Product Review

MM1 Series Premium 5x7" Coaxial Speakers with Ultra-Marine Certification Features: Premium upgrade tuned for the total sonic accuracy found in a studio monitor speaker Meticulously conceived designed and engineered for advanced high performance sound Dynamic Balance technology provides rich clean full-range sound by eliminating distortion and unwanted resonant frequencies Low protrusion pivoting 1 Terylene tweeter ensures clear detailed highs Premium Upgrade MM1 is the next generation of Polk's highly-acclaimed Mobile Monitor seriesconceived designed and engineered to deliver premium audio with unparalleled sonic detail and ultra-durable construction. Its the one crafted for full-on powerful sound no matter what vehicle youre in. Ultra-Marine Certified Featuring an IP56 rating that includes a non-corrosive fiberglass reinforced ABS basket epoxy-coated crossovers waterproof inner and outer surrounds weep holes for proper drainage and titanium-plated cones you get extra long-lasting protectionthats all salt-fog and UV tested. 1 Terylene Tweeter Polk's newly designed Terylene dome tweeter features curvilinear formers that extend response and lower resonance for better dispersion in the critical midrange delivering clear and detailed high frequency response for realistic reproduction of vocals and instruments. Waterproof Santoprene Surrounds This attractive high performance material maximizes throw with its ultra-flexible ultra-durable propertiesand prevents the elements from entering the speaker unit. Plus it combats the harsh effects of boat cleaning agents. UV Tolerant Titanium Plated Composite Cones Provides tighter cleaner more accurate sonic dispersionand wont discolor or degrade with time and heavy use. Advanced High- Performance Sound Every element of the MM1 Series is meticulously engineered for high-performance soundDynamic Balance technology a pivoting 1 Terylene tweeter UV tolerant titanium plated composite con