FCC ID 2AR2STAH4000
Wireless on-ear headphones
by MMD Hong Kong Holding Limited
Grantee Code: 2AR2S Product Code: TAH4000
Latest application date: 2026-04-09
FCC ID Device Details
| FCC ID | 2AR2STAH4000 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AR2S |
| Product Code | TAH4000 |
| Applicant Business | MMD Hong Kong Holding Limited 🇨🇳 |
| Related Domains |  tpv-tech.com |
| Equipment Class | Wireless on-ear headphones |
| Test Firm | Shenzhen UnionTrust Quality and Technology Co., Lt |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-04-09 |
| 2402-2480 MHz | Original Equipment | 2026-04-09 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| TAH4000_UM | Users Manual | 2026-04-09 | PDF 848.1 KB |
| 26022722770_Appendix 2_EUT Internal Photos | Internal Photos | 2026-04-09 | PDF 1.5 MB |
| 26022722770_Appendix 2_EUT External Photos | External Photos | 2026-04-09 | PDF 607.4 KB |
| TAH4000 label | ID Label/Location Info | 2026-04-09 | PDF 715.5 KB |
| 26022722770_APPENDIX 1_FCC Part 15B | Test Setup Photos | 2026-04-09 | PDF 480.4 KB |
| 26022722770_APPENDIX 1_FCC Part 15C | Test Setup Photos | 2026-04-09 | PDF 507.5 KB |
| 26022722770EMC-1_Class B Report | Test Report | 2026-04-09 | PDF 1.4 MB |
| 26022722770RFC-1_EDR Report | Test Report | 2026-04-09 | PDF 4.4 MB |
| 26022722770RFC-2_BLE Report | Test Report | 2026-04-09 | PDF 2.6 MB |
| TAH4000 Antenna Specification | Test Report | 2026-04-09 | PDF 897.2 KB |
| ACB-Covered-List-Attestation | Attestation Statements | 2026-04-09 | PDF 394.7 KB |
| US-Agent-Letter | Attestation Statements | 2026-04-09 | PDF 244.6 KB |
| ACB-FORM-FCC-Application-Letters-Confidentiality-Letter | Cover Letter(s) | 2026-04-09 | PDF 190.5 KB |
| Authorization | Cover Letter(s) | 2026-04-09 | PDF 1.1 MB |
| Letters-Agency-Letter | Cover Letter(s) | 2026-04-09 | PDF 102.4 KB |
| TAH4000Product Similarity Declaration | Cover Letter(s) | 2026-04-09 | PDF 149.7 KB |
| 26022722770RFC-3_SAR Test Exclusion Evaluation Repot | RF Exposure Info | 2026-04-09 | PDF 878.2 KB |
| TAH4000 block diagram Metadata only | Block Diagram | PDF 134.4 KB | |
| TAH4000-SCH Metadata only | Schematics | PDF 181.8 KB | |
| TAH4000 OD Metadata only | Operational Description | PDF 471 KB |
Application Information
| Application ID | cfXPf6Pf3sk8bNcpgwpFHA== |
|---|---|
| Final Action Date | 2026-04-09 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0028068138 |
| Model | TAH4000 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Wireless on-ear headphones |
| Responsible Party | Tomas Guan, tomas.guan@tpv-tech.com , 86-755-36358341 |
| Technical Contact | Billy Li, Shenzhen UnionTrust Quality and Technology Co., Lt, billy.li@uttlab.com  , 075528230888 |
| Non-Technical Contact | Bostwick Gcoff, TPV-USA Corp., geoff.bostwick@tpv-tech.com , 980-890-7523 |
| Test Firm | George Luo, Shenzhen UnionTrust Quality and Technology Co., Lt, quality@uttlab.com , 86-755-28230888 |
| TCB Email | hotline@acbcert.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| 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 |
|---|---|---|
| cfXPf6Pf3sk8bNcpgwpFHA== | 2026-04-09 | Original Equipment |
| YFV+gSODoOUVF5Af0sDpeA== | 2026-04-09 | Original Equipment |
| BevRPmUgZ8SJ/UglzpZUZA== | 2026-04-09 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application YFV+gSODoOUVF5Af0sDpeA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 |
Date of Grant: 04/09/2026 Application Dated: 04/08/2026 |
| MMD Hong Kong Holding Limited |
| Units 1208-11, 12th Floor, C-Bons International |
| Center, 108 Wai Yip Street, Kwun Tong, Kowloon |
| Hong Kong, China |
| Attention: Tomas Guan , Safety & Approbation Manager |
| 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: | 2AR2STAH4000 |
| Name of Grantee: | MMD Hong Kong Holding Limited |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless on-ear headphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00169 |
| Power Output listed is conducted. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application cfXPf6Pf3sk8bNcpgwpFHA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 |
Date of Grant: 04/09/2026 Application Dated: 04/07/2026 |
| MMD Hong Kong Holding Limited |
| Units 1208-11, 12th Floor, C-Bons International |
| Center, 108 Wai Yip Street, Kwun Tong, Kowloon |
| Hong Kong, China |
| Attention: Tomas Guan , Safety & Approbation Manager |
| 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: | 2AR2STAH4000 |
| Name of Grantee: | MMD Hong Kong Holding Limited |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless on-ear headphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00215 |
| Power Output listed is conducted. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application BevRPmUgZ8SJ/UglzpZUZA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 |
Date of Grant: 04/09/2026 Application Dated: 04/08/2026 |
| MMD Hong Kong Holding Limited |
| Units 1208-11, 12th Floor, C-Bons International |
| Center, 108 Wai Yip Street, Kwun Tong, Kowloon |
| Hong Kong, China |
| Attention: Tomas Guan , Safety & Approbation Manager |
| 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: | 2AR2STAH4000 |
| Name of Grantee: | MMD Hong Kong Holding Limited |
| Equipment Class: | Part 15 Class B Digital Device |
| Notes: | Wireless on-ear headphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15B | - |
| This device contains a Bluetooth transmitter. |