Allows you to convert Coaxial audio input to Toslink Optical audio output or Toslink Optical audio input to Coaxial audio output Built-in digital audio maintains signal integrity without signal loss Easily switch between input and output direction with built-in selection switches Supports LPCM, AC3, DTS audio, 24-bit audio depth Sturdy metal enclosure provides durability. Plug and play, no software installation required The Digital 2-way Audio Converter is a Bi-directional Digital Audio converter.It lets you extend and convert digital coax to Toslink audio, or Toslink to digital coaxial audio. This small form-factor coax toslink converter is an easy to use solution allows you to select the input signal you want to convert with no need to plug in and out the audio cable. The Bi-directional audio converter supports 2 to 5.1 channel audio. Note!!! 1. The item listed is a bi-directional Digital audio converter instead of digital to analog or analog to digital audio converter. 2. The toslink & coaxial audio outputs can not be working simutaneously. Color:Black Material:ABS Package Contents: 1 * Digital Fiber Optic Audio Coaxial Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.