M770-CCS-CG-TB - JL Audio 7.7" 2-Way 100W RMS 2-Way Marine Cockpit Component System M770-CCS-CG-TB - JL Audio 7.7" 2-Way 100W RMS 2-Way Marine Cockpit Component System Injection-molded, mica-filled polypropylene cone woofer Synthetic rubber surround 1" Silk dome tweeter Top-mount depth: 3-1/8"