(2) Alpine SWR-1522D 15" 4000W Competition Car Subwoofers+Sealed Sub Enclosure 15" Subwoofer, with crazy power, and the best sound quality 2,000 WATTS TOTAL OUTPUT 750 watts RMS Rockville RD15 Dual 15" Sealed Subwoofer Enclosure 20 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)