Bosch LCE-06MWE 6W Ceiling loudspeaker, metal, EN54-24, Coverage angle HxV (-6 dB, 1 kHz) (°): 165 x 165 °, Coverage angle HxV (-6 dB, 4 kHz) (°): 80 x 80 °, Rated input voltage (V): 70 V; 100 V, Rated power (W): 6 W, Sensitivity (1 W, 4 m, 100 Hz - 10 kHz)(dB): 79 dB, Sound pressure level (rated power, 4 m, 100 Hz - 10 kHz) (dB): 92 dB, Storage temperature (°C): -40 – 70 °C, Weight (kg): 0.94 kg.