Ceiling speaker with power rating of 6 W (selectable to 3 and 1 W), 100 V line. 6" speaker. Frequency response of 100-15.000 Hz. Sensitivity 93 dB (1 W, 1 m and 1 kHz). Maximum sound pressure level 101 dB (6 W, 1 m and 1 kHz). Surface mounting. Dimensions 245 mm (Ø) x 950 mm (depth). ABS and metallic grille, white colour (RAL 9016).