4-Way Optical Switch with built-in DAC and audio conversion



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.

Box Contents

1x OPT41AU
1x IR Remote control
1x 5V / 1A DC power supply
1x Mounting kit
1x User manual


Key Features 

  • Features 4x 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



  • Audio Input Connectors: 4x Optical (SPDIF)
  • Output Connectors: 1x Optical (SPDIF), 1x RCA (SPDIF) & 1x Analogue audio L/R (3.5mm stereo Jack)
  • IR Input Ports: 1x 3.5mm stereo Jack
  • Product Dimensions (WxDxH): 140 x 80 x 25mm (with connections) 
  • Product Dimensions (WxDxH): 140 x 70 x 25mm (without connections)
  • Product Weight: 0.25kg (excluding accessories)
  • Carton / Box Dimensions (WxDxH): 210 x 125 x 90mm
  • Shipping Weight: 0.5kg
  • Operating Temperature: 32°F to 104°F (0°C to 40°C)
  • Storage Temperature: -4°F to 140°F (-20°C to 60°C)
  • Power Supply: 5V / 1A DC, screw type connector
  • Mounting kit included