Visaton AL 130. Mid-range driver size: 130 mm. RMS rated power: 60 W, Peak Music Power Output (PMPO): 90 W, Frequency range: fu – 8000 Hz. Driver cone material: Aluminium. Diameter: 114 mm, Weight: 1 kg. Dimensions (WxDxH): 153 x 153 x 62.5 mm, Audio output channels: 1.0, Material: Aluminium, Metal