Usb sound card interface usb 20 supported system 20 max sample rate 192 khz line in 1 outputs 2 x rca 1 x headphone inputs 1 x spdif coaxial 1 x spdif design external areas of use recording pro audio sound chip c media cm6631a bitrate 24 bit technology asio 20 signal noise ratio 120 db headphone amplifier 600 supported operating systems mac os x windows 7 windows 8 windows xp windows 10