PyleUsa 8" Dual Subwoofer Box System - 400-Watt Slim Mount Truck Audio Subwoo...
2X30 OZ MAGNET STRUCTURE: The magnet construction of the subwoofer speaker is 2x30 oz solid base. It's also quite simple to connect to your vehicle's sound system. For sound and music systems, a fantastic built-in dual subwoofer.