Amazon.com: Pyle Slim Subwoofer Box System - 400 Watts, Perfect for Mount Car Truck Audio Powered Subwoofer Enclosure, High Powered 8-inch Woofers with a Non-Pressed Paper Cone - PSBS8 Black : Electronics
10" Dual High Output Flat Pack Enclosures | JSS
8" Dual High Output Glue it & Screw It Sub Enclosure. - GP Car Audio