- A composite input is a multi-colored set of ports found behind the TV where AV/RCA cables go in.
- The composite input admits both audio and video signals to the TV from a source such as a digital decoder, home theatre, or DVD player.
- The red, black, yellow, and white RCA cables and are slotted into ports with matching colors.
- Composite inputs are also known as RCA connectors.
Also read: What is the RF input in a TV?