A high power, square faced horn tweeter with circular section horn, suitable as a treble unit in 2-way and 3-way PA, disco, organ and similar sound amplification systems. It offers low distortion and an exceptionally flat frequency response over the range 2kHz to >20kHz, and radiated evenly over 60° horizontal and vertical angles. A crossover must be used with this driver and the crossover point must be 3.5kHz or greater.