Circular horn speaker with power rating of 15 W (selectable to 7.5, 3,75 and 1.9 W) in 100 V line. Low impedance (8 ohm) connection. Frequency response of 300-10000 Hz. Sensitivity 107 dB (1 W, 1 m and 1 kHz). Maximum sound pressure level 115 dB (15 W, 1 m and 1 kHz). Weight 1.3 kg. Dimensions Ø207 x 240 (mm). Finishing aluminium, steel bracket, suitable for outdoor (IP-66).