Rockville RVB12.1A 12 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box
Gravity Dual 8" 1200W Active Powered Car Sub Enclosure Ported Subwoofer w/ 4KIT | eBay
Amazon.com: Rockville RVB10.1A 10 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box, Black : Electronics
SWS10 Recoil 10 inch 600W Slim Active Ported Subwoofer Enclosure with Installation Wiring Kits - Recoil Audio
Amazon.com: MB Quart RW-108A 600W Reference Series 8" Slim Low Profile Compact Under-Seat 4-Ohm Active Powered Subwoofer Enclosure with Built in Amplifier for Car Boat RV ATV : Electronics
10" Compact Active Subwoofer System, 800 Watt Car Audio Bass Subwoofer Sub, 100W RMS Subwoofer Enclosure with Integrated Amplifier, Powered Subwoofer Box Compact Sealed Design for Car & Trucks - Walmart.com
Nakamichi 10" Subwoofer Loaded Enclosure Powered Sub Bass System Activ – Pricedrightsales
10" Compact Active Subwoofer System, 800 Watt Car Audio Bass Subwoofer Sub, 100W RMS Subwoofer Enclosure with Integrated Amplifier, Powered Subwoofer Box Compact Sealed Design for Car & Trucks - Walmart.com
Gravity Dual 8" 1200W Active Powered Car Sub Enclosure Ported Subwoofer w/ 4KIT | eBay
Rockville RVB12.1A 12” 500w Active Powered Car Subwoofer+Sub Enclosure+Amp Kit