RCA connectors (CINCH)

December 2016

RCA connector

The RCA connector (Radio Corporation of America, sometimes called CINCH) is a connector used for transporting audio or video signals.

The RCA plug is used to send video and audio signals (in mono or stereo) through a two-wire cable, with either an analog or digital transmission method.

The connector's color indicates how it is meant to be used. For stereo analog audio transmissions, the connectors are red and white:

RCA audio connector

For a composite video signal, the connector is yellow:

RCA composite connector

The RCA connector is also used for sending component video, also called YUV or YCrCb. For such a video signal, 3 connectors, colored red, green, and blue, are used:

RCA connector (YUV/YCrCb)


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