Any ideas about this unit, i have someone wanting to sell it for 100 what's ya'lls thought? Also how does the rear input usb work? Here's the specs http://www.crutchfield.com/p_020DXZ775/Clarion-DXZ775USB.html?c=3&tp=5684&tab=features_and_specs Chassis Size Code IEJ CEA-2006 Compliant Yes RMS Power Output 20 watts Peak Output 53 watts RMS Power Bandwidth 20-20kHz Preamp Outputs 6-channel Sub Preamp Outputs Yes Preamp Voltage 5.8 volts Display Color Variable Key Button Color Variable EQ Bands 3 Sound Shaping Type DZ-Enhancer EQ Wireless Remote Yes Steering Wheel Control Compatible --- Security Detachable face Flip-Down Face Motorized Parts Warranty 2 Years Labor Warranty 2 Years Expandability iPod Connection/Control Optional audio AUX Input Rear USB Input Rear Memory Card Slot No A/V Inputs No Bluetooth Compatible Optional Satellite Radio Ready Both HD Radio No Navigation No Changer Control Yes Tuner Tuner Type Not given FM Sensitivity 9 dBf FM Presets 18 AM Presets 6 European Tuning No Seek/Scan Seek Radio Data System No Playback CD Frequency Response 5-20kHz CD Signal-to-Noise 84 dB CD-R Playback Yes CD-RW Playback Yes MP3 Playback Yes WMA Playback Yes AAC Playback --- DVD Playback No