http://astore.amazon.com/media_box-20/detail/B00DDXOEUS

　　Product Description

　　Full HD (24-bit/192KHz) multimedia 7.1-channel USB audio box

　　Compatible with Latest USB Audio Device Class 2.0/1.0 (UAC 2.0)

　　Full HD (24bit/192KHz) multimedia 7.1-channel USB audio box

　　Embedded independent audio processor

　　Full HD audio output with 108dB SNR

　　Big wheel for volume control and push to mute

　　Optical input and output for PCM data

　　Standalone Line-in, Mic-in and Head Phone-out