Features:

One Toslink and one Coaxial input interface.Connect to DVD,HD player and other devices.
One RCA output interface.Connect to the audio amplification device with RCA interface.
One 3.5mm audio output interface.Connect to your headphone.
Eliminates the noise when no input signal and automatically mute when input non-audio signal.
Actually supports sampling rate at 192kHz 24bit.
Supports volume adjustment.
Aluminum Metal case,lightweight and compact.Good anti-interference function makes the sound pure and clear.

Note:

The adapter is incompatible with 5.1 Channel Signal such as Dolby AC3, please set the audio output to PCM or LPCM before using the product.