Usb sound card interface usb 20 supported system 20 max sample rate 96 khz line output 1 line in 1 outputs 2 x rca 1 x headphone 1 x tos link optical inputs 2 x cinch 1 x tos link design external areas of use gaming home entertainment pro audio sound chip creative x fi bitrate 24 bit eax format eax advanced hd technology sbx pro studio signal noise ratio 114 db headphone amplifier 330 supported operating systems windows 7 windows 8 windo