1) Supports AES/EBU,IEC60958,S/PDIF consumer formats for stereo PCM audio

2) Fixed 48KHz sampling rate for 5.1 channel playback

3) Supports digital recording function with 32khz, 44khz and 48khz sampling rates

4) Supports analog recording function

5) Supports SCMS (Serial Copy Management System) copy protection

6) Compatible with Win98SE,ME,2000,XP,Mac OS 9.1 (Mac version has 2 channel playback only)

7) Fully duplex playback/recording audio stream without sound card in PC

8) Compliant with USB specification v1.1

9) Compliant with USB audio device class v1.0

10) Supports USB full speed 12Mbit serial data transmission

11) 3 input terminals

12) 3 output terminals

13) Alternate setting 0 is a zero bandwidth setting used to release the claimed bandwidth on the bus when this device is inactive

14) Isochronous transfer uses adaptive and asynchronous synchronization

15) Supports multi channels audio code interface for 5.1 channel playback

16) Supports conventional audio 2 channels source playback (only L, R, channel active)

17) Plug and Play under windows without external memory