Our OPT41AU is an advanced 4-way optical audio switch. Perfect for the integration of multiple audio sources with a soundbar. The OPT41AU also has a built in DAC and simultaneous digital and analogue stereo audio outputs. The OPT41AU supports 192kHz sample rates and up to 24-bit resolution for enhanced sound reproduction. - Features 4 x optical SPDIF digital inputs which can be switched to single optical output - DAC (Digital to Analogue Audio Converter) converts selected optical digital to analogue left / right stereo audio output - Built-in digital audio converter converts selected optical audio input to coaxial digital output - Outputs optical digital, coaxial digital and analogue left / right stereo audio concurrently - Supports sample rates 32kHz, 44.1kHz, 48kHz, 96kHz & 192kHz up to 24-bit resolution - Supports LPCM, DTS, Dolby Digital and Dolby Digital plus when used as a straight digital in / digital out switcher - Ultra low jitter and high fidelity design - Input selection button on front panel to toggle between optical inputs - IR receiver on front panel to switch inputs and turn on / off audio outputs using supplied IR remote - External IR input can be used to extend IR with Blustream IR receiver cable