inputs.text: 2 jlw3 12 mrp 1000 - year ago bought alpine amp local audio shop reasonable price gotten new car last 6 months course system followed hooked two 4ohm jl w3 12inch subs sealed box amp enough power 2 ohm really noticed problem new car even second battery 4 gauge jl wire times amp pretty dam hot actually problems not getting enough power overheating not problem overheating since purchased second battery still gets really hot really know need since plan car custom high output alternator built since not make saturn ls1 buy amp make sure u enough amperage operate dam thing properly overall great sound powerful would recommend amp anyone needs power