Enhance your boating experience with these 4-inch Polk Audio marine coaxial speakers. They let you enjoy dynamic sound at 60Hz - 22kHz, and their drop-in installation is universally compatible with ATVs, motorcycles and other rugged vehicles. These 45W Polk Audio marine coaxial speakers have UV-tolerant polypropylene cones for clean sound and long-lasting sonic performance.Geek Squad® Installation RecommendedVisit your local Best Buy store for more information. | Polk Audio | | DB+ Series 4" 2-Way Coaxial Speakers with Polypropylene UV Tolerant Cones (Pair | Black | Best Buy