CD player with built-in MOSFET amplifier (22 watts RMS/50 peak x 4 channels)
CD, CD-R, and CD-RW compatible, including discs loaded with MP3, WMA, and AAC files (not compatible with songs downloaded from Apple iTunes Music Store)
motorized, auto-slide detachable face with 64-color display
System Q Sound Control (including seven preset tone curves and a 3-band EQ)
System E's+ Advanced Crossover system
loudness
three sets of 4-volt preamp outputs
subwoofer controls
auxiliary input
"Supreme" audio processing for better sound from your compressed audio files
Graphic Motion Analyzer
satellite radio-ready (XM or SIRIUS tuner, service subscription, and antenna required)
i ordered several items from them and i have got nothin but excellent service from them i recommend them to everybody i know . i was weary at first but they always came threw. A++ service