More from Amazon.com : http://www.amazon.com/gp/product/B002R1FSPM?tag=thefatkidin06-20 <br /> <br />Fusion MS-SW10 10-Inch 400 Watt Marine-Grade Subwoofer <br /> <br />Magnet Structure - 60 oz <br />2 Voice Coil - 4 ohms - 30Hz-20kHz - 88db <br />Min mounting depth - 45 Mounting diameter - 875 <br />Free Space Resonance 28Hz Frequency Response 30Hz - 2kHz
