You can connect your external amplifiers to the three sets of preamp outputs, then control the audio performance with Bass Engine® sound shaping, which even lets you manage your subwoofer system from the driver's seat.
Built-in amplifier (16 watts RMS/45 peak x 4 channels)
Fold-down, detachable face
Full speed iPod controls (requires Alpine's interface cable – sold separate)
Plays CDs, CD-Rs, and CD-RW discs, including discs loaded with MP3, WMA, and AAC music files (except Digital Rights-protected files)