12'' Slim Waterproof Subwoofer - 500 Watts at Dual 4-Ohms Car Audio Powered Subwoofer with Multi-Color RGB Lights and Remote Control, PP Cone with Rubber Edge (Black) - Road Entertainment
OSD Audio SS8DSP Super Slim Power Subwoofer w/8” Injection Cone Woofer, DSP, and 250W Power Output | Whole House Audio
Amazon.com: Theater Solutions SUB8S 250 Watt Surround Sound HD Home Theater Slim Powered Active Subwoofer (Black) : Electronics
SLIM10 Powered Car Subwoofer | Under Seat Car Subwoofer | 300 Watt RMS – TORO AUDIO
Pioneer Carrozzeria Ts-Wh1000A Under Seat Placement Slim Powered Subwoofer NEW | eBay
Sub 10 slim - Subwoofer | Focal
DS18 SQBASS8 8" Amplified Under Seat Car Subwoofer 600 Watts.
Audiotek 1000w 10" Compact Car Under Seat Powered Subwoofer Super Slim with KIT | eBay