9/10 quality, selling cause it came with my new car and I already had another one........

detachable face
plays CDs, CD-Rs, and CD-RWs
plays MP3 and Windows Media (WMA) files
displays CD Text, MP3 and WMA titles
MaxTune tuner
12 FM/6 AM presets
Bass Engine (bass center frequency, width, and level, plus treble center frequency and level adjustments)
MediaXpander
XM and SIRIUS Satellite Radio controls
CD changer controls for Alpine Ai-NET changers only
optional auxiliary input
MOSFET internal amp
4-volt front, rear, and subwoofer preamp outputs
MobileHub (allows receiver interface with a Nokia 6310i cell phone)
clock
18 watts RMS/50 peak 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
Ipod Ready (iPod Interface needed KCA-420i)

$100