Rockville Rmsts65s Pair 6.5" 800W Waterproof Marine Boat Speakers 2-Way, Silver Rockville RMST65W 6.5&quot; 2-Way 800 Watt Marine Boat Speakers in White (Pair). CEA Compliant Power Ratings. Power Rating: 400 Watts Peak /100 Watts RMS Per Speaker. System Power: 800 Watts Combined. 6.5&quot; 2-Way Speaker System. Fully Marinized Against Salt &amp; Fresh Water Conditions. Completely Waterproof and rustproof. Stainless Steel Terminals. Molded ABS plastic basket. Polypropylene Mica Injected Cone. Rubber Surround. High quality ferrite magnet. 1&quot; inch Titanium Tweeter. Oversized 1&quot; CCAW Kapton Voice Coil. Large Magnet and Motor Structure. Pre-installed mounting screws included. Perfect for both marine, outdoor, and car use. Impedance: 4 Ohms. Frequency Response: 55Hz - 20KHz. Sound Pressure Level: 91dB @ 1w/1m. Total Diameter: 7.56&quot;. Cutout Diameter: 5.43&quot;. Total Height: 3.86&quot;. Mounting Depth: 2.56&quot;.