FOCAL SUB1000F 12" 1000 Watt Powered Subwoofer Black | Accessories4less
BOSS Audio Systems BASS8K 8 Inch Powered Car Subwoofer and Amplifier Wiring Kit Package - 800 Watts Max Power, Under Seat, Low Profile, 8 Gauge Wiring Kit, For Truck Boxes and Enclosures
Audioengine S8 (Satin Black) Compact powered subwoofer at Crutchfield
Amazon.com: Pioneer SW-8MKS 100W powered subwoofer for home theater : Electronics
Monoprice HT-35 Premium 5.1-Channel Home Theater System with Powered Subwoofer, Charcoal - Monoprice.com
SVS PB1000PROBA 325 Watt PB-1000 Pro Powered Subwoofer | BrandsMart USA
Amazon.com: Audioengine S8 Powered Subwoofer Speaker - 250W 8-inch Home Subwoofer with Built-in Amplifier and Dual Audio Inputs for Home Speaker System (Black) : Electronics