Bidirectional cylindrical sound projector, 5.25”. Vandal-proof aluminium enclosure suitable for 70/100V lines. Maximum power 30W. Low-loss transformer: 20W, 10W, 5W, 2.5W @ 100V, 20W, 10W, 5W @ 70V. Frequency response 150Hz...20000Hz. Sound pressure: 101dB/90dB (1W, 1m). Dimensions 140 x 195mm. Colour white RAL 9003. Mounting bracket included. Protection rating IP65. Type B according to EN 54-24.