Pioneer TS-WX70DA Active subwoofer | We match the price | SoundStoreXL
R-101SW 10" Subwoofer | Klipsch
Mackie SRS 1500 Active Subwoofer Black | Reverb
BOSS Audio Systems SLIM18 Elite Series 8 Inch Powered Car Audio Subwoofer - Low Profile, Remote Subwoofer Control, Built In Amplifier, Under Seat, For Truck, Hook Up To Amplifier