BOSS Audio Systems SLIM10 Elite Series 10 Inch Powered Car Audio Subwoofer - Low Profile, Remote Subwoofer Control, Built In Amplifier, Under Seat, For Truck, Hook Up To Amplifier
Amazon.com: MTX TN8MS Terminator 8 Inch Micro Compact Amplified Subwoofer Enclosure for Small Vehicles with Class A/B Amplifier, Variable Bass Boost, External Bass Control, and Smart Engage Auto Turn On Circuitry :
Amazon.com: Rockville WHEEL OF BASS 8" Slim Under-Seat Powered Truck/Car Audio Subwoofer Sub : Everything Else