Amazon.com: Pyle 12" Dual Series Vented Subwoofer Enclosure for Car Audio - High Powered Sub Woofer Speaker with a 12 Inch Silver Paper Cone and Built-in Illuminating LED Lights - 2x600 Watt
Amazon.com: Pyle Slim Subwoofer Box System - 600 Watts, Perfect for Mount Car Truck Audio Powered Subwoofer Enclosure, High Powered 12-inch Woofers with a Non-Pressed Paper Cone - PSBS12,Black : Electronics
Q POWER Dual 8 in. Vented Port Subwoofer Sub Box with Bedliner Spray QBOMB8V - The Home Depot