Polk MM1 Series Subwoofer — 12" 1260W 4Ω Dual Voice Coil / 10" 1200W Single Voice Coil for ATV, Car & Marine (Ultra Marine Certified)

Polk MM1 Series marine subwoofer built for rugged, on‑the‑go bass. This entry references the 10 inch MM1 Series 1200W single voice coil marine subwoofer while also aligning with the heavy‑duty 12" 1260W 4 Ohm dual voice coil ATV/car/marine configuration. Designed to deliver far more low‑end impact than OEM systems, it combines durability with high output. Key specifications: Continuous power handling: 420 watts. Peak power handling: 1260 watts. Total frequency response: 28 Hz 200 kHz. Sensitivity: 86 dB. Driver enclosure type: Ultra marine certified. Diameter: 11.1 inches. Full range mounting depth top mount: 4.65 inches. Full range mounting depth bottom mount: 5.2 inches. Performance and motor assembly: Meticulously engineered for thunderous, detailed bass, the MM1 uses Dynamic Balance technology for rich, clean full‑range sound. A high excursion bump stack motor delivers deep low‑frequency impact, and a multi‑layered voice coil adds motor strength for tighter, more accurate reproduction. Reliability and thermal management: Glass fiber formers, oversized voice coils, and high temperature conex spiders improve power handling, linearity and reduce distortion. Vented pole and basket structure increases cooling and minimizes air chuffing. Integrated fuses protect the speaker from overpowered amplifiers. Marine‑grade protection: Ultra Marine certified construction resists the elements. The waterproof santoprene surround is extremely flexible and durable, helping keep moisture and debris out of the driver. Non corrosive fiberglass reinforced baskets protect the rear of the speaker, and stainless steel mounting hardware is included for secure installation. Physical and warranty info: Weight: 10 pounds. Manufacturer warranty: 1-year warranty.