As far as all-in-one solutions go, you simply can’t beat the Marine Dual Amplified Bass Tubes. Easy to install, these amplified tubes are the perfect way to upgrade your boat’s audio system. The end result is seamless integration, both electrically and audibly. Made with stainless steel hardware, all our marine tubes are salt, fog and UV certified. They come with weather-resistant, Velcro-reinforced straps that allow for secure mounting.