There are good advantages in keeping your pre installed radio and adding a good car cd changer to it. I guess it would be better to know the choices that you can have in buying your next car cd changer. The first thing that you need to know is to know the importance of an having a cd changer in your car. If you’ll ask me, it would change the quality of the sound performance and it provides a superior alternative to car dealers. A car cd changer is something that can hold multiple disk and it usually a cartridge that allow the use to play or access any of the disk one at a time.