Two-way ceiling speaker (woofer 6.5"+ tweeter 0.75"), with power rating of 15 W (selectable to 7.5 and 3.75 W). Frequency response of 60-20.000 Hz. Sensitivity 90 dB (1 W, 1 m and 1 kHz). Maximum sound pressure level 102 dB (15 W, 1 m and 1 kHz). Quick mounting system and finishing in white metal.