Focal FLAX EVO 8" P 20 FSE Shallow Car Subwoofer - SUBP20FSE
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
Focal Sub 10 Slim 10" Shallow Mount Subwoofer, Single 4-ohm, 230w Rms - 460 W Max : Target
Pyle Slim Subwoofer Box System 500 Watts High Powered 10-inch Woofers with a Non-Pressed Paper Cone - Walmart.com