With a total sound output of 4 x 30W, Kenwoods KDC5047U is sure to keep you from getting bored on those long car trips. In fact, this KDC 5047U car radio boasts a CD player and a USB port for enjoying MP3, AAC and WMA files stored on external devices. The RDS tuner opens up the options, giving you more to listen to, while the handsfree Bluetooth feature means you can make and receive telephone calls. You can even hook up your iPod or iPhone to the KDC5047U, thanks to the optional KCAiP101 accessory.