inputs.text: best dash dvd buck - owned unit week works like charm three sets preouts using two amps subwoofer unit also allows infinitely adjust low mid high frequencies selecting khz hz even phase subwoofer select 16 different eq modes unit also control multi cd player dsp unit navigation unit sirius xm radionone purchased however purchase separate ipod adapter recommend reservations see review cd ib1002 interfaces touch screen gives ability scroll search songs like would ipod although scroll bit slow likingin addition adapter charges ipod touch screen makes easy navigate menus intuitive also select screen pop automatically car turned also retracts car turned set open close manually also adjust tilt screen adjust color brightness etc unit many many adjustments many list sound picture parental control find unit easy use would highly recommend anyone