Boss Audio 7.5" MR752C Speakers - White - 400W [MR752C]7. 5" MR752C Speakers White 400W Boss Audio's MR752C 7. 5" 2 way speaker pair Is a straightforward way to add or upgrade the speakers in any marine audio system. These marinized speakers can be installed as a single drop in speaker, or the coaxially mounted tweeters can be removed to create a component system with surface mounted tweeters. Features: Weatherproof construction Polypropylene Woofer Cone and Rubber Surround Each speaker comes with a 1"