FCC ID SBVRM052
Wireless Headphone
by Sonos, Inc.
Grantee Code: SBV Product Code: RM052
Latest application date: 2026-08-10
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5745-5825 MHz | Original Equipment | 2026-08-10 |
| 2402-2480 MHz | Original Equipment | 2026-08-10 |
| 2412-2462 MHz | Original Equipment | 2026-08-10 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| S52A_Label_Artwork_Screw Cover_MP_27Mar2026 | ID Label/Location Info | 2026-08-10 | PDF 898.9 KB |
| 4792176316-1-RF-1-BLE&QHS FCC ISED_Part1 | Test Report | 2026-08-10 | PDF 4.8 MB |
| 4792176316-1-RF-1-BLE&QHS FCC ISED_Part2 | Test Report | 2026-08-10 | PDF 3.9 MB |
| 4792176316-1-RF-2-BT FCC ISED | Test Report | 2026-08-10 | PDF 5.4 MB |
| 4792176316-1-RF-3-WIFI 2.4G FCC ISED | Test Report | 2026-08-10 | PDF 4.3 MB |
| 4792176316-1-RF-4-WIFI 5G FCC&ISED | Test Report | 2026-08-10 | PDF 4.4 MB |
| S52A_Antenna_Specification-2026-06-10 | Test Report | 2026-08-10 | PDF 1.6 MB |
| Attestation Letter for Client devices without radar detection | Attestation Statements | 2026-08-10 | PDF 255.3 KB |
| FCC 2.911[d][5] Attestation-20260803 | Attestation Statements | 2026-08-10 | PDF 197.4 KB |
| FCC Agent for service Attestation from Applicant-as-Agent | Attestation Statements | 2026-08-10 | PDF 293.8 KB |
| FCC Request for Confidentiality Letter [Long and Short Term] | Cover Letter(s) | 2026-08-10 | PDF 131.2 KB |
| FCC agent auth letter | Cover Letter(s) | 2026-08-10 | PDF 364.9 KB |
| Hogan He Auth letter for SBV | Cover Letter(s) | 2026-08-10 | PDF 64.7 KB |
| 4792176316-1-SAR-1_App B System Check Plots | RF Exposure Info | 2026-08-10 | PDF 239.5 KB |
| 4792176316-1-SAR-1_App C Highest Test Plots | RF Exposure Info | 2026-08-10 | PDF 562.1 KB |
| 4792176316-1-SAR-1_App D Cal. Certificates | RF Exposure Info | 2026-08-10 | PDF 5 MB |
| 4792176316-1-SAR-1_FCC SAR Report | RF Exposure Info | 2026-08-10 | PDF 1,013.5 KB |
| S52A_ drafter User manual Metadata only | Users Manual | 2027-02-06 | PDF 176.1 KB |
| S52A_Sonos-Roundhouse-NA-Insert Metadata only | Users Manual | 2027-02-06 | PDF 117.3 KB |
| EUT Photo_Internal Metadata only | Internal Photos | 2027-02-06 | PDF 2.4 MB |
| EUTPhoto_External Metadata only | External Photos | 2027-02-06 | PDF 1.1 MB |
| 4792176316-1-SAR-1_App A Photo Metadata only | Test Setup Photos | 2027-02-06 | PDF 462.9 KB |
| S52A_DVT_Antenna test report_V2_20260529_setup photos Metadata only | Test Setup Photos | 2027-02-06 | PDF 2.9 MB |
| Test Setup Photo Metadata only | Test Setup Photos | 2027-02-06 | PDF 781.1 KB |
| S52A_RF diagram_Roundhouse Metadata only | Block Diagram | PDF 122.4 KB | |
| S52A_block_diagram_FCC&IC_20260422 Metadata only | Block Diagram | PDF 867.9 KB | |
| S52A_DVT_Schematic_L&R&TypeC_20260422_Part1 Metadata only | Schematics | PDF 4 MB | |
| S52A_DVT_Schematic_L&R&TypeC_20260422_Part2 Metadata only | Schematics | PDF 3.2 MB | |
| S52A_FPC_Schematic_20260422 Metadata only | Schematics | PDF 957.3 KB | |
| S52A Operation Description-Roundhouse_revised_0610 Metadata only | Operational Description | PDF 298.7 KB | |
| S52A_KDB_594280_D02_v01r03_U-NII_Device_SW_Security_Statement_filled Metadata only | SDR Software/Security Info. | PDF 134.3 KB |
Application Information
| Application ID | LaGFKJn9IvknQyHNCPjo8Q== |
|---|---|
| Final Action Date | 2026-08-10 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0011206661 |
| Model | RM052 |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | Wireless Headphone |
| Responsible Party | Zibo Nelson, zibo.nelson@sonos.com  , (805)-965-3001 |
| Technical Contact | Soledad Kuwatani, UL Verification Services Inc., soledad.u.kuwatani@ul.com  , 5103194263 |
| Non-Technical Contact | Zibo Nelson, Sonos, Inc., zibo.nelson@sonos.com |
| Test Firm | Stephen Guo, UL Verification Services (Guangzhou) Co., Ltd., Stephen.guo@ul.com , 86-0769-33817120 |
| TCB Email | LST.FRE.CertNotice@ul.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| LaGFKJn9IvknQyHNCPjo8Q== | 2026-08-10 | Original Equipment |
| 6K3tmNGk7ZLTksRL9cVdGg== | 2026-08-10 | Original Equipment |
| 1O2uL+Y1pCxVA+LRppiuLQ== | 2026-08-10 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application LaGFKJn9IvknQyHNCPjo8Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538 |
Date of Grant: 08/10/2026 Application Dated: 08/03/2026 |
| Sonos, Inc. |
| 301 COROMAR DR. |
| GOLETA, CA 93117 |
| Attention: Zibo Nelson , Senior Manager, Compliance Engineering |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | SBVRM052 |
| Name of Grantee: | Sonos, Inc. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Wireless Headphone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.046 | ||
| CC | 15E | 5260.0 - 5320.0 | 0.042 | ||
| CC | 15E | 5500.0 - 5720.0 | 0.057 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.041 |
| Power output listed is conducted. This device supports 20 MHz channel bandwidth for 802.11 operations. The highest reported SAR for head, extremity and simultaneous exposure conditions are 0.58 W/kg, 0.28 W/kg(10g) and 0.95 W/kg/ 0.34W/kg (10g), respectively. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 6K3tmNGk7ZLTksRL9cVdGg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538 |
Date of Grant: 08/10/2026 Application Dated: 08/03/2026 |
| Sonos, Inc. |
| 301 COROMAR DR. |
| GOLETA, CA 93117 |
| Attention: Zibo Nelson , Senior Manager, Compliance Engineering |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | SBVRM052 |
| Name of Grantee: | Sonos, Inc. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Headphone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.026 |
| Power output listed is conducted. The highest reported SAR for head, extremity and simultaneous exposure conditions are 0.37 W/kg, 0.16 W/kg(10g) and 1.58 W/kg/ 0.55W/kg (10g), respectively. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 1O2uL+Y1pCxVA+LRppiuLQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
UL Verification Services Inc. 47173 Benicia Street Fremont, CA 94538 |
Date of Grant: 08/10/2026 Application Dated: 08/03/2026 |
| Sonos, Inc. |
| 301 COROMAR DR. |
| GOLETA, CA 93117 |
| Attention: Zibo Nelson , Senior Manager, Compliance Engineering |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | SBVRM052 |
| Name of Grantee: | Sonos, Inc. |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Headphone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0057 | ||
| CC | 15C | 2404.0 - 2478.0 | 0.0056 | ||
| CC | 15C | 2404.0 - 2478.0 | 0.025 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.087 |
| Power output listed is conducted. This device supports 20 MHz channel bandwidth for 802.11 operations. The highest reported SAR for head, extremity and simultaneous exposure conditions are 1.22 W/kg, 0.50 W/kg(10g) and 1.58 W/kg/ 0.55W/kg(10g), respectively. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |