Optical

The most well-known and probably the most used digital audio cable is optical, its use is mainly seen in TVs, AV receivers, and integrated amplifiers, however, this connection is slowly being replaced by the audio-video cable HDMI with the help of the eARC function. Furthermore, this cable is still a popular choice in digital audio-video players such as CD players, streamers, BD/DVD players, set-top boxes, etc.