This USB DAC and Headphone Amplifier has nothing to envy to the high-end competitors of the market. 
 This SMSL M6 is designed around an AK4390EF converter and a C-Media CM6631A Asynchronous USB interface to get the most out of your high fidelity audio sources.
This small concentrate of effective technology is above all pleasant and powerful.
Characteristics :
- DAC AK4390EF
 - Interface USB 2.0 Asynchronous CM6631A
 - Supports files up to 32bit 192kHz (including 88.2kHz)
 - Noise Ratio: 120dB
 - Dynamic range: 115dB
 - THD + D: <0.003%
 - Supported impedances: 32 - 300 Ohms
 - Output Power: 130mW at 32 Ohms, 120mW at 300 Ohms
 - Output Voltage: 2Vrms
 - USB 2.0 port
 - Inputs: Coaxial SPDIF, Optical Toslink
 - Stereo RCA output
 - Headphone Jack 6.35mm
 - Chassis 100% Aluminum anodized Black
 - Dimensions: 140x114x34mm
 - Weight: 800g
 - Power supply 9V DC included
 - Supplied with: 1 USB-A to USB-B cable
 
 
 
 
 
 
 
 
 