USB 7.1 8CH Sound Card (N-US8CHB)

CMI6206 Chipset
USB specifications:
Full speed: 2.0 compliant
Audio device: Class 1.0
HID class: 1.1 complaint
SCMS (serial copy management system) complaint
Dolby at digital audio streaming VIA S/PIF out
Supports USB remote wakeup
8 channels DAC output with 16 bits resolutions
Volume control and mute function earphone buffer 2x interpolator for digital play back data to improve quality

2 channels ADC input with 16 bits resolutions
Alternate digital filter programmed by vendor driver to improve quality
Additional headphone out with selectable source and phone jack sense
Stereo MIC support with boost capability
Recording source select from S/PDIF, microphone, line-in and summation of microphone, line-in front channel (all channels optional)
Microphone, line-in monitor from front channel (all channels optional) with volume

Control and mute function
Master volume control by default, per channel volume control by C-media driver
Playback with soft-mute function
Supports 48/44.1lkHz sampling rate for both playback and recording
MCU supports with two-wire serial interface
Volume up, down, and playback mute HID buttons
LED indicator pins: Operation, recording mute, and SCMS protection
C-media value added software (multi-channel positional 3D sound, AC-3 encoder, and more)

Embedded USB transceiver and power and reset circuit
C-media value added patent software driver
Xear 3D sound
Earphone plug
Speaker shifter
Environment sound effects
Room size mode
Graphic equalizer
Karaoke function
Supports Vista