Converts analog L/R audio signal to coaxial or Toslink digital audio signal. Supports 3.5mm audio and RCA audio input. R/L channel for S/PDIF is 24-bit. Supports electromagnetic noise-free transmission. Easy to install and simple to use. Specifications: Input Audio: L/R analog audio Output Audio: Coaxial or Toslink digital audio Input Audio Connection: 2xRCA(L/R), 3.5mm audio Output Audio Connection: Toslink, 1XRCA(coaxial) Sampling Rate: 32, 44.1, 48, and 96 KHz Max Working Current: 250mA Power Adapter Format: AC (50Hz, 60Hz) 100V-240V; DC 5V/500mA Operating Temperature Range: (-15 to +55) Working Humidity Range: 5% to 90% RH (no condensation) Color: black Material: metal Size: 4.8 x 4.5 x 2 cm Package Contents: 1 x Analog to Digital Audio Converter Note: 1. Please select PCM/LPCM on your TV as the audio output format. 2. Dolby audio is not supported; please turn off Dolby when using. 3. Adjust the volume on the terminal audio equipment instead of on the TV. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.