32bit/192kHz, CM6631A USB to SPDIF convertor (COAX OPT ) for DAC

Window need driver.
Window 10, Mac system no need driver, self detect.

Product feature:

1. NEW VERSION

2. CM6631a support 16/24/32Bit and 44.1K/48K/88.2K/96K/176.4K/192KHz

3. can supply with external power: 
    1) AC 6V-12V, DC8V-14V auto regulate , no need to specify polarity. Or

4. Size: 67 x 90 x 33mm.

5. INPUT: USB2.0

6. OUTPUT: COAX OPT

 PCB Size : 67 X 90 X 33mm 
USB chip: CM6631
Input : USB 2.0
Output : Digital - RCA SPDIF