inputs.text: best - always loved alpine headunit blows others away compared button not touch screen units one top line hesitant price needed outputs back sure get pay 4 volt outputs amazing rockford pbr 300x4 rockford t10001bdcp hooked sounds amazing sure would purchase heartbeat not care bluetooth headunits wanted classic look alpine units unit functions think love front rear usb leave ipod plugged rear glove box still play something front want plus aux input desired sirius radio ready desired capability connecting steering wheel controls thehem 3 4volt outputs rear ect ect overall wonderful headunit would highly recommend