Infinity BassLink Powered subwoofer: 200 watts and a 10" sub at Crutchfield
Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLBX8A : Electronics
Z 160W 12'' Active Subwoofer - Phoenix Gold
Amazon.com: Theater Solutions SUB8S 250 Watt Surround Sound HD Home Theater Slim Powered Active Subwoofer (Black) : Electronics
Ai41 Powered 5" Stereo Bookshelf Speakers and DB10 10" Low Frequency Ported Front Firing Powered Subwoofer | Fluance
PreSonus Temblor T8 Active Subwoofer | KraftMusic.com