BOSS Audio MR50B Marine 5.25 inch 2-way 150-watt Full Range Marine Speakers New About Brand BOSS AUDIO SYSTEMS founded in 1987 and still growing- BOSS Audio specializes in high quality – eye catching – feature packed products for the Road- the Water and the Off Road. As a value based line- BOSS Audio products are afford-ably priced with one of the best warranties in the industry. Product Features Boss Power Sports loudspeakers are rugged enough to take on the challenges of outdoor fun. These 2-Way All-TerrainMarine Loudspeakers (5-14 In., 150 Watts) feature poly-injection cones and Mylar dome tweeters for durability. For a smooth sound for your hot ride, these loudspeakers are hard to beat! Weather Proof Full Range 5.25 2-way Speaker Pair150 Watts MAX 75 Watts RMS Power Handling per Pair80 Hz to 20 kHz Frequency Response and 89dB SensitivityPolypropylene Woofer Cone and Treated Cloth Surround1 Tweeter Per SpeakerSold in Pairs Water Resistant But not water proof. There is a difference between the two. Since the MR50B lives near the water almost all the time, all of the major components such as the spider, surround, etc. have been specially coated to have the protection that they need from corrosion that is present in a humid and salty environment. Cone – Poly Injection Polyurethane is a resilient, flexible, and durable manufactured material that can take the place of paint, cotton, rubber, metal, or wood in thousands of applications across virtually all fields. It can be hard like fiberglass, squishy like upholstery foam, protective like varnish, bouncy like rubber, or sticky like glue. In the specific case of our cones, this material allows for maximum flexibility that produces great sounding speakers lasting you a long, long time. Tweeter – Mylar For a modern edge, the best car speaker could be the high tech Mylar tweeter, as it generally has more ability for a wider variance of sound modifications and channel handling. Unlike paper cones, the Mylar has a higher rate of durability, as the cone is made of a plastic poly material, which does not rip or tare easily, under abnormal frequency changes. Surround – Rubber Rubber is a synthetic material valued for its chemical inertness, impermeability to air, and the ability to endure or resist exposure to the many types of weather fronts. Rubber has applications from Sports equipment to automotive parts, the medical industry, and more. We use them for the Surrounds that connect the cone to the basket. Did you know that most modern chewing gum uses food-grade rubber as the central gum base, which contributes not only the gums elasticity but an obstinate, sticky quality? Just like that chewing gum, the Rubber Surround in our speakers can take the equivalent amount of abuse without quitting on you. Voice Coil – Aluminum One of the most abundant elements on earth, Aluminum is remarkable for its low density and for its ability to resist corrosion. It is nonmagnetic and does not easily ignite. This solid material has the ability to perform under stress in both high tension and high compression environments. Aluminum is relatively soft, making one of the more ideal materials to use in voice coils. Related Video View on YouTube **Disclaimer: All our electronic products are designed for USA only - please check the voltage requirements before buying for any other country - we would not take responsibility for any malfunction due to voltage issues. Check out my other items! Be sure to add me to your favourites list! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.