SMSL M100 Audio USB DAC AK4452 HiFi Decoder DSD512 Digital Amplifier USB Coaxial Optical Input Analog-to-Digital Converter

Features:
* XMOS 2nd generation USB audio solution. Supports PCM signal up to 32bit/768kHz and native DSD up to DSD512.
* Can be hooked up with smart phones via OTG USB input.
* Two ultra-low phase noise crystal for 44.1/45kHz multiple frequencies.
* High performance 32bit/768kHz DAC (AK4452) for high dynamic range and more details.
* Built-in high-dfficiency power module and lots of low-noise LDOs provide pure power for analog circuit.
* Aux power supply for phones connection.
* Lots of audio grade components, include MELF resistors, NP0 capacitor, Gold-plated jacks.
Note: When using phones to connect the USB, you need to connect a DC 5V power for not making the phone overcurrent. Please do not use Quick-Charge power because the Quick-Charge power may output over 5V.