Optical Coax to Analog RCA Audio Converter With AC Power Adapter US Standard is Designed for Either Home or Professional Audio Switching Type: Optical Coax to Analog RCA Audio Converter Features: This Digital to Analog Audio Converter is designed for either home or professional audio switching. Itconverts Coaxial or Toslink digital audio signals to analog L/R audioand available for connection to an external device such as an amplifier via standard RCA-style jacks. This Converter is small in size and quite easy to install; This Converter has many features that enable it to perform in a superior manner; Converts Coaxial or Toslink digital audio signals to analog L/R audio; Supports sampling rate at32, 44.1, 48 and 96 KHz; 24-bit S/PDIF incoming bit stream on left and right channels; Provides electromagnetic-noise-free transmission; Easy to install and simple to operate.