USB 1.2 standard, supporting Dolby AC-3 and DTS
USB connector, plug and play
No depend on any sound-card
No need external power supply
Real 8 channels line output
Absolute 8-channel volume adjustment
Optical input (recording only)
Optical output
Digital volume control (hardware and software)
Mute function
Auto noise-filter, no noise when no playing (for 7.1 and 5.1 headphones)
R&L double absolute microphones input
MIcrophone setup switch
2.1/4.0/5.1 /7.1 line output
Including Hi-Fi stereo
Alterable boxes position
Various DSP function
Karaoke function
A 9-pin jack for 7.1 and 5.1 headphone
According with environment protection standard
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