APISB510MK23.1 CHANNEL SOUNDBAR WITH BUILT-IN SUBWOOFER

Harman International Industries, Inc Covered Equipment Certification Attestation Letter 2026-05-09 Nemko North America, Inc. 303 River Road Ottawa K1V 1H2 Canada ATTN.: Reviewing Engineer FCC ID:APISB510MK2 Harman International Industries, Inc (“the applicant”) certifies 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. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Harman International Industries, Inc (“the applicant”) certifies 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. Harman International Industries, Inc (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2026-05-09

Harman International Industries, Inc U.S. Agent Designation for Service of Process - Certification Attestation Letter Harman International Industries, Inc 8500 Balboa Boulevard, Northridge, CA 91329, United States Federal Communication Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA 2026-05-09 Attestation Statement according to 2.911(d)(7) FCC ID: APISB510MK2 TO WHOM IT MAY CONCERN: We, Harman International Industries, Inc designate ourselves to act as U.S. agent for service of process. Harman International Industries, Inc hereby acknowledges the obligation of the U.S. agent for service of process. Further Harman International Industries, Inc 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. Sincerely Applicant Signed/ Designated Agent Signed: Signature: Company name: Harman International Industries, Inc FRN: 0024748147 Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Contact Person: Terry Shi Telephone No: 86-75523189391 Email: [email protected]

Harman International Industries, Inc Product Similarity Declaration Product name: 3.1 CHANNEL SOUNDBAR WITH BUILT-IN SUBWOOFER Model name: CINEMA SB510MK2, CINEMA SB511MK2, CINEMA SB512MK2, CINEMA SB513MK2, CINEMA SB514MK2, CINEMA SB515MK2, CINEMA SB516MK2, CINEMA SB517MK2, CINEMA SB518MK2, CINEMA SB519MK2, CINEMA SB530MK2, CINEMA SB531MK2, CINEMA SB532MK2, CINEMA SB533MK2, CINEMA SB534MK2, CINEMA SB535MK2, CINEMA SB536MK2, CINEMA SB537MK2, CINEMA SB538MK2, CINEMA SB539MK2 FCC ID： APISB510MK2 We (Harman International Industries, Inc) hereby state that all the models are electrical identical including the same hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure, only the model number are different. Signature: Name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Place United States, date 2026-05-09

Harman International Industries, Inc 2026-05-09 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 AUTHORITY TO ACT AS AGENT - FCC On our behalf, I appoint Damon Hu, Guangdong Dongdian Testing Service Co.,Ltd.( Unit 2, Building 1, No.17, Zongbu 2nd Road, Songshan Lake Park, Dongguan, Guangdong, China, 523808), to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in FCC regulations will have affixed to it a label identical to that submitted for approval with this application. In signing this letter, Applicant certifies that neither the applicant nor any party to the application is not subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. § 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a "party" for these purposes. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko North America Inc., still resides still resides with us. Sincerely, Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2026-05-09

Harman International Industries, Inc 2026-05-09 Nemko North America, Inc. 303 River Road Ottawa, Ontario, Canada K1V 1H2 REQUEST FOR CONFIDENTIALITY – FCC FCC ID: APISB510MK2 Pursuant to Sections 0.457(d) and 0.459 of the Commission’s Rules and FCC Guidance document 726920, we hereby request permanent confidential treatment of exhibits identified as such in the table below and request they are permanently withheld from public review based on the documents containing trade secrets and proprietary information not customarily released to the public. The public disclosure of this information might be harmful to the applicant and provide unjustified benefits to its competitors. We also request short-term confidentiality on certain exhibits until the intended date of marketing as outlined below. We request the exhibits be withheld from public view for a period of 180 days. We attest marketing of the product will only commence after the period of short-term confidentiality expires, or if marketing is to commence before the requested number of days listed above, the grantee will inform Nemko to release the Short-Term Confidentiality information withheld on the FCC equipment authorization website. Exhibit Type of Confidentiality Requested Block Diagrams ☒ Permanent ☐ Short Term External Photos ------------------ ☒ Short Term Internal Photos ☐ Permanent* ☒ Short Term Operation Description ☒ Permanent ☐ Short Term Parts List & Placement/BOM ☐ Permanent ☐ Short Term Tune-Up Procedure ☐ Permanent ☐ Short Term Schematic Diagrams ☒ Permanent ☐ Short Term Test Setup Photos ------------------ ☒ Short Term User’s Manual ☐ Permanent* ☒ Short Term The asterisked items (*) require further information to be provided in this justification letter before permanent confidentiality will be extended to these exhibits. Please refer to FCC KDB 726920 D01 found at: https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=41731 and review section II, 3) regarding specific information that must accompany these requests. Note: any documents held under the Short-Term confidentiality will automatically become public after the requested time if an appropriate extension request has not been received. Any exhibits (i.e., schematic diagrams) that may have already been requested to have “Permanent” confidentiality as shown above need not be repeated under Short-Term confidentiality request. Sincerely, Signed: Printed name: Terry Shi Title: Senior Prin.Engineer,Regulatory Compliance, Quality Company Name: Harman International Industries, Inc Address: 8500 Balboa Boulevard, Northridge, CA 91329, United States Phone: 86-75523189391 E-Mail: [email protected] Date: 2026-05-09

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE26031213-2E07 TRF No.: RT-4-E-006Page 1 of 7 RF EXPOSURE REPORT Applicant : Harman International Industries, Inc. Address of Applicant : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Manufacturer : Harman International Industries, Inc. Address of Manufacturer : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Equipment under Test : 3.1 CHANNEL SOUNDBAR WITH BUILT-IN SUBWOOFER Model No. : CINEMA SB510MK2, CINEMA SB511MK2, CINEMA SB512MK2, CINEMA SB513MK2, CINEMA SB514MK2, CINEMA SB515MK2, CINEMA SB516MK2, CINEMA SB517MK2, CINEMA SB518MK2, CINEMA SB519MK2, CINEMA SB530MK2, CINEMA SB531MK2, CINEMA SB532MK2, CINEMA SB533MK2, CINEMA SB534MK2, CINEMA SB535MK2, CINEMA SB536MK2, CINEMA SB537MK2, CINEMA SB538MK2, CINEMA SB539MK2 FCC ID : APISB510MK2 Test Standard(s) : KDB447498 D01 General RF Exposure Guidance v06 Report No. : DDT-RE26031213-2E07 Issue Date : 2026/05/24 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-RE26031213-2E07 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 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE26031213-2E07 TRF:RT-4-E-006Page 3 of 7 $!CeMetaLims!digital$ Test Report Declare Applicant : Harman International Industries, Inc. Address of Applicant : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Equipment under Test : 3.1 CHANNEL SOUNDBAR WITH BUILT-IN SUBWOOFER Model No. : CINEMA SB510MK2, CINEMA SB511MK2, CINEMA SB512MK2, CINEMA SB513MK2, CINEMA SB514MK2, CINEMA SB515MK2, CINEMA SB516MK2, CINEMA SB517MK2, CINEMA SB518MK2, CINEMA SB519MK2, CINEMA SB530MK2, CINEMA SB531MK2, CINEMA SB532MK2, CINEMA SB533MK2, CINEMA SB534MK2, CINEMA SB535MK2, CINEMA SB536MK2, CINEMA SB537MK2, CINEMA SB538MK2, CINEMA SB539MK2 Manufacturer : Harman International Industries, Inc. Address of Manufacturer : 8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES 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-RE26031213-2E07 Date of Receipt:2026/03/17Date of Test:2026/03/17~2026/04/25 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: Zoe PengReviewed: Chen Ziqin Approved: Ella Gong 2026/04/252026/05/242026/05/24 Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE26031213-2E07 TRF:RT-4-E-006Page 4 of 7 Revision History VersionRevision ContentIssue DateApproved V0Initial issue2026/05/24Ella Gong Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE26031213-2E07 TRF:RT-4-E-006Page 5 of 7 1. General Test Information 1.1. Description of EUT EUT Name:3.1 CHANNEL SOUNDBAR WITH BUILT-IN SUBWOOFER Model Number: CINEMA SB510MK2, CINEMA SB511MK2, CINEMA SB512MK2, CINEMA SB513MK2, CINEMA SB514MK2, CINEMA SB515MK2, CINEMA SB516MK2, CINEMA SB517MK2, CINEMA SB518MK2, CINEMA SB519MK2, CINEMA SB530MK2, CINEMA SB531MK2, CINEMA SB532MK2, CINEMA SB533MK2, CINEMA SB534MK2, CINEMA SB535MK2, CINEMA SB536MK2, CINEMA SB537MK2, CINEMA SB538MK2, CINEMA SB539MK2 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 CINEMA SB510MK2. EUT Function Description:Please reference user manual of this device Power Supply:AC100-240V~ 50/60Hz 25W Hardware Version:HSB3140 MAIN PCB Software Version:V.1.0 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 cableHarmanN/A Length: ≤2m 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-RE26031213-2E07 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 Subpa…

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深圳市沃莱特电子有限公司 样 品 承 认 书 SAMPLE APPROVAL SHEET 部品信息： 客户（Customer） 广州番禺巨大汽车音响设备有限公司 部品名称（ Material Description ） HSB3140 BT天线 客户料号（ Customer’s Part number ） 部品规格（Specifications） FPC（49*15mm）+黑色同轴线（φ1.13*100mm）+ 一代端子+焊接+UV胶+包海绵 料号（Supplier’s Part number） 01-05-001-****** 送样日期（Date） 2026-1-16 签核： 拟 制 Prepared By 审 核 Checked By 批 准 Approved By 张登桥李岳鹏张相亭 客户签核： 承 认 Accepted By 审 核 Checked By 批 准 Approved By 承认结果： □完全接受（Full Approval） □条件接受（Conditional Approval） □不合格（Unqualified） □其它（Others）: 深圳市沃莱特电子有限公司 Shenzhen World Elite Electronic Co. LTD. 地址：广东省深圳市龙岗区龙盛路8号香玉儿工业园 Add:Xiangyuer Industrial Park, No. 8, Longsheng Road, Longgang Street, Longgang District, Shenzhen, Guangdong, China 电话：0755-89983786 Tel:86-755-89983786 Page 2 目录 1、规格................................................................................3 1.1电气规格标准..............................................................................3 1.1.1电性能指标.......................................................................... ...3 1.1.2匹配电路图...............................................................................3 2、测试..........................................................................................3 2.1无源S11参数的测试....................................................................4 2.1.1测试连接.............................................................................................4 2.1.2无源S11..............................................................................................4 2 .2增益及效率的测试.......................................................................4 2.2.1测试的场地..............................................................................4 2.2.2测试的仪表..............................................................................4 2.2.3测试结果..................................................................................5 2.2.4无源辐射方向图........................................................................5 2 .3有源测试..................................................................................6 2.2.1 OTA测结果..............................................................................6 3、结论...............................................................................7 4、产品结构图纸.............................................................................8 Page 3 1 、规格 本报告主要提供天线 HSB3140 BT 天线 各项电气和结构性能参数的测试状况。 图 1 天 线 1.1 电气规格标准 1.1.1 电性能指标 天线工作频段在 2400-2500MHz 。下表是我司设计天线的电性能的指标 . 1.1.2 匹配电路图 2 、测试 天线用客户提供的样机进行调试及测试。 天线HSB3140 BT天线 频段2400-2500MHz 驻波比< 2 效率> 50% 阻抗50 ohm 极化方式线极化 ElementValue E1(0402)NC E2(0402)0R E3(0402)NC Page 4 2.1 无源 S11 的测试 2.1.1测试连接 无源S11测试装置依次的连接为：网络分析仪→测试线→测试治具。 2.1.2 无源 S11 下表所示为天线工作频段边缘频点的驻波比数值。测试所得的Return Loss, VSWR相关波形 图如下图所示。 频率(MHz)240024502480 VSWR1.351.271.23 Return Loss-16.45-18.41-19.49 2.2增益及效率的测试 2.2.1 测试的场地 微波暗室：测试频率范围为400MHz—6GHz 2.2.2测试的仪表 网络分析仪、标准喇叭天线、多探头近场天线测试系统、测试电脑等。 Page 5 2.2.3 测试结果 在微波暗室中，测试的与效率及增益相关的数值如下表所示 Frequency(MHz)Gain(dBi)Efficency(%) 24003.8554.10% 24103.7253.90% 24203.5853.80% 24303.3252.50% 24403.3652.60% 24503.453.20% 24603.3552.50% 24703.4653.60% 24803.5354.10% 24903.6254.60% 25003.8656.20% 2.2.4 无源辐射方向图 Page 6 2.3 有源测试 2.3.1测试结果 ChannelsTRP(dBm)TIS(dBm) 04.74-92.01 394.24-90.89 784.01-90.11 Page 7 3 、结论 此天线是在客户提供样机基础上设计，上述电性能参数基于测试样机环 境处理条件下测试，电参数和结构性能已达到技术要求，请确认！ Page 8 4 、产品结构图

Guangdong Dongdian Testing Service Co., Ltd. Report No.:DDT-RE26031213-2E02 TRF: RT-4-E-005Page 1 of 93 RADIO TEST REPORT Applicant:Harman International Industries, Inc. Address of Applicant:8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Manufacturer:Harman International Industries, Inc. Address of Manufacturer:8500 Balboa Boulevard, Northridge, CA 91329, UNITED STATES Equipment under Test:3.1 CHANNEL SOUNDBAR WITH BUILT-IN SUBWOOFER FCC Model No.: CINEMA SB510MK2, CINEMA SB511MK2, CINEMA SB512MK2, CINEMA SB513MK2, CINEMA SB514MK2, CINEMA SB515MK2, CINEMA SB516MK2, CINEMA SB517MK2, CINEMA SB518MK2, CINEMA SB519MK2, CINEMA SB530MK2, CINEMA SB531MK2, CINEMA SB532MK2, CINEMA SB533MK2, CINEMA SB534MK2, CINEMA SB535MK2, CINEMA SB536MK2, CINEMA SB537MK2, CINEMA SB538MK2, CINEMA SB539MK2 IC Model No.:CINEMA SB510MK2 FCC ID:APISB510MK2 IC:6132A-SB510MK2 Test Standard(s): FCC Rules and Regulations Part 15 Subpart C, ANSI C63.10-2020, 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-RE26031213-2E02 Issue Date:2026/05/24 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-RE26031213-2E02 TRF: RT-4-E-005Page 2 of 93 Table of Contents 1.Summary of Test Results .............................................................................................8 2.General Test Information..............................................................................................9 2.1.Description of EUT .......................................................................................................9 2.2.Accessories of EUT....................................................................................................10 2.3.Block diagram of EUT configuration for test...............................................................10 2.4.Decision of final test mode .........................................................................................11 2.5.Deviations of test standard.........................................................................................11 2.6.Test environment conditions ......................................................................................11 2.7.Test laboratory ...........................................................................................................11 2.8.Measurement uncertainty...........................................................................................12 3.Equipment Used During Conductive Test ..................................................................13 4.6 dB Bandwidth ..........................................................................................................14 4.1.Block diagram of test setup ........................................................................................14 4.2.Limits ..........................................................................................................................14 4.3.Test procedure ...........................................................................................................14 4.4.Test result...................................................................................................................15 4.5.Test graphs ................................................................................................................16 5.99% Bandwidth ..........................................................................................................19 5.1.Block diagram of test setup ........................................................................................19 5.2.Limits ..........................................................................................................................19 5.3.Test procedure ...........................................................................................................19 5.4.Test result...................................................................................................................20 5.5.Test graphs ................................................................................................................21 6.Maximum Peak Output Power....................................................................................24 6.1.Block diagram of test setup ........................................................................................24 6.2.Limits ..........................................................................................................................24 6.3.Test procedure ...........................................................................................................24 6.4.Test result...................................................................................................................25 6.5.Test graphs ................................................................................................................26 7.Power Spectral Density ..............................................................................................28 7.1.Block diagram of test setup ........................................................................................28 7.2.Limits ..........................................................................................................................28 7.3.Test procedure ...........................................................................................................28 7.4.Test result...................................................................................................................29 7.5.Test graphs ................................................................................................................30 8.Band Edge Compliance (Conducted Method)............................................................33 Guangdong Dongdian Testing Serv…

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