MB Quart NP1-120 Nautic Premium Waterproof 8 Inch Marine Speakers (black, Pair) With 3 Grill Colors Included.

LIFE SHIELD: Protected for water and dirt. UV protected against sun fade. 72 Hour UVA Burn In Certified. IPX68 rated 1 inch Titanium Dome tweeter utilizing Waterproof Coated Silk Surround Injection Molded Composite Polypropylene Cone: Delivers impactful bass with minimal cone flex which can cause distortion or sloppy bass Co-Molded Santoprene Surrounds: The cone and surround are coupled in such a way to maximize bass frequency power while remaining impervious to the outdoor environment including colder weather Molded Polymer Sealing gaskets are utilized to keep the speaker isolated from the mounting surface and improve protection from water intrusion An Aramid fiber composite spider is used to stabilize the cone and voice coil in all musical situations Front and rear venting allows air passage through the spider and back plate to exchange air over the voice coil Butterworth 12dB per octave crossover with PTC (Positive Thermal Coefficient) tweeter protection Composite (UV Resistant ASA + Fiberglass) Frames are incredible strong and lightweight, but most important for music they are inert, meaning they have no resonance frequency, this assures all music and minimal distortion Real 10 Karat Gold plated, water resistant connectors provide protection against rust and corrosion