Polk Audio MM 572 Mobile Monitor Series 5"x7" 2-Way Car/Marine Speakers (Pair) ZWI1030417 and a butyl rubber surround

and a butyl rubber surround that delivers exceptional performance

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Polk Audio MM 572 Mobile Monitor Series 5"x7" 2-Way Car/Marine Speakers (Pair) ZWI1030417 and a butyl rubber surroundPolk Audio MM 572 Mobile Monitor Series 5"x7" 2 Way Car Marine Speakers (Pair) This speaker for car and marine use, the Polk Audio MM572 5" x 7" 2 Way Coaxial, is a flagship Mobile Monitor series model designed to easily handle extreme conditions. This speaker features 300W peak power, a titanium plated composite woofer cone that can also be used in 6" x 8" application, Terylene fabric tweeter, and a Santoprene rubber surround. Polk's proprietary