RCA cables started as single-channel connectors for audio, later evolving into stereo sound by adding a second cable. The iconic yellow RCA cable was created for composite video, used widely in ...

Ideal for connecting subwoofer speakers to audio components ... resistant gold-plated RCA connectors provide a consistently tighter fit than commonly rolled cables with wider tolerances.

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).