RCA connector
What is RCA connector ?
An RCA connector is a plug and a jack designed for use with coaxial cable for frequencies ranging from the very lowest up to several megahertz. An RCA connector is sometimes known as a phono plug and jack. This type of connector is used as the termination on cables used for composite and component video, coaxial digital audio, stereo audio, and subwoofers and has numerous other applications as well.
rca-connector