|  Specification & Features: |    -  USB bus-power, no external power required. Functions keys: 1:MIC IN; 2:SPDIF IN; 3:SPDIF OUT; 4:LINE IN; 5:FRONT OUT; 6:REAR OUT; 7:CEN/BASS OUT.
  -  Support USB2.0 Full-Speed 12Mbps 480mbit serial data transmission Specification
  -  Support AES/EBU,IEC60958,S/PDIF consumer formats for stereo PCM audio.
  -  Fixed 48KHZ sampling rate for 7.1 channel playback.
  -  Support digital recording function with 32KHZ,44KHZ and 48KHZ sampling rates.
  -  Support analog recording function.
  -  Support SCMS(Serial Copy Managenment System)copy protection.
  -  Compatible with Windows 98SE / ME / 2000 / XP / Server 2003 / MacOS 9.1 /Vista(MAC system has 2 channel playback only)
  -  Fully duplex playback/recording audio stream without sound card in PC.
  -  Compatible with USB specification V1.1 V2.0.
  -  Compatible with USB audio device class V1.1 V2.0.
  -  Support Desktop or notebook PC with a USB port.
  -  Support Stereo active speaker or stereo earphone.
  -  Support USB2.0 Full-Speed 12Mbps ,480mbit serial data transmission Specification
  -  3 input terminals and 3 output terminals.
  -  Support input and output channels
  -  Support Multi channels audio code interface for 7.1 channel playback.
  -  Support conventional audio 2 channels source playback(only L,R,channel active)
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