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.N/AN/A- Features 4 x optical SPDIF digital inputs which can be switched to single optical outputN/A- DAC (Digital to Analogue Audio Converter) converts selected optical digital to analogue left / right stereo audio outputN/A- Built-in digital audio converter converts selected optical audio input to coaxial digital outputN/A- Outputs optical digital coaxial digital and analogue left / right stereo audio concurrentlyN/A- Supports sample rates 32kHz 44.1kHz 48kHz 96kHz & 192kHz up to 24-bit resolutionN/A- Supports LPCM DTS Dolby Digital and Dolby Digital plus when used as a straight digital in / digital out switcherN/A- Ultra low jitter and high fidelity designN/A- Input selection button on front panel to toggle between optical inputsN/A- IR receiver on front panel to switch inputs and turn on / off audio outputs using supplied IR remoteN/A- External IR input can be used to extend IR with Blustream IR receiver cable