More from Amazon.com : http://www.amazon.com/gp/product/B0016GT6OI?tag=thefatkidin06-20 <br /> <br />Polk Audio db1040DVC 10-Inch Dual Voice Coil Subwoofer (Single Black) <br /> <br />A marine dual voice coil subwoofer speaker <br />Equipped with 10-inch black Dynamic Balance polymer composite cone <br />Frequency response 20-200 Hz <br />Power handling 270 watts continuous 540 watts peak <br />Marine certified - Polk db Series speakers are built tough to withstand the toughest environments
