USB Channel 5.1 External SPDIF Optical Digital Sound Card Audio Adapter For PC B
Inputs: SPDIF in, Line in, Mic in. Outputs: SPDIF out, Front out, Rear out, Cen/Bass out. Fully duplex playback/recording of audio stream without a sound card in PC. USB Compliant Support: USB specification V1.1, USB audio device class V1.0.