Outdoor speaker: the outdoor marine speaker is specially designed for harsh marine environments and delivers immersive and dynamic audio. the full-range design reproduces the high frequencies and bass sounds from your tv or stereo. audio optimized for recreational vehicles. Waterproof: made from the highest quality marine-grade materials with ip55 certified waterproof rating. Durable: manufactured with uv resistant materials to withstand harsh environments and weather conditions. it is designed with furrion's climatesmart & vibrationsmart technologies that make it ideal for outdoor spaces. Modern design: furrion outdoor marine speaker has a modern and sleek design. polypropylene reinforced cone extends the frequency response and minimizes distortion; this controls rigidity and internal damping, delivering high definition audio with a pure and distinct sound. Easy installation & warranty: simple bolt-on installation that requires a 5" diameter x 1.62" deep cutout to mount on your boat or rv easily. furrion speakers are made to the highest quality standards and are backed by furrion's 12 months warranty.