Acoustic column with power rating of 20 W (selectable to 15 and 10 W) in 100 V line. 1 x 5" bicone speaker. Frequency response of 100-17.000 Hz. Sensitivity 92 dB (1 W, 1 m and 1 kHz). Maximum sound pressure level 105 dB (20 W, 1 m and 1 kHz). Weight 2.0 kg. Dimensions 197 x 290 x 118 mm.