Full-range ceiling speaker (10 cm) and 6 W RMS power in 100 V line. Power selection: 6, 3, 1 and 0.5 W. Connection to 8 and 16 ohm. 80 to 20,000 Hz frequency response. 88 dB SPL Sensitivity at 1 kHz, 1 W and 1 m. Maximum sound pressure: 96 dB at 1 kHz and 1 m. Perforated steel grille and fire resistant ABS frame (UL94V0), 155 mm diameter, flat panel. Weight: 1.55 kg. Dimensions: 215 x 215 x 215 mm.