5" woofer and 1 tweeter with crossover filter, made of ABS with acoustically transparent metal grille for 70/100V lines, Low- loss transformer 30 / 15 / 7,5 / 3,75W @100V, 30 / 15 / 7,5 / 3,75 / 1,9W @70V, 8 ohms. Frequency response: 200-18000Hz +/- 3dB, Sensitivity: 88dB (1W 1m), Dimensions in mm (Width x Height x Depth): 162 x 242 x 182, Weight: 2.5 kg, Colour: RAL9016. (U Bracket included).