BTech Acoustics is an acoustic transducer research, development, engineering and manufacturing firm specializing in piezoceramic and piezocrystal transducers and electronic subsystem developments. Applications include underwater acoustic communications, navigation, sonar, detection and avoidance, and specialized piezoelectric and subsystem design and development. With facilities in Barrington RI and Fall River, MA, the firm also offers an extensive capability of transducer and subsystem modeling, performance prediction and prototyping . BTech's products are used in a variety of naval, commercial, and oceanographic applications.