Pyle Marine 8in Woofer 400W Max White. 400 Watt Marine Subwoofer ideal to boost the bass of your watercraft's sound system. It features a polypropylene cone woofer that delivers thumping bass that will make waves. A high-temperature voice coil creates superior sound reproduction. The marine-grade waterproof plastic case construction makes it safe to be installed and used in places where moderate water splashes occur such as in marine vehicles. The boat subwoofer can be installed under or in front of the compartment or helm behind the helm seat or you can mount it inside a box or cooler. You could also use it on your atv utv or golf cart Specifications for Pyle Marine 8in Woofer 400W Max: Manufacturer: Pyle Color: White Features of Pyle Marine 8in Woofer 400W Max: 8in 400 Watt White 4 Ohm Marine Subwoofer 8'' High Quality Polypropylene Cone Water Resistant Construction Design 40 oz Magnet Structure 1.5'' High Temperature Voice Coil 400 Watts Peak Power Frequency Response: 35-3.5K Hz 4 Ohm Impedance Sensitivity: 91 dB Overall Diameter: 8.5'' Mounting Depth: 3 5/8in Package Contents: Pyle Marine 8in Woofer 400W Max Pyle PLMRW8: Marine 8in Woofer 400W Max White