The design of our high quality cable ensures greater signal transfer and reduces interference for a natural, more accurate sound. Integrate this RCA cable into your stereo system to amplify sound quality for a more enjoyable audio experience. RCA cables connect video components together. RCA is a type of coax connector used for attaching audio and video devices, such as stereo equipment or a composite video monitor. The RCA coax cable provides reliable, plug-in coaxial connections for audio and component video applications.