5.25” bidirectional cylindrical sound projector. Vandal-proof aluminium container suitable for 70/100V lines. 30W maximum power. Low loss transformer 20W, 10W, 5W, 2.5W@100V, 20W, 10W, 5W@70V, Frequency response: 150Hz 20kHz, Sound pressure: 101dB/90dB (1W, 1m). Dimensions 140 x 195 mm, Weight: 2.65 Kg, Colour: white RAL: 9003. (Mounting bracket included). Protection rating IP 65 Type B according to EN54 24.