- Plug and play under windows without external memory<br />- Supports AES/EBU、 IEC60958、 S/PDIF consumer formats for stereo PCM audio<br />- 5.1 channel DAC output with 16 bit resolution - Supports virtual 7.1 channel <br />- Supports digital recording function with 32 KBz、 44.1KHz and 48 KHz sampling rate<br />- Supports analog recording function<br />- Supports SCMS (Serial copy Management System) copy protection<br />-Compatible with window 98SE、 ME、 2000、 XP、 MAC OS 9.1、 VISTA (MAC version has 2 channel playback only)<br />- Fully duplex playback / recording audio stream without sound card in PC.<br />- Compliant with USB specification V1.1、 V2.0<br />- Compliant with USB audio device class V1.0 V2.0<br />- Supports USB full speed 12 Mbit 480Mbit serial data transmission<br />- 3 input terminals<br />- 3 output terminals<br />- Supports input and output channels<br />- Supports multi channels audio code interface for 7.1 channel playback<br />- Supports conventional audio 2 channels source playback (only Left、 Right、 channel active)<br />                                                                                                                                Dimensions: 3.5 in x 2.6 in x 0.79 in (8.9 cm x 6.6 cm x 2 cm)<br />Weight: 5.71 oz (162 g)