1. Support: AES/EBU, IEC60958, S/PDIF
2. Truly supports 5.1 channels and 7.1 channels. Can connect to 5.1 speakers
3. Up to 48KHz sampling rate, supporting 32KHz/44KHz/48KHz digital recording function
4. The sound card fiber output only supports a sampling rate of 48KHz, so DTS-CD is 44KH and requires conversion to listen
5. Supports all Windows versions, but not MAC system
6. Playback and recording of full duplex audio streams without the need for abuilt-in PCsound card
7. USB2.0 Backward compatibility USB 1.1
8. Compatible with audio device specification V1.0
9. Supports USB full speed transmission specifications up to 12Mbps
10. 3 input terminals (one of which is a fiber optic input) USB/SOUND/CARD
11. 3 output terminals and 1 fiber optic output terminal; 7.1 CH/OPTICAL