---
product_id: 635194441
title: "Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops"
brand: "questyle"
price: "277933CFA"
currency: XOF
in_stock: true
reviews_count: 5
category: "Questyle"
url: https://www.desertcart.sn/products/635194441-questyle-m15i-headphone-amplifier-mfi-certified-portable-usb-dac-amps
store_origin: SN
region: Senegal
---

# Patented CMA tech, low power & heat Dual 4.4mm balanced & 3.5mm outputs Ultra low distortion 0.0003% Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops

**Brand:** questyle
**Price:** 277933CFA
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game—because your ears deserve the best.

## Quick Answers

- **What is this?** Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops by questyle
- **How much does it cost?** 277933CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/635194441-questyle-m15i-headphone-amplifier-mfi-certified-portable-usb-dac-amps)

## Best For

- questyle enthusiasts

## Why This Product

- Trusted questyle brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Audiophile-grade Clarity:** Experience pristine lossless sound up to PCM 768kHz/DSD512 for every note and nuance.
- • **Compact & Portable Design:** Lightweight metal build fits your on-the-go lifestyle without compromising high-fidelity performance.
- • **Universal Device Compatibility:** Seamlessly pairs with iOS, Android 5.1+, Harmony OS, Windows 10+, and more—your music, your way.
- • **Powerful Patented Amplification:** Questyle’s patented CMA tech delivers ultra-low distortion and wide impedance support (8-600Ω) for flawless headphone synergy.
- • **Flexible Dual Outputs & Gain Control:** Switch effortlessly between 3.5mm single-ended and 4.4mm balanced outputs with manual gain adjustment tailored to your headphones.

## Overview

The Questyle M15i is a portable, MFi-certified USB DAC headphone amplifier featuring patented Current Mode Amplifier technology for ultra-low distortion and wide impedance compatibility. It supports high-resolution audio formats up to PCM 768kHz and DSD512, offers dual 3.5mm and 4.4mm outputs with manual gain control, and works seamlessly across smartphones, PCs, and laptops, delivering premium lossless audio anytime, anywhere.

## Description

M15i allows audiophiles to enjoy lossless audio from streaming platforms anytime, anywhere, works well with traditional HiFi headphones. It ensures the best immersive audio experience.

Review: Powerful little DAC - I use this to drive my focal clear mg headphones. I have used 4 other dacs. This is the best. It’s got plenty of power, sound great and has a very wide soundstage. Love it!
Review: Excelente - Chulada de dac/amp, para mover tus audífonos no tan demandantes está excelente si requieres mover algo más grande esta no es tu opción

## Features

- [Widely Compatibility] ：Workable well with computers, Smartphones, and Laptops.High compatibility with iOS, Harmony OS, Android versions 5.1+ and Windows 10+ version, enables you enjoy your lossless Music with your preferred device anytime, anywhere.[Important] If there is a device incompatibility issue, please contact us and we can resolve it for you.
- [Patented AMP design] ：Questyle patented Current Mode Amplifier “CMA” technology (Global PCT Patent Number: US 9,614,483 B2), enables the small device unbeatable performance: low power consumption and heat generation; large bandwidth up to 1MHz, ultra low distortion to 0.0003% and wide range impedance adaptive 8ohm ~ 600ohm, it works with most of the headphones in the market perfectly.
- [Dual Outputs] ：The M15i, equipped with four CMA engines, supports 3.5mm single-ended and 4.4mm fully balanced output. It also features manual gain adjustment, allowing users to choose the gain mode according to personal preferences, headphone characteristics, or the audio system, making it suitable for a wide range of apps and devices.
- [Lossless Sound Processing] ：The M15i features with ESS flagship DAC ES9281AC, the Powerful M15i perfectly handles any signal formats up to PCM768kHz/32bit and DSD512.
- [What You Get] : M15i USB DAC Headphone Amp x1, Type-C to Type-C cable x1,Type-C to USB-A Converter x1, user manual x1, and friendly customer service.If you have any questions, please contact us and we will solve them for you.
- 【Note】：When connecting to Lightning interface devices,you can purchase an additional Questyle LTC02 Lightning to Type-C adapter that has been officially certified by Apple MFi.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CK71PX43 |
| Additional Features | Lightweight |
| Age Range Description | Adult |
| Antenna Location | Music, Gaming, Calling |
| Audio Driver Type | Dynamic Driver |
| Brand | Questyle |
| Built-In Media | Cable |
| Cable Features | Detachable |
| Carrying Case Color | Black |
| Color | Black |
| Colour | Black |
| Compatible Devices | Smartphones, Tablets, PCs, Laptops |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Touch Control |
| Controller Type | Wired |
| Customer Package Type | FFP |
| Customer Reviews | 4.1 out of 5 stars 129 Reviews |
| Ear placement | In Ear |
| Earpiece Shape | Rounded Tips |
| Enclosure Material | Metal |
| Form factor | In Ear |
| Frequency Range | 20 Hz - 20,000 Hz |
| Headphone Folding Features | In Ear |
| Headphone Jack | USB Type C |
| Headphones Ear Placement | In Ear |
| Impedance | 90 Ohms |
| Is Autographed | No |
| Item Weight | 0.1 Kilograms |
| Manufacturer | Questyle |
| Model Name | M15i |
| Model Number | M15i |
| Noise Control | None |
| Noise control | None |
| Number of Items | 1 |
| Number of Power Levels | 2 |
| Sensitivity | 90 Ohm |
| Series Number | 15 |
| Specific Uses For Product | High-fidelity audio playback |
| Style Name | Minimalist |
| Theme | High-Fidelity Audio |
| UPC | 799194388246 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | [Wired] |

## Product Details

- **Brand:** Questyle
- **Colour:** Black
- **Ear placement:** Over Ear
- **Form factor:** In Ear
- **Impedance:** 90 Ohms

## Images

![Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops - Image 1](https://m.media-amazon.com/images/I/61qWsqUbwNL.jpg)
![Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops - Image 2](https://m.media-amazon.com/images/I/81g-tb7JPKL.jpg)
![Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops - Image 3](https://m.media-amazon.com/images/I/91JUiH3PVBL.jpg)
![Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops - Image 4](https://m.media-amazon.com/images/I/71JLdrVmRyL.jpg)
![Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops - Image 5](https://m.media-amazon.com/images/I/71HKbM2ttsL.jpg)

## Questions & Answers

**Q: Would this be compatible with iPhone or Android device?**
A: Fullly Compatible with Devices & Music Platforms, support ios/mac OS/Android/Windows.Plug and Play, no need any driver or setting.

**Q: What should you do if the M15i suddenly stops working?**
A: If your M15i suddenly stops working, it may be because the firmware is missing. You can download the firmware to update the M15i.

**Q: Does this product work with micphone?**
A: Sorry, it can't work with micphone.

**Q: Does this product work for a car's 3.5mm headphone jack?**
A: If you want to use our M15i in your car,you need to buy a 3.5mm to 3.5mm OTG cables.

**Q: Does this product work with 250 ohm impedence headphone?**
A: Of course it dose,our M15i can work with 8Ω-600Ω impedence headphone perfectly.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Powerful little DAC
*by S***N on 3 December 2025*

I use this to drive my focal clear mg headphones. I have used 4 other dacs. This is the best. It’s got plenty of power, sound great and has a very wide soundstage. Love it!

### ⭐⭐⭐⭐⭐ Excelente
*by C***N on 12 March 2026*

Chulada de dac/amp, para mover tus audífonos no tan demandantes está excelente si requieres mover algo más grande esta no es tu opción

### ⭐⭐⭐⭐⭐ Feliz com a minha aquisição.
*by E***A on 26 November 2025*

Produto de extrema qualidade. Satisfeitíssimo.

## Frequently Bought Together

- Questyle M15i Headphone Amplifier [MFi Certified] Portable USB DAC Amps with 4.4mm and 3.5mm Dual Outputs Supports PCM 768kHz/DSD512 High Resolution Lossless for Smartphones/PC/Laptops
- Questyle USB C DAC OTG Cable 1.2m,4ft Audio Adapter for iPhone 13/12/11/X/8/7/6/Plus, iPad Pro/Air/Mini, iOS15 to Type C Male Adaptor(Only fit for Amplifier M12i M15i)
- M15i Headphone Amps USB DAC Case

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**Shop now:** [https://www.desertcart.sn/products/635194441-questyle-m15i-headphone-amplifier-mfi-certified-portable-usb-dac-amps](https://www.desertcart.sn/products/635194441-questyle-m15i-headphone-amplifier-mfi-certified-portable-usb-dac-amps)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-09*