10 comes with a driver, and the interface is friendly and easy to operate. CM6631A supports 384K sampling, which is the highest sampling standard. the latest 4490 for high-performance optimization. Hardware support for 32-bit 384K digital sampling and analog signal output. Input signal: USB, compatible with Computer, XP, 7, 8.1 above need to install the driver. 10 comes with a driver. Output signal: Coaxial output + Analog stereo signal output. In order to match the high-performance high-performance optimization, the latest 4490 . Using hardware support 32-bit 384K digital sampling, analog signal output. Color: As Shown Material: PCB Package Contents: 1 xDAC Decoder Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.