An RCA connector is a type of electrical connector used for transporting audio or video signals. The name is derived by the RCA who designed it. It is also known as a phono connector or cinch connector. The RCA connector is usually wired on coaxial cable and delivers a single analog channel (monaural sound). To carry a stereo signal then you need two cables and two RCA jacks. Electrically such connectors on average guarantee a current of 16 A for contact and support a voltage up to 50 V.Below is a selection of RCA connectors among which you can choose the model to be installed on your amplifier.