SPDIF Optical USB 7.1 Audio Interface

Compact external USB audio interface engineered for high-fidelity multi-channel playback and recording. Confirmed specifications include true 5.1 and 7.1 channel output capability, SPDIF optical input and output, AES/EBU and IEC60958 compliance, and sampling rates up to 48kHz (32/44.1/48kHz supported overall; optical output fixed at 48kHz). Connects via USB 2.0 (backward compatible with USB 1.1) and conforms to USB Audio Device Class v1.0. Includes three input terminals (one optical), three analogue outputs and one optical output. Compatible with Windows 98–Windows 8 and Mac OS 9.1 (stereo only). Designed for integration into HTPC-based home theatres, gaming rigs and karaoke stations — supports both full 5.1 speaker systems and basic headphone use for voice chat or vocal monitoring.