"Get the sound you want on your boat with the Garmin JL Audio M3 7.7"" Enclosed Tower Speakers with Classic Grille. These powerful boat speakers are easy to mount on any tubular structure, plus they can be mounted to flat surfaces, providing exceptional performance beyond the boat. A proprietary motor, suspension, and cone modeling system produces excellent bass quality, while pure silk tweeters ensure crystal-clear high-frequency sound. Filters minimize possibility of tweeter failure, and the robust design is built for harsh marine environments, exceeding international standards for salt fog and UV exposure. Mfrs. limited 3-year warranty. Easy to mount on tubular structures or flat surfaces Powerful bass output thanks to proprietary design Pure silk tweeters produce clear high frequencies Tweeter filters protect tweeters Withstands harsh marine environments"