Questyle M15i MFI Mobile Headphone Amplifier with DAC

Users value significantly the portability of smart devices nowadays in the 5G era. As various music apps with a large user base have launched lossless audio format libraries, mobile high-resolution
lossless audio has transitioned from a trend to the mainstream. The enormous size and power consumption of traditional HiFi audio products are harder to use with smart devices compared to portable audio products.

Questyle's second-generation mobile dongle DAC, the M15i, provides a great example of our tech achievements over the past decade. 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.

"i" in M15i indicates that it has been certified by Apple's MFi program. MFi certification ensures perfect compatibility with iPhone/iPad and the Apple ecosystem. It meets Apple's strict requirements for external devices in terms of power consumption and compatibility, avoiding the risk of damage to phones and systems caused by arbitrary connections of USB devices.

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=0.0003% 4.4mm:RL=300Ω,Po=22.60mW, Vout(Max)=2.624Vrms,THD+N=0.0003%
- Frequency Response： ±0.1dB(20Hz-20kHz)
- THD + N: 0.0003%
- DAC: ESS flagship USB DAC chip ES9281AC
- Material: CNC Anodized Aluminum Alloy
- 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