This paging horn offers high efficiency excellent intelligibility and sturdy all metal construction. Features: Tilt and swivel base for easy aiming 12in. connecting cable for easy installation Frequenzy response from 350Hz to 12kHz Weatherproof design 15 watts Input Impedance: 8 ohms Dispersion: 130 Sound Pressure Level: 120dB @ 4 feet on axis with 15-watt input at 1000Hz Dimensions: 6-1/4in. diameter bell x 6in. D.