Lubell Labs Inc. of Columbus Ohio USA proudly presents the CAWSS Apex Complete Air & Underwater Sound System, which provides LOUD & CLEAR air and underwater sound in 25 yard pools. This powerful state-of-the-art system is proven for training high school and collegiate competitive swimmers, allowing coaching via wireless microphone, or music and beats via Bluetooth or digital media. This remarkable system holds many patents, and carries the distinction of being the first truly affordable performance system offered to the sport of Competitive Swimming. Lubell Labs also offers the CAWSS Stageman for Synchronized Swimming.