Item Description:

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Pair MR6B Boss Audio 6.5'' 180 Watt Dual Cone Weather Proof Marine Speaker System (Black) (x2) Boss - MR6B Water Resistant But not water proof. There is a difference between the two. Since the MR6W 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. 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 (does not have any magnetic properties) 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. Cone - Poly Injection A substance called “Polyurethane” and is categorized as a “Polymer". It 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. Surround - Rubber Rubber is a synthetic (man made) rubber and is 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 many different applications. Anywhere 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 gum's 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. 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.    6.5 inch Marine Speakers Peak Power: 180 Watts RMS Power: 90 Impedance: 4 Ohms Frequency Response: 80Hz – 20kHz  Sensitivity: 89 dB @ 1 W/1 Meter  Mounting depth: 2-1/4” UPC Code 791489118089

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