10-inch, 4-ohm marine subwoofer with 500 watts maximum power handling (250 watts RMS) * Injection molded mineral filled parabolic polypropylene cone * Internal magnetic shielding for reduced electromagnetic interference potential * Corrosion, moisture, and UV resistant for true marine-grade compliance * 35Hz - 250Hz frequency response * True Marine Grade compliance|UV stable Centrex® injection molded plastic parts|Proprietary corrosion resistant gold plated bare-wire input push-type terminals|Injection molded mineral filled parabolic polypropylene cone body with UV inhibitors|UV and Salt-Fog resistant TPE (Thermo-Plastic Elastomer) surround|16 gauge corrosion resistant removable Stainless Steel grille cover insert|Internal magnetic shielding for reduced electromagnetic interference potential|Fully insulated ultra-flexible lead wire|High temperature Kapton® former with polyimide insulated copper wire|Moisture, tear and fatigue resistant aramid fiber spider|Linear, high excursion matched motor magnetics and suspension design|Removable trim ring|1 Year|Standard Warranty