7.1 External USB Audio Interface SPDIF

A compact (9.5 × 5.5 × 2.2 cm), lightweight (~85 g) external audio interface with gold-plated 3.5 mm connectors and optical TOSLINK I/O. Supports true 5.1 and 7.1 channel analog output, plus one optical SPDIF output. Input configuration: two 3.5 mm line-in ports and one optical TOSLINK input. Sampling rates: 32 kHz, 44.1 kHz and 48 kHz — optical output capped at 48 kHz (DTS-CD at 44.1 kHz needs conversion). Fully independent full-duplex audio path eliminates dependence on internal PC sound hardware. USB 2.0 compliant, backward compatible with USB 1.1, adheres to USB Audio Device Class v1.0 and full-speed 12 Mbps spec. Built for scenarios demanding reliable multichannel audio outside typical consumer PC constraints — including living room HTPCs, LAN party gaming rigs, classroom multimedia stations and home vocal studios. Connects directly to powered 5.1 speakers, soundbars with optical input or professional monitor controllers. The front 3.5 mm headphone jack supports zero-config voice chat — ideal for customer support agents, remote interpreters or ESL teachers needing instant mic monitoring. Unlike software-based surround solutions, this hardware processes channels at the device level — delivering stable timing, consistent volume balance and lower latency than CPU-dependent virtualisation — especially noticeable during fast-paced gameplay or live vocal performance.