Elevate your motorcycle adventures with the Kicker 51KPX5001 KPX500.1 500-Watt Powersports & Motorcycle Subwoofer Amplifier. Specifically designed for motorcycles, it boasts a weather-resistant construction and impressive power output of up to 500 watts. With versatile connectivity and enhanced control options, this compact amplifier ensures a robust sound experience. Dimensions: 3-5/8"W x 1-11/16"H x 8-1/2"L. Also included is the Kicker KMG12 12-Inch (30cm) Grille for KM12 and KMF12 Subwoofer, LED, Charcoal, perfect for protecting your bass with its waterproof design and silicone-coated LEDs. Add the KMLC LED Controller for 20 vibrant colors and 19 lighting modes. Compatible with marine coaxial speakers and subwoofers, the Kicker 41KMLC LED Light Controller lets you customize your boat's look with brightness control, fade adjustments, and dynamic modes. Complete your setup with the Kicker KMF12 12-inch (30cm) Weather-Proof Subwoofer for Freeair Applications 4-Ohm. This marine subwoofer is built to withstand the elements, featuring a sealed motor structure and splash-proof design. Enjoy deep, loud bass with its features like a four-ohm voice coil, Santoprene surround, and marine-grade construction. Installation is easy with included stainless mounting hardware. Dimensions: Mounting Depth 5.5", Hole Diameter 11", Outer Diameter 13".