inputs.text: five stars sure - bought woofer dual 4ohm week ago broken already takes 58 hours break monster impressed quality subwoofer first pulled box although slightly dissapointed came no owners manuel recipt even screws spend 12 hours building box 225cubes 30hz speaker say impressed subwoofers performance ability hold form not distort high volumes pushed 900w amp handles power soooo much better two 400w subs pop trunk bass sounds clean pure virtually no distortion even played 600w power rating friends love well plays lows rumbles whole car bass feel heavy great everyone agrees blows old pair kenwoods water cannot ehempisize clean bass heavy feels doors open play music sometimes pull doors closed not know extrehemly satisfied customer would reccomnd skar vvx12 anyone looking heavy hard low bass make sure proper enclosure like friend said powerful engine subwoofer nothing without good transmission enclosure video subwoofer playing anyone wants take look [ ]