Features:
>Questyle’s patented CMA modules.
>Four total amplification engines.
>Flagship-grade ES9281AC Sabre DAC chip.
>Dual Headphone Output Ports(3.5mm Single-Ended+4.4mm balanced).
>High-res PCM, DSD, and MQA signal support.
>Ultimate clean output performance with ultra-low noise floor.
>Class leading ultra-low Distortion.
>Two-level gain switch.
>LED indicators for gain and active bitrate.
>Low power consumption TOREX power chip.
>True High-Res Lossless experience.
>Minimalistic design with metal housing and transparent cover.
>Supports multiple devices including Smartphones, Tablets, Windows, and Mac systems.
Technical Specs:
>Decoding Parameters: PCM 32-Bit/384kHz, DSD256.
>Output Interface: 3.5mm single-ended, 4.4mm balanced.
>Output Power(3.5mm): 11.97mW @ 300Ω, Vout(max): 1.895Vrms.
>Output Power(4.4mm): 22.60mW @ 300Ω, Vout(Max): 2.624Vrms.
>Frequency Response: 20Hz-20kHz±0.1dB.
>THD+N: 0.0003%.
>Dimensions: 61.8x27.2x12mm.
Meet the all-new Questyle M15, a premium USB DAC/AMP from the house of Questyle. M15 features class-leading performance with flagship-grade ES9281AC DAC chipset and Questyle's patented CMA(current mode amplification) circuitry that helps it to achieve class-leading performance!!
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Specifications
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 &THD
Frequency Response: ±0.1dB(20Hz-20kHz)
THD + N：0.0003%
DAC：ESS flagship USB DAC chip ES9281AC
Appearance
Material：CNC machined aluminum
– Color：Black
– Size：61.8[L] X 27.2[W] X 12[D](mm)
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