its top of the range unit comes with remote and all wires, has built in crosover and plays mp3s, and buttons change colour, asking $400 firm
some more specs
detachable, fold-down face
variable button color
plays MP3 and WMA files
plays audio CDs, CD-Rs and CD-RWs
MaxTune SQ tuner
12 FM/6 AM presets
Bass Engine Plus (bass center frequency, width, and level, plus treble center frequency and level adjustments, as well as 4-channel digital time alignment and a 3-position, 12dB/octave crossover, subwoofer level and phase control)
MediaXpander (restores clarity and detail to compressed or broadcast audio)
source tone memory
iPersonalize setup options
XM and SIRIUS Satellite Radio controls
CD changer controls for Alpine Ai-NET changers only
optional auxiliary input
4-volt front, rear and subwoofer preamp outputs
MOSFET internal amp
clock
wireless remote
watts 50 x 4 channels (CEA-2006 Compliant)
CD frequency response 5-20,000 Hz
CD signal-to-noise ratio 105 dB
FM sensitivity 9.3 dBf