inputs.text: pioneer dehp401hd - unit best purchase made year originally bought really liked came hd tunerhd tuner100 best buy put thing car everything fairly simple hooking hd tuner top hd tuner unit usb connection person could use hook ipod mp3 player since not ipod mp3 found could plug jump driveflash drive get great sound quality jump drive 2gb hold fourhundred songs overall sound quality produced unit great hd tuner kicks many newhidden radio stations cd quality two 10\\ subs 900watt amp connnected unit controls unit person really get good sound whole car highs mids lows skeptical decided replace deck 100 glad made decision