JFZCKS50TW2RWireless Headphones

2024-05-30 JFZCKS50TW2L, JFZCKS50TW2R

Applicant Declaration QSF27-14-04 Rev 1.1 Jan 17, 2024 Page 1 of 1 Original Issue: Jan. 4, 2021 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name Audio-Technica Corporation Address 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 FRN 0028730448 Grantee Code JFZ FCC ID JFZCKS50TW2R Authorized Contact Name Fumio Kamimura Contact Email [email protected] Contact Phone +81-42-7399168 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a)in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b)in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c)if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d)in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e)in accordance with ISO 17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f)neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes 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 47CFR 1.2002(b) for the definition of a “party” for these purposes. g)the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Link to the Covered List: Covered List Audio-Technica Corporation (“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. Audio-Technica Corporation (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered list, established pursuant to §1.50002, as an entity producing “covered” equipment. Applicant Signature: Date: 2024-05-30 Print Name: Fumio Kamimura Title: General Manager, Engineering Planning Division *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 Date : 2024-05-30 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 LETTER FOR AUTHORIZATION FCC ID: JFZCKS50TW2R To whom it may concern: I, the undersigned, hereby authorize SGS Korea Co., Ltd. and hereafter referred to as SGS Korea, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by SGS Korea Co., Ltd. on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing SGS Korea as our agent, we still recognize that we are responsible to: a)comply with the relevant provisions of the certification program; b)make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c)make claims regarding certification only in respect of the scope for which certification has been granted; d)do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e)upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours Name : Fumio Kamimura Title : General Manager, Engineering Planning Division Company Name : Audio-Technica Corporation

Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 Date : 2024-05-30 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 REQUEST FOR CONFIDENTIALITY FCC ID: JFZCKS50TW2R Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules (CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, Audio-Technica Corporation hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short-Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04-1705. This provision will give, Audio-Technica Corporation temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Temporary Confidential exhibits are listed as follows: CONFIDENTIAL LIST Permanent 1 Block Diagram 2 Operational Descriptions 3 Schematics Short-Term 4 External Photos 5 Internal Photos 6 Test-Setup Photos 7 User Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely Yours Name : Fumio Kamimura Title : General Manager, Engineering Planning Division Company Name : Audio-Technica Corporation

ATH-CKS50TW2 SAMPLE LABEL & LOCA TION LABELLING REQUIREMENTS User manual Packaging User manual Packaging The device is very small and has no display. Label information will be placed in the manual and device packaging. ATH-CKS50TW2 (Right) ATH-CKS50TW2 (Left)

S뭔협 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, 15807 Tel. 031-428-5700 I Fax. 031-427-2371 http://www.sgsgroup.kr FCC SAR TEST REPORT Test File No: F690501-RF-SAR000458 --------“----------‘ ------------ Equipment Under Test Wireless Headphones Model Name ATH-CKS50TW2 Applicant Audio-Technica Corporation Page : 1/60 Address of Applicant 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 FCC ID JFZCKS50TW2R Exposure Categorγ General Population/Uncontrolled Exposure Standards FCC 47 CFR Part 2 (2.1093) 正EE1528, 2013 Receipt No. GPRI240‘40아00466SR Date of Receipt 2024-04-22 Date of Test(s) 2024-05-20 ∼ 2024-05-23 Date of Issue 2024-05-28 Test Result PASS, Refer to the Page 04 Measurement Uncertainty Refer to the Page 27 In the configuration tested, the EUT complied with the standards specified above. This test report does not assure KOLAS accreditation. Remarks: 1) The results of this test report are effective only to the items tested. 2) The SGS Korea is not responsible for the sampling, the results of this test report apply to the sample as received. ~ Report prepared by I Jane Lee Test Engineer Approved by I Minh~ukHan Technical Manager Report File No: F690501-RF-SAR0(](]458Date oflssue: 2024-05-28 (All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible at httn://www .sgs.com/en/T erms-and-Conditions.asnx.) SAR7081-04 (2020.12.15)(0) A4 (210mm x 297mm) SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, 15807 Tel. 031-428-5700 / Fax. 031-427-2371 http://www.sgsgroup.kr Page : 2/60 Report File No : F690501-RF-SAR000458 Date of Issue : 2024-05-28 (All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx.) SAR7081-04 (2020.12.15)(0) A4 (210mm x 297mm) Revision history Revision Date of issue Revisions Revised By - May 28, 2024 Initial issue - SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, 15807 Tel. 031-428-5700 / Fax. 031-427-2371 http://www.sgsgroup.kr Page : 3/60 Report File No : F690501-RF-SAR000458 Date of Issue : 2024-05-28 (All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx.) SAR7081-04 (2020.12.15)(0) A4 (210mm x 297mm) Table of Contents 1. Testing Laboratory .................................................................................................................................................... 4 2. Details of Manufacturer ............................................................................................................................................ 4 3. Description of EUT(s) .............................................................................................................................................. 4 4. The Highest Reported SAR Values ........................................................................................................................... 4 5. Test Methodology ..................................................................................................................................................... 5 6. Testing Environment ................................................................................................................................................. 5 7. Specific Absorption Rate (SAR) ............................................................................................................................... 6 7.1. Introduction .................................................................................................................................................. 6 7.2. SAR Definition ............................................................................................................................................. 6 7.3. Test Standards and Limits ............................................................................................................................. 6 8. The SAR Measurement System ................................................................................................................................ 8 9. System Components ................................................................................................................................................. 9 9.1. Probe ............................................................................................................................................................. 9 9.2. SAM Phantom .............................................................................................................................................. 9 9.3. Device Holder ............................................................................................................................................... 9 10. SAR Measurement Procedures ............................................................................................................................... 10 10.1. Normal SAR Measurement Procedure ........................................................................................................ 10 11. SAR System Verification ........................................................................................................................................ 12 12. Maximum Output Power Specifications ※ .............................................................................................................. 13 13. Tissue Simulant Fluid for the Frequency Band ...................................................................................................... 14 14. Instruments List ...................................................................................................................................................... 15 15. FCC Power Measurement Procedures ....................................................…

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SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL005104 Page: 2 of 45 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) INDEX Table of contents 1. General Information -------------------------------------------------------------------------------------- 3 2. Transmitter Radiated Spurious Emissions and Conducted Spurious Emissions ---------- 9 3. 6 ㏈ Bandwidth and 99 % Bandwidth ---------------------------------------------------------------- 31 4. Maximum Peak Conducted Output Power --------------------------------------------------------- 38 5. Power Spectral Density --------------------------------------------------------------------------------- 41 6. Antenna Requirement ----------------------------------------------------------------------------------- 45 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL005104 Page: 3 of 45 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) 1. General Information 1.1. Testing Laboratory SGS Korea Co., Ltd. (Gunpo Laboratory) - 10-2, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 - 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 - Designation number: KR0150 All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx. Phone No. : +82 31 688 0901 Fax No. : +82 31 688 0921 1.2. Details of Applicant FCC Applicant : Audio-Technica Corporation FCC Address : 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 IC Applicant : Audio-Technica Corporation IC Address : 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 Contact Person : Kamimura, Fumio Phone No. : +81 42 739 9128 1.3. Details of Manufacturer Company : Audio-Technica Corporation Address : 2-46-1 Nishi-naruse, Machida, Tokyo, Japan, 194-8666 1.4. Description of EUT Kind of Product Wireless Headphones Model Name ATH-CKS50TW2 Serial Number Conducted: ATH-CKS50TW2_1 Radiated: ATH-CKS50TW2_3 Power Supply DC 3.85 V Frequency Range PHY 1M : 2 402 ㎒ ~ 2 480 ㎒ (Bluetooth Low Energy) PHY 2M : 2 404 ㎒ ~ 2 478 ㎒ (Bluetooth Low Energy) Modulation Technique GFSK Number of Channels PHY 1M : 40 channels (Bluetooth Low Energy) PHY 2M : 37 channels (Bluetooth Low Energy) Antenna Type Monopole Antenna Antenna Gain ※ -0.49 ㏈i H/W Version V1.00 S/W Version V1.00 FVIN N/A HVIN ATH-CKS50TW2R SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL005104 Page: 4 of 45 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) 1.5. Test Equipment List Equipment Manufacturer Model S/N Cal. Date Cal. Interval Cal. Due Signal Generator R&S SMA100B 106887 Oct. 06, 2023 Annual Oct. 06, 2024 Spectrum Analyzer R&S FSV30 103211 Dec. 06, 2023 Annual Dec. 06, 2024 Spectrum Analyzer R&S FSW43 100637 Apr. 08, 2024 Annual Apr. 08, 2025 Spectrum Analyzer Agilent N9020A MY53421758 Sep. 01, 2023 Annual Sep. 01, 2024 Attenuator AEROFLEX / INMET 40AH2W-10 40G-1 Jun. 14, 2023 Annual Jun. 14, 2024 High Pass Filter Wainwright Instrument GmbH WHKX3.0/18G-10SS 21 Jun. 01, 2023 Annual Jun. 01, 2024 High Pass Filter Wainwright Instrument GmbH WHNX7.5/26.5G-6SS 15 Jun. 02, 2023 Annual Jun. 02, 2024 Low Pass Filter Mini-Circuits NLP-1200+ V 8979400903-2 Feb. 07, 2024 Annual Feb. 07, 2025 Power Sensor R&S NRP-Z81 100418 Feb. 07, 2024 Annual Feb. 07, 2025 DC Power Supply R&S HMP2020 019258024 Oct. 31, 2023 Annual Oct. 31, 2024 Preamplifier H.P. 8447F 2944A03909 Aug. 04, 2023 Annual Aug. 04, 2024 Signal Conditioning Unit R&S SCU-18F 101058 Dec. 07, 2023 Annual Dec. 07, 2024 Pre Amplifier MITEQ Inc. JS44-18004000-35-8P 1546891 Oct. 06, 2023 Annual Oct. 06, 2024 Loop Antenna Schwarzbeck Mess-Elektronik FMZB 1519 1519-039 Aug. 21, 2023 Biennial Aug. 21, 2025 Bilog Antenna Schwarzbeck Mess-Elektronik VULB 9163 9163-437 May 31, 2023 Biennial May 31, 2025 Horn Antenna R&S HF906 100326 Feb. 19, 2024 Annual Feb. 19, 2025 Horn Antenna Schwarzbeck Mess-Elektronik BBHA 9170 9170-540 Dec. 05, 2023 Annual Dec. 05, 2024 EMI Test Receiver R&S ESU26 100109 Jan. 16, 2024 Annual Jan. 16, 2025 Turn Table Innco systems GmbH DS 1200 S N/A N.C.R. N/A N.C.R. Controller Innco systems GmbH CONTROLLER CO3000-4P CO3000/963/383 30516/L N.C.R. N/A N.C.R. Antenna Mast Innco systems GmbH MA4640-XP-ET MA4640/536/383 30516/L N.C.R. N/A N.C.R. Anechoic Chamber SY Corporation L × W × H (9.6 m × 6.4 m × 6.6 m) N/A N.C.R. N/A N.C.R. Coaxial Cable SENSORVIEW NMST-13A26-NMST-5 m TPC2402190004 Apr. 03, 2024 Semi- Annual Oct. 03, 2024 Coaxial Cable SENSORVIEW NMST-13A26-NMST-10 m TPC2402190001 Apr. 03, 2024 Semi- Annual Oct. 03, 2024 Coaxial Cable RFONE PL360P-292M292M-1.5M- A 20200324002 Apr. 12, 2024 Semi- Annual Oct. 12, 2024 Note; For equipment listed above that has a calibration date or calibration due date that falls within the test date range, care was taken to ensure that this equipment was used after the calibration date and before the calibration due date SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL005104 Page: 5 of 45 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) 1.6. Summary of Test Results The EUT has been tested according to the following specifications: APPLIED STANDARD: FCC Part 15 Subpart C, RSS-247 Issue 3 and RSS-Gen Issue 5 Section in FCC Section in IC Test Item(s) Result 15.205(a) 15.209 15.247(d) RSS-247 Issue 3 5.5 RSS-Gen Issue 5 8.9 Transmitter Radiated Spurious Emissions and Conducted Spurious Emission Complied 15.247(a)(2) RSS-247 Issue 3 5.2(a) RSS-Gen Issue 5 6.7 6 ㏈ Bandwidth & 99 % Bandwidth Complied 15.247(b)(3) RSS-247 Issue 3 5.4(d) Maximum Peak Conducted Ou…

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