USB 2.0 7.1 8-Channel External Sound Box USB 2.0 7.1 Audio 8 Channel Sound Box General Features: 8 channel 3D external sound pocket USB 2.0 interface Dolby Digital Audio Streaming via S/PDIF out SCMS (Serial Copy Management System) compliant USB remote wake-up support 8 Channel DAC Output with 16 bit resolution 2 Channel ADC input with 16 bit resolution Support 48/44.1 KHz sampling rate