Amazon.com: BOSS Audio Systems Elite BE10D 10 Inch Car Subwoofer - 800 Watts Maximum Power, Dual 4 Ohm Voice Coil : Everything Else
Amazon.com: Pyle 10 Inch Subwoofer Box System - 500 Watts Powered Slim Bass with a Non-Pressed Paper Cone Perfect for Mount Car Truck Audio Subwoofer Enclosure, Rear Air Tight Seal Design : Electronics