This digital-to-analog audio converter is designed for either home or professional audio switching. It converts Coaxial or Toslink digital audio signals to analog L/R audio and supports receiving audio signals via Bluetooth. It is also available for connection to an external device such as an amplifier via standard RCA-style jacks and 3.5mm stereo jack. This converter is small in size and very easy to install. It comes with a designated power supply.