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! | Hifonics | | 12" 1600W Car Audio Subwoofer Speaker, 2 Pack & QPower Ported Enclosure | Black | Best Buy