Price Match Guarantee Polk Audio MM 1042 SVC MM1 Series 10" 4-ohm Subwoofer Polk Audio MM1042 10" Single Voice Coil Subwoofer for Car & Marine The Polk MM1042 SVC 10" Marine Certified Subwoofer is an outstanding sub for cars & marines designed to easily handle extreme conditions. This subwoofer features 900W peak power, a titanium-plated composite woofer cone, and a butyl rubber surround that delivers exceptional performance. Polk's proprietary Dynamic Balance technology ensures a distortion-free response with wide sound dispersion. It utilizes laser imaging to identify the best combination of speaker materials. The result is a marine subwoofer that produces a powerful bass response in even the toughest conditions. With IP56 Advanced Ultra-Marine certification, this Polk subwoofer is built to resist corrosion and has waterproof surrounds, composite cone, stainless steel mounting hardware, and ABS basket. Polk's dedication to advanced technology and engineering is evident in its powerfu