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Questyle M15 DAC AMP

Questyle M15 was born: it distills all of Questyle’s expertise and technologies into an amazingly powerful compact mobile DAC & AMP.

  • Two independent CMA SiP modules
  • Four total amplification circuits
  • Greater dynamics, Richer details
  • Supports both 3.5mm and 4.4mm
  • CNC machined aluminum housing
  • Stunning transparent cover on top

Don’t be fooled by its small size. The M15 offers uncompromising performance and best-in class fidelity, giving you the ultimate portable audio experience.

Two independent CMA SiP modules
Four total amplification circuits
Greater dynamics, richer details

The M15 contains two of Questyle’s patented CMA (Current Mode Amplification) SiP modules, for a total of four CMA amp engines. This quadruple drive amplification circuitry gives an outstandingly strong output that can drive almost any headphone. Questyle’s Current Mode Amplifiers are characterized by their small footprint, low voltage operation, and minimal power consumption. Current Mode amplification has a naturally low impedance, affording the M15 a bandwidth up to 1MHz, distortion as low as 0.0003%, and the ability to reproduce every detail hidden deep within any track.

3.5mm TRS / 4.4mm TRRS outputs
Manual gain adjustment

Compatible with even more headphones

With its four CMA amp circuits, the M15 supports both unbalanced (3.5mm TRS) and balanced (4.4mm TRRS) outputs. It also has manual gain adjustment via the slider on the side, which makes it easy to choose high/low gain depending on the connected headphone, speaker, or HiFi system.

Impossibly Low Noise Floor, Complete Sonic Immersion

Purest Sound, Anytime, Anywhere

Only a black background can reflect rich color. With itsincredibly low noise floor, the M15 allows all the details of yourmusic faithfully ring true.

Background noise of M15 is lower than -125dB

FFT @1kHz@48kHz(SR)24bit, @3.5mm Po=5.9mW, RL=300ΩData from Audio Precision AP2722

Background noise of M15 is lower than -130dB

FFT @1kHz@48kHz(SR)24bit, @4.4mm Po=23.21mW, RL=300ΩData from Audio Precision AP2722

Top-of-the-Line Decoding

World-Class Digital Analog

The M15 features the highly acclaimed ESS ES9281AC flagshipDAC, which can handle up to PCM384kHz/32bit and DSD256. It’s almost inconceivable that something as small as the M15 can process and reproduce such demanding audio formats.

High-Efficiency Power Management

The M15 features TOREX High-Efficiency Power Management, which could bring out low power consumption, no overheating , longer battery life, longer playback.

The M15 Connects you to the Streaming Era 

The Easiest Way to Enjoy any Hi-Res Lossless Library

The M15 supports almost all music streaming platforms worldwide, including Apple Music, Tidal, QQ Music, among others. It fully supports and decodes ALAC, FLAC, MQA, andother lossless formats.

Unparalleled ease of use, Plug-and-Play


M15 is fully compatible with Android 5.1 and above systems on popular smart phones and tablets.
For PC, it supports Mac OS and Windows 10 version 18.3 and above with no additional driver installation required.

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