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).

This is why the quality of audio cables – otherwise known as 'audio interconnects' or 'RCA cables' – can significantly affect your system's performance. Cables matter, and they're often a major aspect ...

Audio cables transmit audible signals such as voice and music ... Composite multi-signal cables use XLR connectors, 1/4" and 1/8" stereo connectors, RCA plugs and other types of connectors to ...