SMSL M3 HiFi Headphone Amplifier USB DAC AMP Multi-function Optical Coaxial Headphone Amplifier Portable USB Powered Audio Decoder Portable DAC Converter

Features:
* SMSL M3 headphone amplifier helps you achieve better sound quality.
* Supports USB Optical Coaxial inputs, RCA analog and 6.35mm headphone port outputs.
* Equipped with the CS4398 DAC chip, it has a 24 bit/192 kHz sample rate via optical and coaxial, and a 24 bit/96 kHz sample rate via USB.
* Big power headphone amplifier can drive various types of earphones from 32 ohms to 300 ohms.
* M3 can be powered by your computer, Android phone, or Android tablet using the included Micro-USB to Micro-USB cable.
* For iPhone and for iPad, they may need DC5V power supply depend on output current from your phone.
* Volume knob and science Industrial intuitive power switch make it flexible and convenient to operate.
* Aluminum-shielded case prevents external interference noise from the audio device.
* Fashionable appearance, lightweight and portable, easy to carry anywhere.