Panlong Analog to Digital Audio Converter Adapter - Converts RCA L/R Audio to SPDIF Optical Toslink or Coaxial Supports uncompressed 2-channel LPCM digital audio signal output Supports Optical/Toslink and Coaxial output simultaneously with sampling rate at 48KHz Provides electromagnetic-noise-free transmission Easy to install and simple to operate Package Includes: 1 x Audio Converter, 1x 5V/1A power adapter