M770-TCX-CG-WH - JL Audio 7" Tower Marine Coaxial Speakers White with Classic Grills High-Efficiency Full-Range Coaxial Speaker System 2-way crossover attached to the woofer basket Optimized for Infinite-Baffle, Cockpit Mount Applications Treated 1-inch (25 mm) Silk Dome Tweeter Mounting Depth: 3.2 in.