Kenwood eXcelon KDC-X689 - Radio / CD / MP3 player - Full-DIN - in-dash - 50 Watts x 4 Kenwood is a leading developer and manufacturer of audio and video products for home It is recognized by consumers and the consumer electronics industry for providing superior quality This product is a AAC/WMA/MP3/ CD Receiver with External Media Rotary Encoder &amp; Jog Control Knob for Easy Operation;3D-FL Dot Matrix Display (4-tone);Spectrum Volume Control;AUX Input;Gold Plated 3 Pre-outs with 5V Pre-output Level.