Full range ceiling speaker with 12 cm speaker and 30 W RMS power in 100 V line. Power selection: 30, 15, 5, 1.5 and 0.8 W. Connection to 8 and 16 ohm . Frequency response from 80 to 20,000 Hz. Sensitivity of 90 dB SPL at 1 kHz, 1 W and 1 m. Maximum sound pressure of 105 dB at 1 kHz and 1 m. Wire mesh grille and fire resistant ABS frame (UL94V0), 230 mm diameter, flat panel. Metal back dome. Required hole: 200 mm. Mounting depth: 200 mm. Weight: 5 kg.