Note: Our Sound card only support the Mac OS output function,but the driver can not be installed in Mac OS,please note it carefully before ordering! thanks! Features: * CMI6206 Chipset * USB Spec 2.0 full speed compliant * USB Audio Device cla Spec.1.0 and USB HID Cla spec. 1.1 complaint * SCMS (Serial Copy Management System) Complaint * Dolby&Digital Audio streaming VIA S/PIF out * USB remote wake-up support * 8 Channel DAC output with 16 bit resolution Volume control and mute function Earphone buffer 2X interpolator for digital play back data to improve quality * 2 Channel ADC input with 16 bit resolution 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, MIC, Line-In and summation of MIC, line- in front channel (all channels optional) * MIC, 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 * Support 48/44.1 KHZ sampling rate for both playback and recording * MCU support with two-wire serial interface * Volume up / Volume down / Playback mute HID button * LED indicator pins: operation / recording mute / SCMS protection * C-Media value added software (multi-channel positional 3D sound, AC-3 encoder, ect.) * 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 Support VISTA