inputs.text: great subs - two ported seperated box 25 ft^3 per sub box tuned 32hertz say wow 450 watts per sub right rattles rear quarter panels loud plan getting bigger amp soon push full potential around 100 dollars piece cant beat great subs sound quality also top notch warned though listen rock youll want sealed box rap sounds amazing setupcuz ported box rock little lacking overall completely happy subs ever blow think buy subs well worth money