AB speaker for 70 / 100V lines with fire protection. 2x6W max power 2x Low loss transformer 6/3 / 1.5W @ 100V, 3 / 1.5 / 0.75 @ 70V, Frequency response: 300-15000Hz +/- 5dB, Sensitivity: 100.7 dB (1W / 1m) , Dimensions in mm (Length x width x depth) 252 x 194 x 82. Color: RAL: 9003. Protection degree IP 54 and Type B according to EN54-24.