USB 2.0 3D 7.1 Audio 8 Channel Sound box

USB 2.0 3D 7.1 Audio 8 Channel Sound Box USB Spec 2.0 full speed compliantUSB Audio Device class Spec.1.0 and USB HID Class spec.1.1 complaint SCMS(Serial Copy Management System)ComplaintDolby @ Digital Audio Streaming Via S/PIF outUSB remote wake-up support8 Channel DAC output with 16 bit resolution Volume control and mute functionEarphone buffer 2X interpolator for digital Play back data to improve quality2 Channel ADC input with 16 bit resolutionAdditional headphone out with selectable source and phone jack senseStereo MIC support with boost capabilityRecording 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 functionMaster volume control by default;per-channel volume control by C-Media driver Playback with soft-mute functionSupport 48/44.1 KHZ sampling rate for both playback and recordingMCU support with two-wire serial interfaceVolume up/Volume down/Playback mute HID buttonLED indicator pins:operation/recording mute/SCMS protectionC-Media value added software(multi-channel positional 3D sound,AC-3 encoder,ect.Embedded USB transceiver and power and reset circuitC-Media value added patent software driver Support Vista