Build up the sound, not the cost. Build up the sound system you need with a solid Alpine foundation: built-in HP Crossover, 4 x 45W amplifier, and 3 sets of pre-outs. Easily view all your information on a slick multicolor dot matrix LCD display. Huge iPod libraries are no problem with Full Speed Connection for iPod. The CDE-9881 offers WMA and AAC playback in addition to standard CD and MP3 playback. Added features include a removable flip down face and Remote Control ready so you can use a remote control for extra convenience