Alpine PWE-S8 240 Watts 8" 20CM Underseat Quad-Coil Active Amplified Subwoofer

The compact PWE-S8 amplified subwoofer system lets you add deep, accurate bass to your sound system without taking up much space in your vehicle. Subwoofer Boxes. This compact subwoofer system works well under or behind the seat of a pickup truck, in a sedan trunk, or in the hatch of an SUV.