Hifonics HFX12D4 12" 800 Watt Dual 4-Ohm Car Subwoofer+Vented Sub Box Enclosure
Amazon.com: Hifonics Brutus BW-110A - 800 Watts Compact Amplified Under The Seat Car Truck Subwoofer Low Profile with Bass Remote, Great for Vehicles That Need Bass But Have Limited Space, Black :