M770-TCX-SG-WH - JL Audio 7" Tower Marine Coaxial Speakers White with Sports Grills 7.7" marine component speaker system includes two 7.7" woofers and two 1" tweeters Injection-molded, mica-filled polypropylene woofer with synthetic rubber surround 2-way crossover attached to the woofer basket 1" treated silk dome tweeter Top-mount depth: 3-3/16"