The UW 30 represents a departure from conventional designs of underwater sound sources. Its unique, patented design uses the case's structural enclosure as the sound transducer. Underwater speakers are required equipment for many activities in commercial, luxury resort pools and synchronized swimming events or instructions in Olympic pools. They are used for water ballets and similar water shows. UW 30 has a high-fidelity sound with low distortion, and the effect of music played underwater through it is truly enchanting. The UW30 underwater speaker is equipped with a waterproof, 3-conductor 50-foot cable. 8-ohm impedance, available in pool blue. Underwater speakers are required by the American Athletic Union for synchronized swimming events and instructions in Olympic pools. They are also ideal for water ballets or similar water shows and resort or private pools. Built for installation in both fresh and salt water pools, the UW30 can even be safely installed in ocean environments. Desi