3” flush ceiling diffuser with loudspeaker. Metal container suitable for 70/100V lines with built-in fire / flame protection cover. 9W maximum power. 6W, 3W, 1.5W, 0.75 W @100V and 3W, 1.5W, 0.75 W, 0.375W @70V low-loss transformer. Frequency response: 180-20000 Hz +/ 10dB. SPL (1W 1m): sound pressure 84 dB. Dimensions: 105x90 mm Weight: 0.5 Kg. Colour: white RAL 9016 front and red RAL 3000 cover. Protection rating: IP44 type A according to EN54 24.