FCC ID 2AEKH-M18IMAX
Mobile Headphone Amplifier with DAC
by Questyle Audio Technology Co., Ltd
Grantee Code: 2AEKH Product Code: M18IMAX
Latest application date: 2026-01-31
FCC ID Device Details
| FCC ID | 2AEKH-M18IMAX |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AEKH |
| Product Code | M18IMAX |
| Applicant Business | Questyle Audio Technology Co., Ltd 🇨🇳 |
| Related Domains |  questyle.com |
| Equipment Class | Mobile Headphone Amplifier with DAC |
| Test Firm | Shenzhen HongBiao Certification& Testing Co., Ltd |
Linked Records
Barcode records decoded from published FCC label exhibits or linked by an explicit FCC ID reference on a product page.
| UPC / GTIN | Linked product |
|---|---|
| 193838755904 UPC-A · GTIN-14 00193838755904 | Mobile Headphone Amplifier with DAC Brand: Questyle Audio Technology Co., Ltd · Model: M18IMAX Source: FCC label |
| 6972007017272 EAN-13 · GTIN-14 06972007017272 | Mobile Headphone Amplifier with DAC Brand: Questyle Audio Technology Co., Ltd · Model: M18IMAX Source: FCC label |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-01-31 |
| 2402-2480 MHz | Original Equipment | 2026-01-31 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-01-31 | PDF 913.8 KB |
| Internal Photos | Internal Photos | 2026-01-31 | PDF 1.2 MB |
| External Photos | External Photos | 2026-01-31 | PDF 1.1 MB |
| Label and Label location | ID Label/Location Info | 2026-01-31 | PDF 2.5 MB |
| Test Setup Photo | Test Setup Photos | 2026-01-31 | PDF 364.8 KB |
| Test Report | Test Report | 2026-01-31 | PDF 3.3 MB |
| Test Report | Test Report | 2026-01-31 | PDF 4.1 MB |
| Attestation Statements of US Agent for Service of Process, 2.911(d)(7) | Attestation Statements | 2026-01-31 | PDF 63.4 KB |
| Attestation of Covered Equipment, 2.911(d)(5)(i)(ii) | Attestation Statements | 2026-01-31 | PDF 407.7 KB |
| ANT Report | Cover Letter(s) | 2026-01-31 | PDF 1 MB |
| Agent Authorization Letter Template | Cover Letter(s) | 2026-01-31 | PDF 132.6 KB |
| FCC Short & Long Term Confidentiality Request | Cover Letter(s) | 2026-01-31 | PDF 199.3 KB |
| RF Exposure | RF Exposure Info | 2026-01-31 | PDF 1 MB |
| Block Diagram Metadata only | Block Diagram | PDF 808.5 KB | |
| SCH Metadata only | Schematics | PDF 501.2 KB | |
| OPS Metadata only | Operational Description | PDF 573.2 KB |
Application Information
| Application ID | cViqhLGycqwlmnLJpCSE7A== |
|---|---|
| Final Action Date | 2026-01-31 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0024513806 |
| Model | M18IMAX |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Mobile Headphone Amplifier with DAC |
| Responsible Party | Natalie wu, Natalie.wu@questyle.com , 008675582835670 |
| Technical Contact | Questyle Audio Technology Co., Ltd, Natalie.wu@questyle.com |
| Non-Technical Contact | HOPEK CORPORATION INC, HopekPeter@gmail.com  |
| Test Firm | Leo Su, Shenzhen HongBiao Certification& Testing Co., Ltd, engineer01@sz-hongbiao.com  , 13265750412 |
| TCB Email | anezam@qai.org  |
| 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 |
|---|---|---|
| cViqhLGycqwlmnLJpCSE7A== | 2026-01-31 | Original Equipment |
| MI0s/8NE6o7rUn6wZhheZQ== | 2026-01-31 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application MI0s/8NE6o7rUn6wZhheZQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 01/31/2026 Application Dated: 02/02/2026 |
| Questyle Audio Technology Co., Ltd |
| Room No. 13A, Floor 13, Yunsong Building |
| Tairan 8th Road, Chegongmiao, Futian District |
| Shenzhen, 518040 China |
| Attention: Natalie wu , Project 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: | 2AEKH-M18IMAX |
| Name of Grantee: | Questyle Audio Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Mobile Headphone Amplifier with DAC |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0022 |
| Power listed is the maximum conducted output power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application cViqhLGycqwlmnLJpCSE7A==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 01/31/2026 Application Dated: 02/02/2026 |
| Questyle Audio Technology Co., Ltd |
| Room No. 13A, Floor 13, Yunsong Building |
| Tairan 8th Road, Chegongmiao, Futian District |
| Shenzhen, 518040 China |
| Attention: Natalie wu , Project 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: | 2AEKH-M18IMAX |
| Name of Grantee: | Questyle Audio Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Mobile Headphone Amplifier with DAC |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0019 |
| Power listed is the maximum conducted output power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |