Definition: An RCA Jack or RCA Plug is a connector commonly used to connect various components in a audio-video system. It is used for analog and coaxial digital audio and composite and component video connections.
Also Known As: phono connector
Examples:An RCA Jack is used to connect the analog output of a CD player to the analog inputs of a receiver or amplifier. It was developed by RCA, the Radio Corporation of America, to connect a record player to an amplifier and is now used commonly for many types of audio and video connections.