Premium Sound - The Pro H2O Portable Speaker Features 40-Percent Larger Neodymium Drivers Than The Ultra, For Crystal-Clear Sound. The Stereo Enclosure Has 2X The Acoustic Air Space And A 30-Percent Larger Passive Bass Radiator For Richer, Deeper Bass. | Ipx7 Waterproof Speaker - This Indoor Or Outdoor Speaker Can Be Fully Submerged Up To 3-Feet Underwater For Thirty Minutes. With An Optional Boat Railing Bracket And Mount (Sold Separately), It
