8" woofer + 1/2" tweeter with crossover filter, made of metal for 70/100V lines. Low-loss transformer 40/20/10/5/2,5W@100V, 20/10/5/2.5/1,25W@70V, 8 ohms. Frequency response: 50Hz - 20kHz +/-3dB, Sensitivity: 88dB (1W, 1m), Dimensions in mm (Diameter x Depth): 270 x 105, Weight: 1,8 kg. Colour: RAL9016.