inputs.text: bad alpine got marine audio game - model discontinued purchased mine 2011 still love itthe complaints earned 4 stars everything add want bluetooth addon decent eq controlsbetter add imprint box imprint box 100 pretty much required purchase head unit bumps preouts 2v 4v gives real eqcrossover settings makes head unit far functional lacks controls smartphone apps though wouldnt dock based release still basic pausetrack forward pandora menu system bit pain floating remote addon awful rangeto point pretty much worthless wont work back 21 vdrivedisplay wise no one else touching single din unit great sound quality using smd distortion detector no distortion preouts imprint box even 100 volume head units start distorting 7590 volume rangebest transom remote business acquired cheaplygood sirius controls scvdoc1 compatible importantits sad alpine got head unit game everything else isnt level