Circular horn speaker with power rating of 30 W (selectable to 30, 15, 7.5 and 3,8 W) in 100 V line. Low impedance (8 ohm) connection. Frequency response of 380-10000 Hz. Sensitivity 109 dB (1 W, 1 m and 1 kHz). Maximum sound pressure level 121 dB (30 W, 1 m and 1 kHz). Weight 2.1 kg. Dimensions Ø246 x 292 (mm). Finishing aluminium, steel bracket, suitable for outdoor (IP-66).