SW-650 W - Wet Sounds 6.5" 100W RMS Marine Coaxial Speakers SW-650 W - Wet Sounds 6.5" 100W RMS Marine Coaxial Speakers Rubber spider & Surround Nylas frame/grille (Nylon Fiberglass) Injection molded composite cone Mounting Depth: 3.1 inches (78.74mm)