These high quality marine audio boat speakers all supply a wide range of speaker types at great prices online. Coaxial - 2 way, 5.25, 6, 6 x 9, 6.5, and 7 inch speakers will give your boats audio system the right amount of audio. Upgrading your boat's audio system has never been as easy as it is today. With a wide range of marine rated speakers in various sizes we have something that will work for your system.