNo.:CQASZ20260701617E

贴纸名称：杜比、HDMI宣告语贴纸 贴纸尺寸：155.40 * 34.90mm 印刷要求：黑底白字 贴纸材质：铜版纸，过哑膜，背胶 贴纸用量：1PC 测试要求：酒精，橡皮擦和高温测试，高粘度 粘贴位置：主霸底部居中 贴纸名称：主机SN贴纸(自打码) 贴纸尺寸：17*19mm 印刷要求：白底黑字 贴纸材质：80g不干胶可打印哑膜 贴纸用量：1PC 测试要求：酒精，橡皮擦和高温测试，高粘度 粘贴位置：主机贴纸框内 贴纸名称: 低音炮贴纸 贴纸尺寸：100*57mm 印刷要求：黑底白字 贴纸材质：铜版纸，过哑膜，背胶 贴纸用量：1PC 测试要求：酒精，橡皮擦和高温测试，高粘度 粘贴位置：低音炮背部居中，拖尾线连接处下面 U4320 167.4 * 19.4mm 贴纸名称：环绕箱贴纸 贴纸尺寸：59*34.5mm 印刷要求：黑底白字 贴纸材质：铜版纸，过哑膜，背胶 贴纸用量：4PCS 测试要求：酒精，橡皮擦和高温测试，高粘度

ReportNo.:CQASZ20260701617E Photographs-EUTConstructionalDetails FCC ID: 2A9OO-U4320D ReportNo.:CQASZ20260701617E ReportNo.:CQASZ20260701617E ReportNo.:CQASZ20260701617E

ShenzhenHuaxiaTestingTechnologyCo.,Ltd SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD102A,102B,Building2,Shanghenglang NewIndustrialZone,ShanghenglangCommunity,DalangStreet,LonghuaDistrict,Shenzhen, Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V04 ReportTemplateRevisionDate:2018-07-06 RFExposureEvaluationReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonlytothesample(s) tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260701617E-02 Applicant: UltimeaTechnology(Shenzhen)Limited AddressofApplicant: 20thFloor,Building4,TiananCloudPark,BantianSt.,LonggangDistrict, Shenzhen,China EquipmentUnderTest(EUT): Product: SurroundSpeaker ModelNo.: U4320 TestModelNo.: U4320 BrandName: ULTIMEA FCCID: 2A9OO-U4320D Standards:47CFRPart1.1307 47CFRPart1.1310 KDB447498D01GeneralRFExposureGuidancev06 DateofReceipt:2026-07-24 DateofTest:2026-07-24to2026-08-11 DateofIssue:2026-8-24 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove TestedBy: (AzirWang) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20260701617E-02 Page:2of6 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260701617E-02Rev.01 Initialreport 2026-8-24 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20260701617E-02 Page:3of6 2Contents Page 1VERSION............................................................................................................................................................................2 2CONTENTS........................................................................................................................................................................3 3GENERALINFORMATION..............................................................................................................................................4 3.1CLIENTINFORMATION...................................................................................................................................................4 3.2GENERALDESCRIPTIONOFEUT...................................................................................................................................4 3.3GENERALDESCRIPTIONOFBLE...................................................................................................................................4 4RFEXPOSUREEVALUATION.......................................................................................................................................5 4.1RFEXPOSURECOMPLIANCEREQUIREMENT.................................................................................................................5 4.1.1Limits....................................................................................................................................................................5 4.1.2TestProcedure...................................................................................................................................................5 4.21.1.3EUTRFEXPOSUREEVALUATION.......................................................................................................................6 ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20260701617E-02 Page:4of6 3GeneralInformation 3.1ClientInformation Applicant: UltimeaTechnology(Shenzhen)Limited AddressofApplicant: 20thFloor,Building4,TiananCloudPark,BantianSt.,LonggangDistrict, Shenzhen,China Manufacturer: UltimeaTechnology(Shenzhen)Limited AddressofManufacturer: 20thFloor,Building4,TiananCloudPark,BantianSt.,LonggangDistrict, Shenzhen,China Factory: SHENZHENSOUNDJOYFULTECHNOLOGYCO.,LTD AddressofFactory: Room905A,LingyunBuilding,Xin'anStreet,Bao'an,Shenzhen 3.2GeneralDescriptionofEUT ProductName: SurroundSpeaker ModelNo.:U4320 TestModelNo.:U4320 TradeMark: ULTIMEA SoftwareVersion: 048 HardwareVersion: V0.3 EUTPowerSupply: Adapter: MODELNO:GQ24-180110-AU INPUT:100-240V ～ 50/60Hz1.0AMax OUTPUT:18V ⎓ 1.0A 3.3GeneralDescriptionofBLE OperationFrequency: 2402MHz~2480MHz BluetoothVersion: BluetoothSpec6.0 ModulationType: GFSK NumberofChannel: 40 TransferRate:1Mbps,2Mbps SampleType: MobilePortable AntennaType:FPCantenna AntennaGain:2.59dBi ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20260701617E-02 Page:5of6 4RFExposureEvaluation 4.1RFExposureComplianceRequirement 4.1.1Limits AccordingtoFCCPart1.1310:Thecriterialistedinthefollowingtableshallbeusedtoevaluatethe environmentimpactofhumanexposuretoradiofrequency(RF)radiationasspecifiedinpart1.1307(b) F=FrequencyinMHz FriisFormula Friistransmissionformula:Pd=(Pout*G)/(4*Pi*R 2 ) Where Pd=powerdensityinmW/cm2 Pout=outputpowertoantennainmW G=gainofantennainlinearscale Pi=3.1416 R=distancebetweenobservationpointandcenteroftheradiatorincm PdidthelimitofMPE,1mW/cm2.Ifweknowthemaximumgainoftheantennaandthetotalpowerinputto theantenna,throughthecalculation,wewillknowthedistancerwheretheMPElimitisreached. 4.1.2TestProcedure SoftwareprovidedbyclientenabledtheEUTtotransmitandreceivedataatlowest,middleand highestchannelindividually. ShenzhenHuaxiaTestingTechnologyCo.,Ltd ReportNo.:CQASZ20260701617E-02 Page:6of6 4.2 1.1.3 EUTRFExposureEvaluation 1)ForBLE AntennaGain:2.59dBi AntennaGain:ThemaximumGainmeasuredinfullyanechoicchamberis1.83inlinearscale. OutputPowerIntoAntenna&RFExposureEvaluationDistance: MeasurementData GFSKmode TestchannelPeakOutputPower (dBm) Tuneuptolerance (dBm) Maximumtune-upPower (dBm)(mW) Lowest(2402MHz)1.962.0±132.00 Middle(2440MHz)1.522.0±132.00 Highest(2480MHz)1.041.5±12.51.78 Theworstcase: Maximumtune-up Power (mW) Antenna Gain (dBi) Power Density atR=20cm (mW/cm 2 ) LimitResult 22.590.00072065791.0PASS Note:1)RefertoreportNo.CQASZ20240901965E-03forEUTtestMaxConductedPeakOutputPower value. 2)Pd=(Pout*G)/(4*Pi*R2)=(2*1.83)/(4*3.1416*20 2 )=0.0007206579

1 ShenZhen City FeiMin Technology CO.,LTD. SPECIFICATION FOR APPROVED CUSTOMER: Huizhou Vocal Intelligence Technology Co., Ltd. PRODUCTS: FPC antenna PART NO: 8-1241-24G00-003 Spec.: FM-S2835-U4320-Main unit surround panel. Data: 2026.8.26 REMARK:Please send us one(or copy)of this approval with stamp after accepting,other copies filed by the customer. ADD: Room 801, 8th Floor, Keyunda E-commerce Base, No. 4 Shenghui Road, Guxing Community, Xixiang Subdistrict, Baoan District, Shenzhen. Tel: 0755-23035723 Fax: 0755-23036702 E-mail: [email protected] HTTP:www.fmant.cn CUSTOMER ACCEPTED BY CHECKED BY APPROVED BY SUPPLIER PREPARED BY CHECKED BY APPROVED BY ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 2 catalog 1. Project Information ................................................................................................... 4 1.1. Appearance and Dimensions ........................................................................... 4 2. Electrical Characteristics ........................................................................................... 5 2.1. Test Environment Conditions .......................................................................... 5 2.2.Measurement method .......................................................................................... 5 2.2.2.Antenna VSWR ............................................................................................. 5 2.2.3.Antenna Return loss ............................................................................. 6 2.3.Antenna passive test data ..................................................................... 6 2.3.1.Test system ................................................................................................. 6 2.3.2.Antenna efficiency and gain........................................................... 7 2.3.3.Antenna Radiation Pattern ..................................................................... 7 3.Notes ............................................................................................................................. 8 4.Product packaging specification .................................................................................. 8 ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 3 Revision history version date condition A1 2026-5-9 First edition A2 2026-8-26 Update product drawings. Changes: First change: Before the change: (If necessary, please add corresponding pictures, and the details of the change should be clearly described here) After the change: (If necessary, please add corresponding pictures, and the details of the change should be clearly described here) ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 4 1. Project Information 1.1. Appearance and Dimensions ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 5 2. Electrical Characteristics 2.1. Test Environment Conditions Temperature Ordinary Temperature (5 to 35°C) Humidity Ordinary Humidity (25 to 85% RH) 2.2.Measurement method 2.2.2.Antenna VSWR ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 6 2.2.3.Antenna Return loss 2.3.Antenna passive test data 2.3.1.Test system Shenzhen Feimin Technology Co., Ltd. (24-probe OTA microwave darkroom) ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 7 2.3.2.Antenna efficiency and gain Freq(MHz) Efficiency (％) Gain(dBi) 2400 62.52 2.49 2410 63.36 2.59 2420 64.83 2.50 2430 66.72 2.48 2440 67.49 2.29 2450 65.58 2.43 2460 66.46 2.32 2470 65.33 2.49 2480 64.70 2.48 2490 62.64 2.33 2500 61.35 2.35 2.3.3.Antenna Radiation Pattern ANTENNA SPECIFICATION Shenzhen Feimin Technology Co.,Ltd 8 3.Notes ①. When installing, be careful not to be too close to the metal parts to avoid affecting the antenna performance. ②.This antenna is only suitable for this type of machine. The position of the antenna cannot be changed at will, and it is not our business' responsibility if it is used on other machines that results in poor results. ③. The data used in this acknowledgment (e.g., antenna efficiency, gain, etc.) are data obtained from laboratory tests of the acknowledgement project / antenna in Shenzhen Fei Min Technology Co., Ltd. 4.Product packaging specification Product name: FPC antenna 1、Labeling requirements The inner label is 7CM long and 4CM wide The outer label is 7CM long, about 5CM 2、Packing process Job description： 1. The product __PCS is packed in PE open pockets, and the inner label is affixed to each pouch; Put the __ small bag into the big PE sealing tape bag, except the tail number and spare parts. 2. Each box contains __ large bags of products, and the boxes are sealed with adhesive tape in the shape of "I"。 3. Paste the outer label on the upper right corner of the box, and there must be no missing or wrong filling. 3、Precautions When packing the box, please pay attention to lay the antenna flat and avoid serious shaking after sealing. If the whole box is not filled, it needs to be filled with foam to avoid transportation Circumstances that caused product defects in the process。 client's name supplier Shenzhen Feimin Technology Co., Ltd. Order number ************* Material coding ************* Specification model ****** product name ******* quantity *****PCS QC: spare parts ***PCS Notes supplier Shenzhen Feimin Technology Co., Ltd. product name ************* Material coding ************* Specifications ********** quantity ***PCS

1 CQASZ20260701617E-01 2 Summary NO. Item Verdict 1 DTS Bandwidth Pass 2 Occupied Channel Bandwidth Pass 3 Maximum conducted output power Pass 4 Maximum power spectral density Pass 5 Band edge measurements Pass 6 Conducted Spurious Emission Pass 7 Emissions in Restricted Bands Pass 8 Duty Cycle Pass 3 Appendix A: DTS Bandwidth Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna 6dB Occupy Bandwidth (MHz) FL (MHz) FH (MHz) Limit (MHz) Verdict 1 NTNV BLE 2402 1Mbps ANT1 0.68 2401.66 2402.34 ≥0.5 Pass 2 NTNV BLE 2440 1Mbps ANT1 0.68 2439.66 2440.34 ≥0.5 Pass 3 NTNV BLE 2480 1Mbps ANT1 0.68 2479.66 2480.34 ≥0.5 Pass 4 NTNV BLE 2402 2Mbps ANT1 1.14 2401.42 2402.57 ≥0.5 Pass 5 NTNV BLE 2440 2Mbps ANT1 1.14 2439.42 2440.57 ≥0.5 Pass 6 NTNV BLE 2480 2Mbps ANT1 1.15 2479.42 2480.57 ≥0.5 Pass 4 Test Graphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps NTNV_BLE_2402_2Mbps 5 NTNV_BLE_2440_2Mbps NTNV_BLE_2480_2Mbps 6 Appendix B: Occupied Channel Bandwidth Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna 99% OBW (MHz) Limit (MHz) FL (MHz) FH (MHz) Verdict 1 NTNV BLE 2402 1Mbps ANT1 1.06 - 2401.46 2402.53 Pass 2 NTNV BLE 2440 1Mbps ANT1 1.04 - 2439.48 2440.52 Pass 3 NTNV BLE 2480 1Mbps ANT1 1.04 - 2479.48 2480.52 Pass 4 NTNV BLE 2402 2Mbps ANT1 1.93 - 2401.04 2402.97 Pass 5 NTNV BLE 2440 2Mbps ANT1 1.95 - 2439.03 2440.98 Pass 6 NTNV BLE 2480 2Mbps ANT1 1.95 - 2479.03 2480.98 Pass 7 Test Graphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps NTNV_BLE_2402_2Mbps 8 NTNV_BLE_2440_2Mbps NTNV_BLE_2480_2Mbps 9 Appendix C: Maximum conducted output power Test Result NO. Test Condition Test Mode Freq (MHz) Detector Antenna Conducted Peak Power (dBm) Conducted Limit (dBm) Verdict 1 NTNV BLE 2402 Peak ANT1 1.96 ≤30 Pass 2 NTNV BLE 2440 Peak ANT1 1.52 ≤30 Pass 3 NTNV BLE 2480 Peak ANT1 1.04 ≤30 Pass 4 NTNV BLE 2402 Peak ANT1 1.80 ≤30 Pass 5 NTNV BLE 2440 Peak ANT1 1.38 ≤30 Pass 6 NTNV BLE 2480 Peak ANT1 0.92 ≤30 Pass 10 Test Graphs NTNV_BLE_2402_1Mbps_Peak NTNV_BLE_2440_1Mbps_Peak NTNV_BLE_2480_1Mbps_Peak NTNV_BLE_2402_2Mbps_Peak 11 NTNV_BLE_2440_2Mbps_Peak NTNV_BLE_2480_2Mbps_Peak 12 Appendix D: Maximum power spectral density Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna Power Spectral Density (dBm/3kHz) Limit (dBm/3kHz) Verdict 1 NTNV BLE 2402 1Mbps ANT1 -12.08 ≤8 Pass 2 NTNV BLE 2440 1Mbps ANT1 -12.42 ≤8 Pass 3 NTNV BLE 2480 1Mbps ANT1 -12.82 ≤8 Pass 4 NTNV BLE 2402 2Mbps ANT1 -14.77 ≤8 Pass 5 NTNV BLE 2440 2Mbps ANT1 -15.15 ≤8 Pass 6 NTNV BLE 2480 2Mbps ANT1 -15.51 ≤8 Pass 13 Test Graphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps NTNV_BLE_2402_2Mbps 14 NTNV_BLE_2440_2Mbps NTNV_BLE_2480_2Mbps 15 Appendix E: Band edge measurements Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna Reference (dBm) Emission Level (dBm) Limit (dBm) Verdict 1 NTNV BLE 2402 1Mbps ANT1 2.76 -44.41 ≤-17.24 Pass 2 NTNV BLE 2480 1Mbps ANT1 2.05 -44.48 ≤-17.95 Pass 3 NTNV BLE 2402 2Mbps ANT1 3.31 -39.30 ≤-16.69 Pass 4 NTNV BLE 2480 2Mbps ANT1 0.14 -44.96 ≤-19.86 Pass 16 Test Graphs NTNV_BLE_2402_1Mbps NTNV_BLE_2480_1Mbps NTNV_BLE_2402_2Mbps NTNV_BLE_2480_2Mbps 17 18 Appendix F: Conducted Spurious Emission Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna Frequency Range (MHz) Ref Level (MHz) Max Power (dBm) Limit (dBm) Verdict 1 NTNV BLE 2402 1Mbps ANT1 Reference 0.1 4.15 / / 30～1000 0.1 -45.72 ≤-15.85 Pass 1000～26500 0.1 -33.81 ≤-15.85 Pass 2 NTNV BLE 2440 1Mbps ANT1 Reference 0.1 3.8 / / 30～1000 0.1 -44.92 ≤-16.20 Pass 1000～26500 0.1 -33.42 ≤-16.20 Pass 3 NTNV BLE 2480 1Mbps ANT1 Reference 0.1 3.21 / / 30～1000 0.1 -44.58 ≤-16.79 Pass 1000～26500 0.1 -33.58 ≤-16.79 Pass 4 NTNV BLE 2402 2Mbps ANT1 Reference 0.1 3.43 / / 30～1000 0.1 -45.36 ≤-16.57 Pass 1000～26500 0.1 -34.06 ≤-16.57 Pass 5 NTNV BLE 2440 2Mbps ANT1 Reference 0.1 2.99 / / 30～1000 0.1 -45.07 ≤-17.01 Pass 1000～26500 0.1 -34.04 ≤-17.01 Pass 6 NTNV BLE 2480 2Mbps ANT1 Reference 0.1 2.53 / / 30～1000 0.1 -44.71 ≤-17.47 Pass 1000～26500 0.1 -33.51 ≤-17.47 Pass 19 Test Graphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps 20 NTNV_BLE_2480_1Mbps 21 NTNV_BLE_2402_2Mbps 22 NTNV_BLE_2440_2Mbps 23 NTNV_BLE_2480_2Mbps 24 25 Appendix G: Duty Cycle Test Result NO. Test Condition Test Mode Freq (MHz) Rate Antenna T_On (ms) Period (ms) Duty Cycyle Correction Factor (dB) Max DC Variation (%) 1 NTNV BLE 2402 1Mbps ANT1 2.14 2.50 0.86 85.55 2 NTNV BLE 2440 1Mbps ANT1 2.14 2.50 0.86 85.55 3 NTNV BLE 2480 1Mbps ANT1 2.14 2.50 0.86 85.55 4 NTNV BLE 2402 2Mbps ANT1 1.08 1.25 0.87 86.70 5 NTNV BLE 2440 2Mbps ANT1 1.08 1.25 0.87 86.70 6 NTNV BLE 2480 2Mbps ANT1 1.08 1.25 0.87 86.70 26 Test Graphs NTNV_BLE_2402_1Mbps NTNV_BLE_2440_1Mbps NTNV_BLE_2480_1Mbps NTNV_BLE_2402_2Mbps 27 NTNV_BLE_2440_2Mbps NTNV_BLE_2480_2Mbps

SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD 102A,102B,Building2,ShanghenglangNewIndustrialZone,ShanghenglangCommunity, DalangStreet,LonghuaDistrict,Shenzhen,Guangdong,People’sRepublicofChina,518000 Telephone:+86-755-26648640 Fax:+86-755-26648637 Website:www.cqa-cert.com ReportTemplateVersion:V06 ReportTemplateRevisionDate:2026-01-30 TestReport Thetestreportiseffectiveonlywithbothsignatureandspecializedstamp,Theresult(s)showninthisreportreferonly tothesample(s)tested.WithoutwrittenapprovalofCQA,thisreportcan’tbereproducedexceptinfull. ReportNo.:CQASZ20260701617E-01 Applicant: UltimeaTechnology(Shenzhen)Limited AddressofApplicant: 20thFloor,Building4,TiananCloudPark,BantianSt.,LonggangDistrict, Shenzhen,China EquipmentUnderTest(EUT): Product: SurroundSpeaker ModelNo.: U4320 TestModelNo.: U4320 BrandName: ULTIMEA FCCID:2A9OO-U4320D Standards:47CFRPart15,SubpartC KDB558074D0115.247MeasGuidancev05r02 ANSIC63.10:2020 DateofReceipt:2026-07-24 DateofTest:2026-07-24to2026-08-11 DateofIssue:2026-8-24 TestResult:PASS* *Intheconfigurationtested,theEUTcompliedwiththestandardsspecifiedabove. TestedBy: (AzirWang) ReviewedBy: (TimoLei) ApprovedBy: (JackAi) SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701617E-01 Page: 2 of 31 1Version RevisionHistoryOfReport ReportNo.Version Description IssueDate CQASZ20260701617E-01Rev.01Initialreport2026-8-24 SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701617E-01 Page: 3 of 31 2TestSummary TestItemTestRequirementTestmethodResult AntennaRequirement 47CFRPart15,SubpartCSection 15.203/15.247(c) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ACPowerLine Conducted Emission 47CFRPart15,SubpartCSection 15.207 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS ConductedPeakOutput Power 47CFRPart15,SubpartCSection 15.247(b)(3) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS 6dBOccupied Bandwidth 47CFRPart15,SubpartCSection 15.247(a)(2) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS PowerSpectralDensity 47CFRPart15,SubpartCSection 15.247(e) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Band-edgeforRF ConductedEmissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RFConductedSpurious Emissions 47CFRPart15,SubpartCSection 15.247(d) ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS RadiatedSpurious Emissions 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS Restrictedbandsaround fundamentalfrequency (RadiatedEmission) 47CFRPart15,SubpartCSection 15.205/15.209 ANSI C63.10- 2020+Cor.1- 2023+C63.10a-2024+ ErratatoC63.10a-2024 PASS SHENZHENHUAXIATESTINGTECHNOLOGYCO.,LTD ReportNo.:CQASZ20260701617E-01 Page: 4 of 31 3Contents Page 1VERSION..........................................................................................................................................................................2 2TESTSUMMARY............................................................................................................................................................3 3CONTENTS......................................................................................................................................................................4 4GENERALINFORMATION...........................................................................................................................................5 4.1CLIENTINFORMATION.................................................................................................................................................5 4.2GENERALDESCRIPTIONOFEUT.................................................................................................................................5 4.3ADDITIONALINSTRUCTIONS........................................................................................................................................7 4.4TESTENVIRONMENT...................................................................................................................................................8 4.5DESCRIPTIONOFSUPPORTUNITS...............................................................................................................................8 4.6TESTCONFIGURATION................................................................................................................................................8 4.7STATEMENTOFTHEMEASUREMENTUNCERTAINTY....................................................................................................9 4.8TESTLOCATION........................................................................................................................................................10 4.9TESTFACILITY..........................................................................................................................................................10 4.10DEVIATIONFROMSTANDARDS................................................................................................................................10 4.11OTHERINFORMATIONREQUESTEDBYTHECUSTOMER..........................................................................................10 4.12EQUIPMENTLIST.....................................................................................................................................................11 5TESTRESULTSANDMEASUREMENTDATA.....................................................................................................12 5.1ANTENNAREQUIREMENT..........................................................................................................................................12 5.2CONDUCTEDEMISSIONS............................................................................................................................................13 5.3CONDUCTEDPEAKOUTPUTPOWER................................................…

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ReportNo.:CQASZ20260701617E 1Photographs-EUTTestSetup 1.1RadiatedSpuriousEmission 9kHz~30MHz: 30MHz~1GHz: FCC ID: 2A9OO-U4320D ReportNo.:CQASZ20260701617E Above1GHz: 1.2 ConductedEmission ReportNo.:CQASZ20260701617E 1.3 RFConductedmeasurement