<p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Features: </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Support AES/EBU,IEC60958,S/PDIF </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Support 5.1 channel,7.1 channel. Can be connected to 5.1 speakers </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Up to 48KHz sampling rate, support 32KHz/44KHz/48KHz digital recording function. </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Sound card optical output only supports 48KHz sample rate, so DTS-CD is 44KH need to be converted to listen to </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Support Win98/ME/2000/XP/VISTA/WIN7/WIN8/MAC OS9.1 (MAC can only use 2-channel) </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Full-duplex audio stream playback and recording without PC built-in sound card </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">USB 2.0 is backward compatible with USB 1.1; </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Compatible with Audio Device Specification V1.0; </span></p><p><span style="font-size:18px;font-family:arial, helvetica, sans-serif">Supports up to 12Mbps USB full-speed transfer specification;</span><span style="font-size:18px;font-family:arial, helvetica, sans-serif"></span><span style="font-size:18px;font-family:arial, helvetica, sans-serif"></span><span style="font-size:18px;font-family:arial, helvetica, sans-serif"></span><span style="font-size:18px;font-family:arial, helvetica, sans-serif"></span><span style="font-size:18px;font-family:arial, helvetica, sans-serif"></span><span style="font-size:18px;font-family:arial, helvetica, sans-serif"></span></p>