With an RCA connector on the car radio, you have the option to expand the sound in your car. You can connect an amplifier to the car radio via the RCA output. With an amplifier, you can ensure that more power comes from the car radio. This way, you can turn up the volume a lot while driving. On this page, you'll find all car radios with 1 RCA connector. We also have car radios with 2 or more connectors in our range.