JL Audio M6 Series 7.7" Enclosed Tower Coaxial System w/Gloss White Sport Grille - M6-770ETXv3-Gw-S-GwGw [010-03277-00]M6 Series 7. 7" Enclosed Tower Coaxial System with Gloss White Sport Grille M6 770ETXv3 Gw S GwGw UNLEASH GREAT SOUND BEYOND YOUR BOAT Whether youre on the boat or riding the wake behind it, the JL Audio M6 is the ultimate tower speaker system for delivering powerful, crystal clear sound that you can hear and enjoy well beyond the boat. Features Powerful midbass output in open air applications 7. 7" coaxial speakers with silk dome tweeters Wide range