What better way to enjoy your day out on the water in your boat is listening to your favorite music. These XL-PODS even give your water skier or wake board rider an ear full of loud and clear music even at 100' behind your boat. We have engineered the best musical reproduction solution with our XL Marine Grade Pods. They feature UV inhibited Polyamide Enclosures and Grills, Poly cone woofers, Titanium Compression Horn tweeters along with computer optimized crossovers that delivers the best sonic audio reproduction on the water. Features - Injection Molded UV-Treated White Polypropylene Cones Water Tight TPU Surround Ultra Efficient Compression Horn Tweeter UV Inhibited Injection Molded Plastic Pod UV-treated Aluminum Mesh Grills Polished Aluminum Mounting Clamps Fits Tower Bar Sizes 2" - 2.75" Stainless Steel Hardware Included 4-Ohm System Impedance Sold in Pairs w/Mounting Brackets Specifications - Nominal Impedance: 4-ohm Height: 9.96" (with mounting clamp)/4.41" (without mounting clamp) Width: 4.41" Depth: 8.65" Material: UV inhibited pp cone Sensitivity (1W / 1M): 101 dB