Digital to Analog Converter Audio Digital Analog Adapter High Speed 24bit 192khz DAC Gold-Plated HD RCA L/R Output Digital Singal Optical Coax Input Adapter with USB Power Supply It converts Coaxial or Toslink digital audio signals to analog L/R audio and available for connection to an external device such as an amplifier via standard RCA-style jacks. This Digital to Analog Audio Converter is designed for either home or professional audio switching. Wide compatible with LED,Cloud,Apple TV.Internet TV Box,Blu-ray DVD,etc. This Converter is small in size and quite easy to install,no needs any drives,plug and play. This digital to analog audio converter compatible with all of country, because it's power by USB cable.