Ceiling speaker with power rating of 6 W (selectable to 6, 3 and 1.5 W), 100 V line. 5" speaker. Complies with voice alarm norm EN54. Frequency response of 104 ~ 17.200 Hz. Sensitivity 98 dB and SPL max 106 dB (1 m, 1 kHz). Dimensions 181,5 mm (Ø) x 66 mm (depth), ceiling mounting hole 150 mm Ø. Weight 0,50 kg. It can be installed in shallow suspended ceilings and has a antistatic PET-plastic contact protection. White colour RAL 9016.