Questyle M15 Mobile Hi-Fi Headphone Amplifier with DAC

In this complex world, we pursue simplicity.
The era of 5G has brought music streaming from smart devices fully into the mainstream. As more and more music platforms launch lossless audio streaming services, mobile hi-res audio has changed from a neat gimmick into a real and growingly popular way to enjoy high-fidelity music. However, it’s often impractical to use traditional HiFi audio equipment with your smartphone on-the-go, due to size and power consumption. To solve this problem, the M15 was born: it distills all of Questyle’s expertise and technologies into an amazingly powerful yet compact mobile DAC & amp.

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.

Specs:
- Operating System Required： Android phone and pad: Android 5.0 and above PC: Win10 1803 and above Apple cellphone: iOS (You need to buy an OTG cable for Lightning to Type-C.) Apple computer: mac OS
- DAC Capability： PCM：PCM: 32kHz – 384kHz (16/24/32Bit) DSD： DSD64(1Bit 2.8MHz) , DSD128(1Bit 5.6MHz), DSD256(1Bit 11.2MHz)
- Output Interface： 3.5mm standard headphone jack x1 4.4mm balanced headphone jack x1
- Output Power：
3.5mm:RL=300Ω,Po=11.97mW, Vout(Max)=1.895Vrms,THD+N=0.00045% 4.4mm:RL=300Ω,Po=22.60mW, Vout(Max)=2.624Vrms,THD+N=0.00057%
- Frequency Response： ±0.1dB(20Hz-20kHz)
- THD + N：0.0003%
- DAC：ESS flagship USB DAC chip ES9281AC
- Material：CNC machined aluminum
- Color：Black
- Size：61.8[L] X 27.2[W] X 12[D](mm)
 
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Beyond The Music contact :
0813.7000.9002 / 0813.7000.6807