EM Audio 8" Custom NEO Hand Built Subwoofer (2000watts) - EM Audio Subwoofers
JBL Stadium 82SSI Stadium Series 8" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
SVR-8 | 8" 800 Watt Max Power Car Subwoofer - Skar Audio
BOSS Audio Systems BASS8 8 Inch Under Seat Powered Car Subwoofer – 800 High Output, Low Profile, Built In Amplifier, For Truck, Boxes and Enclosures, Remote Subwoofer Control