Polk Audio MM1042 10" Dual Voice Coil Subwoofer for Car & Marine The Polk MM1042 DVC 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. The sub's dual 4-ohm voice coils offer flexible wiring options, allowing you to safely draw maximum power from your mono amp or connect multiple subwoofers. 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 powerful speaker series, smart speakers, soundbars, and more. They strive to bring the best-in-class audio experience to their customers. Whether you are looking for a powerful marine speakers or a complete audio system for your home, Polk has you covered.POLK'S CONSTANT INNOVATION AND UNWAVERING COMMITMENT - With advanced technology and engineering, Polk bring out the best in class audio with powerful speaker series, smart speakers, soundbars, and more, allowing you to sit back and listen with your heart. MULTIPLE WIRING OPTIONS - The dual 4-ohm voice coils of this Polk subwoofer when wired in parallel results in a 2-ohm load, while in series presents an 8-ohm load. This allows for customized configurations and compatibility with a variety of audio systems. SPLASH-PROOF SOUND SYSTEM - With IP56 Advanced Ultra-Marine certification, this Polk subwoofer delivers powerful bass in tough conditions. Its waterproof surrounds, composite cone, stainless steel mounting hardware, and ABS basket all resist corrosion. RESONANCE-FREE SOUND CREATION - With Dynamic Balance, a Polk Audio proprietary technology, this marine subwoofer uses laser imaging to identify the best combination of speaker materials and ensures a distortion-free response with wide sound dispersion. HIGH-PERFORMANCE CAR AUDIO SETUP - The spring terminals of the woofer are designed for heavy-duty use, capable of accepting single banana plugs, pin connectors, and bare wire up to 10 gauge, providing versatile connection options for your car sound system. ROBUST SUBWOOFER FOR CAR & MARINE - The Polk MM1042 DVC 10" Marine Certified Subwoofer is a superior performing sub built to handle some extreme conditions. With 900W peak power, it features a titanium-plated composite woofer cone and butyl rubber surround.