FCC ID Z8M-NSSB21SW
Wireless Subwoofer
by Zhongshan City Richsound Electronic Industrial Ltd.
Grantee Code: Z8M Product Code: NSSB21SW
Latest application date: 2025-06-12
FCC ID Device Details
| FCC ID | Z8M-NSSB21SW |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | Z8M |
| Product Code | NSSB21SW |
| Applicant Business | Zhongshan City Richsound Electronic Industrial Ltd. 🇨🇳 |
| Related Domains |  richsound.com |
| Equipment Class | Wireless Subwoofer |
| Test Firm | TUV Rheinland (Shenzhen) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-06-12 |
| 2402-2480 MHz | Original Equipment | 2025-06-12 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual_R | Users Manual | 2025-12-08 | PDF 1.5 MB |
| Internal Photos | Internal Photos | 2025-12-08 | PDF 597 KB |
| External Photos | External Photos | 2025-12-08 | PDF 282.6 KB |
| ID Label and Location | ID Label/Location Info | 2025-06-12 | PDF 83.5 KB |
| Test Setup Photos | Test Setup Photos | 2025-12-08 | PDF 325.7 KB |
| Antenna Gain Info | Test Report | 2025-06-12 | PDF 2.3 MB |
| Test Report | Test Report | 2025-06-12 | PDF 4.5 MB |
| Attestation of US Agent | Attestation Statements | 2025-06-12 | PDF 161.9 KB |
| Not Covered Entity Applicant Attestation | Attestation Statements | 2025-06-12 | PDF 65.6 KB |
| Not Covered Equipment Attestation | Attestation Statements | 2025-06-12 | PDF 68.4 KB |
| Agency Letter | Cover Letter(s) | 2025-06-12 | PDF 116.4 KB |
| Confidentiality Letter | Cover Letter(s) | 2025-06-12 | PDF 131.8 KB |
| Declaration on model differnces | Cover Letter(s) | 2025-06-12 | PDF 57 KB |
| RF Exposure Info | RF Exposure Info | 2025-06-12 | PDF 444.7 KB |
| Block Diagram Metadata only | Block Diagram | PDF 51.4 KB | |
| Schematics Metadata only | Schematics | PDF 294.4 KB | |
| Operational Description Metadata only | Operational Description | PDF 109.6 KB |
Application Information
| Application ID | miV92ymby0ATMAHRV+yraA== |
|---|---|
| Final Action Date | 2025-06-12 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0021260401 |
| Model | NSSB21SW |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Wireless Subwoofer |
| Responsible Party | Ci Chen, register1@richsound.com , +86-760-89923619 |
| Agent | Jonathan Jonathan Jonathan, TUV Rheinland (Shenzhen) Co., Ltd, Jonathan.Li@tuv.com  , +8675582681272 |
| Technical Contact | Ci Chen, Zhong Shan City Richsound Electronic Industrial Lt, register1@richsound.com , +86-0760-89923619 |
| Test Firm | Gina Yang, TUV Rheinland (Shenzhen) Co., Ltd., Gina.Yang@tuv.com , 8675582681497 |
| TCB Email | tcb-hotline@tuv.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 12/08/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Power output listed is peak conducted. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| miV92ymby0ATMAHRV+yraA== | 2025-06-12 | Original Equipment |
| P0y6uMVoD0pnhcOMOFt90w== | 2025-06-12 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0069000 |
| 2402-2480 MHz | 0.0062000 |
Grants
TCB Grant - Application P0y6uMVoD0pnhcOMOFt90w==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
TUV Rheinland of North America, Inc. 1279 Quarry Lane Suite A Pleasanton, CA 94566 |
Date of Grant: 06/12/2025 Application Dated: 06/12/2025 |
| Zhongshan City Richsound Electronic Industrial Ltd. |
| No.16, East ShaGang Road, GangKou Town |
| ZhongShan City, GuangDong, 528447, China |
| Zhongshan, China |
| Attention: Ci Chen , |
| 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: | Z8M-NSSB21SW |
| Name of Grantee: | Zhongshan City Richsound Electronic Industrial Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Subwoofer |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0062 |
| Power output listed is peak conducted. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
TCB Grant - Application miV92ymby0ATMAHRV+yraA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
TUV Rheinland of North America, Inc. 1279 Quarry Lane Suite A Pleasanton, CA 94566 |
Date of Grant: 06/12/2025 Application Dated: 06/12/2025 |
| Zhongshan City Richsound Electronic Industrial Ltd. |
| No.16, East ShaGang Road, GangKou Town |
| ZhongShan City, GuangDong, 528447, China |
| Zhongshan, China |
| Attention: Ci Chen , |
| 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: | Z8M-NSSB21SW |
| Name of Grantee: | Zhongshan City Richsound Electronic Industrial Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Subwoofer |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0069 |
| Power output listed is peak conducted. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |