DELTA SERIES - Designed for high power PA/monitor speaker applications, all Delta series speakers feature a heavy 56oz. magnet and handle 350 watts RMS continuous power. Frequency response is 65Hz to 3.5kHz and impedance is 8 ohms. Designed for midrange in three-way systems and bass -mid in two-way systems. Also suitable for bass guitar, keyboards, club music systems and stage monitors.