Summary: Diameter: 10 Inch; Sensitivity: 82 dB; Impedance: 4 Ohm; Frequency Response: 15-200 Hz; Peak Power Handling (Watts): 600 Watts; Color: Black; RMS Power Handling: 300 Watts; Marine Grade Protection / IPX Rating: LIFE SHIELD - Protected for water and dirt. UV protected against sun fade. 72 Hour UVA Burn In Certified. IPX68 rated.; Terminal Type: Real 10 Karat Gold plated, water resistant connectors provide protection against rust and corrosion.; Configuration: Round, easy to choose a prefabricated enclosure or convenient location on the boat.; Surround / Cone Coupling: UV resistant, Butyl rubber surround is coupled to a flat-piston rigid dome. This configuration, allows the subwoofer to remai ...