Digital Optical Coaxial Toslink Signal to Analog Audio Converter RCA L/R output with Optical Toslink Cable RCA Stereo Female to Two RCA Male output and USB Power Cable (3 in 1 kits Digital Optical Coaxial Toslink Signal to Analog Audio Converter RCA L/R output Supports sampling rate at 32, 44.1, 48 and 96 KHz, up to 24-bit resolution Converts coaxial or toslink digital audio signals to analog L/R audio and connects to an external device such as an amplifier via standard RCA jacks 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. It's small in size but quite easy to use. It converts Coaxial or Toslink digital audio signals to analog L/R audio, but cannot work in reverse