Package: Alpine Type-S SWS-12D4 12" Inch 1500 Watt Dual 4-Ohm Car Subwoofer + Rockville RSV12 Single 12" Vented Subwoofer Enclosure + Sub Box Wire Kit With 14 Gauge Speaker Wire + Screws + Spade Terminals
Alpine Type-S SWS-12D4 12" SubwooferPeak Power Output: 1,500 wattsRMS Power Output: 500 WattsDual 4-Ohm Voice CoilsBuilt Like Type-RMassive Voice CoilsHigh Strength Steel FrameConcealed Mount Gasket SystemHigh-Grade Strontium Ferrite MagnetsMore Bass In Less SpaceAlpine's Patented Airflow Management System Keep it Cool8 AWG Push TerminalsKevlar Reinforced Pulp ConeHAMRS Santoprene Rubber SurroundFrequency Response: 26-200 HzSensitivity: 86.5 dBTop-Mount Depth: 5-13/16"Rockville RSV12 Single 12" Vented Subwoofer EnclosureProudly Made In The USA, Using Only The Finest Quality Materials - For The Best Level of Performance From Your Subs!3/4" USA Heavy Duty MDF ConstructionMachine precision cut mounting holesTop of the line Glue for extra durable adhesionHigh quality GOLD spring loaded terminalsDesigned, tested, and engineered to work with most of today's popular woofers. These enclosures are built with the quality additives needed to maximize the performance of any sound system.10 Drywall Wood Screws (Wood screws are the type of screws; the screws are actually made of metal)12 Feet of 14 AWG Blue Speaker Wire2 Spade Terminals