Overview: Onboard Inputs: MIC IN SPDIF IN SPDIF Out Line IN From Out Rear Out Cen / Bass Out Mini USB (Universal Serial Bus) IN Input Terminals: 3 Output Terminals: 4 Supports input & output channels Supports Analog Recording Function Compliant with USB (Universal Serial Bus) Audio Device Class: v 1.0, v 2.0 Sampling Rate for 7.1 channel playback: 48 K Hz Fixed Supports multi channels audio code interface for 7.1 channel playback Supported formats for stereo PCM Audio: AES/EBU, IEC60958, S/PDIF Supports SCMS (Serial Copy Management System) copy protection: Yes Supports conventional audio 2 channels source playback (only L.R channel active) Specification: Dimensions:2.36in 3.62in 0.94in