A cable used to send audio CD sound to the computer's sound card. When playing audio CDs, CD-ROM drives output analog sound to both a headphone jack and external connector just like a CD player.

After all, an audio cable carries the analogue signal between your source (a CD player, turntable or music streamer) and your stereo amplifier – that's an awful lot of crucial information and it is ...

A plug and socket for coaxial cable. RCA connectors are used for analog audio signals (see analog audio). They are also used for digital audio (see S/PDIF) and analog video (see composite video).