SBVRM058Wireless Smart Speaker

301 Coromar Drive, Goleta, CA 93117 T (+1) 805 965 3001 F (+1) 805 965 3010 www.sonos.com Date: 8/7/2025 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: SBVRM058 Sonos, 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. Sonos, Inc. (“the applicant”) certifies that, the device does not have cybersecurity and / or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant anytime after certification. Sonos, 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 and is not an affiliate or subsidiary of an entity identified on the Covered List. Sincerely, Name: Yuchan Lu Job Title: Compliance Engineer Company Name: SONOS, Inc.

301 Coromar Drive, Goleta, CA 93117 T (+1) 805 965 3001 F (+1) 805 965 3010 www.sonos.com Date: 8/7/2025 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) Agent Designation Attestation FCC ID: SBVRM058 FRN: 0011206661 To whom it may concern: SONOS, Inc. (“t he applicant”) as required by section §2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC ID. The applicant acknowledges that they will 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. The applicant further acknowledges their responsibility under CFR 47 §2.929(c) to inform the FCC whenever the agent information changes. U.S. Agent Information: Yuchan Lu SONOS, Inc. FCC FRN: 0011206661 Yuchan Lu as authorized by Zibo Nelson 301 Coromar Drive, Goleta, CA 93117, USA [email protected] Sincerely yours, Name: Yuchan Lu Job Title: Compliance Engineer Company Name: SONOS, Inc.

Date: 8/1/2025 UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538, USA To whom it may concern: I, the undersigned, hereby authorize UL Verification Services Inc. 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 UL Verification Services Inc. 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. § 862 because of a conviction for possession or distribution of a controlled substance. In authorizing UL Verification Services Inc. as our representative, we still recognize that we are responsible to: a) fulfill the requirements for the scope of certification requested, including implementing any appropriate changes requested by UL Verification Services Telecommunications Certification Body (TCB) and / or the FCC; b) supply any and all information needed for the evaluation of the products for which certification is sought; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) not use our product certification in such a manner as to bring the TCB or FCC into disrepute and to not make any statement regarding product certification which the TCB or FCC may consider misleading or unauthorized; e) discontinue use of all advertising matter that contains any reference thereto and complies with any and all actions required by the FCC upon suspension or cancellation of certification; f) use certification only to indicate that products are certified in conformity with specified standards; g) endeavor to ensure that no certificate or report or any part thereof is used in a misleading manner, and any copies of the grants/certificates shall be reproduced in their entirety; h) comply with the requirements of the TCB and FCC, including the use of marks and label information prescribed for the scope of certification, when making reference to product certification in communication media such as documents, brochure or advertisements; i) comply with the requirements for certification, supply any information needed for evaluation of products to be certified and, where applicable, make provision for the participation of observers; j) ensure that products marketed under the scope of the requested certification continue to comply with the certification requirements; k) provide a sample of a production unit for testing within 30 days of the request should this product be selected as part of either the TCB’s or the FCC’s market surveillance requirements; l) keep a record of all complaints relating to product’s compliance with requirements of relevant standard; make records available to UL or FCC when requested; take appropriate action with respect to such complaints and any deficiencies found in the product that affect compliance with requirements for certification; document the actions taken with respect to complaints and/or deficiencies; m) inform the TCB immediately of any changes that may affect its ability to comply with the certification requirements. This authorization is valid until further written notice from the applicant. Sincerely Yours, Yuchan Lu | Compliance Engineer SONOS, Inc. [email protected]

301 Coromar Drive, Goleta, CA 93117 T (+1) 805 965 3001 F (+1) 805 965 3010 www.sonos.com Date: 8/7/2025 Attn: FCC Office of Engineering and Technology / UL Verification Services TCB Subject: Request for Confidentiality FCC ID: SBVRM058 To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential documents from public disclosure indefinitely. ● Schematic Diagram ● Software Security Statement ● Block Diagram ● Theory of Operation ● S58 Max Power Document ● Antenna Specifications Above mentioned document contains detailed system and equipment description that are considered proprietary information in operation of the equipment. The public disclosure of the above documents might be harmful to our company and would give competitors an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission’s policy, in order to comply with the marketing regulations in 47 CFR §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short-term confidentiality request on the following attachments until May 10, 2026: ● External Photos and Internal Photo ● Test Setup Photos ● User Manual It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Best Regards Yuchan Lu | Compliance Engineer SONOS, Inc.

301 Coromar Drive, Goleta, CA 93117 T (+1) 805 965 3001 F (+1) 805 965 3010 www.sonos.com Date: July 24 th 2025 Federal Communications commission 7435 Okland Mills Road Columbia MD 21046 Subject: Signature Authorization Letter FCC Manufacturer designation: SBV To whom it may concern: I, Zibo Nelson, hereby authorize Yuchan Lu to sign FCC related documents for Sonos, Inc. Sincerely, Name: Zibo Nelson Position: Sr. Manager, Compliance Engineering Place of issue: 301 Coromar Drive, Goleta, CA 93117 USA Date: July 24, 2025 Email: [email protected]

S58 FCC/ISED Region 1 Label and Location (Rear Panel) (Bottom of product) 301 Coromar Drive, Goleta, CA 93117 T (+1) 805 965 3001 F (+1) 805 965 3010 www.sonos.com Name Symbols FCC ID: SBVRM058, IC: 5373A-RM058 sonos.com/ip, Model S58, 15V 3.0A S/N A100 0930W AB-CD-EF-01-23-45:6 PIN: 000-00-000

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Measurement Report for Device, , , UID 0 -, Channel 0 (2450.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 50.0 x 10.0 x 8.0 Dipole Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid , CW, 0-- 2450.000, 0 7.84 1.82 39.8 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 09 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-09, 08:31 2025-07-09, 08:37 psSAR1g [W/kg] 4.74 4.81 psSAR10g [W/kg] 2.22 2.23 Power Drift [dB] -0.00 -0.00 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 81.0 Dist 3dB Peak [mm] 9.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, , , UID 0 -, Channel 0 (2450.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 50.0 x 10.0 x 8.0 Dipole Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid , CW, 0-- 2450.000, 0 7.84 1.82 39.8 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 10 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-10, 08:13 2025-07-10, 08:20 psSAR1g [W/kg] 4.84 4.91 psSAR10g [W/kg] 2.27 2.28 Power Drift [dB] 0.00 -0.02 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 80.9 Dist 3dB Peak [mm] 9.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, , , UID 0 -, Channel 0 (2450.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 50.0 x 10.0 x 8.0 Dipole Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid , CW, 0-- 2450.000, 0 7.84 1.81 39.8 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 13 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-13, 08:05 2025-07-13, 08:12 psSAR1g [W/kg] 4.93 5.02 psSAR10g [W/kg] 2.31 2.33 Power Drift [dB] 0.00 0.00 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 81.1 Dist 3dB Peak [mm] 9.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, , , UID 0 -, Channel 0 (2450.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 50.0 x 10.0 x 8.0 Dipole Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid , CW, 0-- 2450.000, 0 7.84 1.82 39.9 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 24 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-24, 08:06 2025-07-24, 08:13 psSAR1g [W/kg] 5.07 5.15 psSAR10g [W/kg] 2.38 2.39 Power Drift [dB] -0.00 -0.01 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 81.2 Dist 3dB Peak [mm] 9.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, , , UID 0 -, Channel 0 (5250.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 50.0 x 10.0 x 8.0 Dipole Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid , CW, 0-- 5250.000, 0 5.55 4.66 35.2 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 11 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 22.0 x 22.0 x 22.0 Grid Steps [mm] 10.0 x 10.0 4.0 x 4.0 x 1.4 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.4 MAIA N/A N/A Surface Detection VMS + 6p V…

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Measurement Report for Device, EDGE TOP, WLAN 2.4GHz, UID 10012 CAB, Channel 11 (2462.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 200.0 x 100.0 x 80.0 Wireless Smart Speaker Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid EDGE TOP, 5.00 WLAN 2.4GHz WLAN, 10012-CAB 2462.000, 11 7.84 1.82 39.8 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 09 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 140.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-09, 15:19 2025-07-09, 15:26 psSAR1g [W/kg] 0.999 1.02 psSAR10g [W/kg] 0.504 0.511 Power Drift [dB] -0.01 -0.02 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 83.7 Dist 3dB Peak [mm] 11.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, EDGE LEFT, WLAN 2.4GHz, UID 10012 CAB, Channel 11 (2462.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 200.0 x 100.0 x 80.0 Wireless Smart Speaker Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid EDGE LEFT, 5.00 WLAN 2.4GHz WLAN, 10012-CAB 2462.000, 11 7.84 1.82 39.8 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 10 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 80.0 x 100.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-10, 19:20 2025-07-10, 19:32 psSAR1g [W/kg] 0.410 0.384 psSAR10g [W/kg] 0.192 0.166 Power Drift [dB] -0.01 -0.05 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 80.3 Dist 3dB Peak [mm] 6.1 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, EDGE TOP, WLAN 2.4GHz, UID 10012 CAB, Channel 11 (2462.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 200.0 x 100.0 x 80.0 Wireless Smart Speaker Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid EDGE TOP, 5.00 WLAN 2.4GHz WLAN, 10012-CAB 2462.000, 11 7.84 1.82 39.8 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 09 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 140.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-09, 16:22 2025-07-09, 16:29 psSAR1g [W/kg] 1.10 1.11 psSAR10g [W/kg] 0.564 0.575 Power Drift [dB] -0.01 -0.01 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 84.3 Dist 3dB Peak [mm] 11.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, EDGE LEFT, WLAN 2.4GHz, UID 10012 CAB, Channel 11 (2462.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 200.0 x 100.0 x 80.0 Wireless Smart Speaker Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid EDGE LEFT, 5.00 WLAN 2.4GHz WLAN, 10012-CAB 2462.000, 11 7.84 1.82 39.8 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-07- 10 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 240.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-07-10, 18:50 2025-07-10, 18:57 psSAR1g [W/kg] 0.587 0.589 psSAR10g [W/kg] 0.280 0.278 Power Drift [dB] -0.03 -0.01 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 82.2 Dist 3dB Peak [mm] 11.2 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, EDGE TOP, WLAN 5GHz, UID 10544 AAD, Channel 58 (5290.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 200.0 x 100.0 x 80.0 Wireless Smart Speaker Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid EDGE TOP, 5.00 WLAN 5GHz WLAN, 10544-AAD 5290.000, 58 5.55 4.64 34.9 Hardware Setup Phantom TSL, Measur…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. SAR EVALUATION REPORT FCC 47 CFR § 2.1093 IEEE Std. 1528-2013 For Wireless Smart Speaker MODEL NUMBER: S58 REPORT NUMBER: 4791800657.3-1-SAR-1 ISSUE DATE: July 28, 2025 FCC ID: SBVRM058 Prepared for SONOS, INC. 301 COROMAR DR GOLETA CA 93117 UNITED STATES Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com Website: www.ul.com REPORT NO.: 4791800657.3-1-SAR-1 Page 2 of 47 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 July 28, 2025 Initial Issue \ Note: 1) This test report is only published to and used by the applicant. 2) The measurement result for the sample received is <Pass> according to < IEEE Std. 1528>when <Simple Acceptance> decision rule is applied. REPORT NO.: 4791800657.3-1-SAR-1 Page 3 of 47 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Table of Contents 1. Attestation of Test Results ........................................................................................................... 5 2. Test Specification, Methods and Procedures ............................................................................. 6 3. Facilities and Accreditation .......................................................................................................... 7 4. SAR Measurement System & Test Equipment ............................................................................ 8 4.1. SAR Measurement System ................................................................................................................ 8 4.2. SAR Scan Procedures ........................................................................................................................ 9 4.3. Test Equipment ................................................................................................................................. 11 5. Measurement Uncertainty ........................................................................................................... 12 6. Device Under Test (DUT) Information ........................................................................................ 13 6.1. DUT Description ............................................................................................................................... 13 6.2. Wireless Technology ........................................................................................................................ 13 7. Conducted Output Power Measurement and tune-up tolerance ............................................. 14 7.1. Test Results of 2.4GHz Wi-Fi ........................................................................................................... 14 7.2. Test Results of 5GHz Wi-Fi .............................................................................................................. 16 7.3. Test Results of BT ............................................................................................................................ 25 7.4. Duty Cycle ........................................................................................................................................ 26 8. Test Configuration ....................................................................................................................... 27 8.1. Wi-Fi Test Configuration ....................................................................................................................... 27 8.1.1. Initial Test Position Procedure ...................................................................................................... 27 8.1.2. Initial Test Configuration Procedure .............................................................................................. 27 8.1.3. Sub Test Configuration Procedure ................................................................................................ 27 8.1.4. 2.4GHz Wi-Fi SAR Test Procedures ............................................................................................. 27 8.1.5. 5GHz Wi-Fi SAR Test Procedures ................................................................................................ 28 8.2. 2.4GHz BT SAR Test Requirements .................................................................................................... 29 8.3. Repeated measurements ..................................................................................................................... 29 9. RF Exposure Conditions ............................................................................................................. 30 10. Dielectric Property Measurements & System Check ................................................................ 31 10.1. Dielectric Property Measurements .................................................................................................... 31 10.2. System Check ................................................................................................................................... 33 11. Measured and Reported (Scaled) SAR Results ......................................................…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C TEST REPORT For S58 MODEL NUMBER: S58 REPORT NUMBER: 4791800657.3-1-RF-2 ISSUE DATE: August 22, 2025 FCC ID: SBVRM058 Prepared for SONOS, INC. 301 COROMAR DR GOLETA CA 93117 UNITED STATES Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4791800657.3-1-RF-2 Page 2 of 99 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 August 22, 2025 Initial Issue REPORT NO.: 4791800657.3-1-RF-2 Page 3 of 99 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC 15.203 Pass AC Power Line Conducted Emission ANSI C63.10-2020 Clause 6.2 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020 Clause 7.8.5 FCC 15.247 (b) (1) Pass 20 dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020 Clause 6.9.2 & 6.9.3 FCC 15.247 (a) (1) Pass Carrier Hopping Channel Separation ANSI C63.10-2020 Clause 7.8.2 FCC 15.247 (a) (1) Pass Number of Hopping Frequency ANSI C63.10-2020 Clause 7.8.3 15.247 (a) (1) III Pass Time of Occupancy (Dwell Time) ANSI C63.10-2020 Clause 7.8.4 15.247 (a) (1) III Pass Conducted Bandedge and Spurious Emission ANSI C63.10-2020 Clause 6.10.4 & Clause 7.8.7 FCC 15.247 (d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020 Clause 6.3 & 6.5 & 6.6 & 7.8.8 FCC 15.247 (d) FCC 15.209 FCC 15.205 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C> when <Simple Acceptance> decision rule is applied. REPORT NO.: 4791800657.3-1-RF-2 Page 4 of 99 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 6 2. TEST METHODOLOGY ......................................................................................................... 7 3. FACILITIES AND ACCREDITATION ..................................................................................... 7 4. CALIBRATION AND UNCERTAINTY ................................................................................... 8 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 8 4.2. MEASUREMENT UNCERTAINTY ............................…

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