Visaton WS 20 E. Driver size: 203.2 mm (8 "), Mid-range driver size: 200 mm. RMS rated power: 60 W, Peak Music Power Output (PMPO): 90 W, Frequency range: fu – 7000 Hz. Diameter: 219 mm, Weight: 1.3 kg. Dimensions (WxDxH): 236 x 236 x 94 mm, Audio output channels: 1.0, Material: Metal, Polypropylene