The Hifonics HFX12D4 12" car subwoofer features a 800 watt peak/400 watt Rms each sub, high excursion rubber surround, large air cooled magnet assembly, high energy magnet and ultra ridged chrome stamped steel basket. The Q POWER 12" Dual Heavy Duty Vented Subwoofer Enclosure features solid 5/8" MDF construction, charcoal carpet covering, a dual vented design, and terminal cup connectors. Turn your ride into a sound machine with the help of the Q POWER 12" Dual Heavy Duty Vented Subwoofer Enclosure!