"Next time you're on the water, groove to better sound with the Garmin JL Audio M3 7.7"" Marine Speakers with LED and Sport Grilles! Two M3 7.7"" coaxial speakers with silk-dome tweeters deliver high-performance sound in open air, making them the ideal choice for boats, personal watercraft, off-road powersport vehicles, and more. DMA-optimized woofers reduce distortion and improve bass sound quality. Built-in LED accent lighting makes it easy to get the look or mood you want. Exceed international standards for salt, fog, and UV exposure. Suitable for moderate power systems. These Garmin marine speakers also include 12 stainless steel mounting screws, 12 stainless steel washers, and mounting template. 7.7"" dia. x 4.27""D. High-performance sound in open air DMA-optimized woofers reduce distortion and improve bass sound quality Built-in LED accent lighting Exceed international standards for salt, fog, and UV exposure Includes 12 screws, 12 washers, and mounting template"