Visaton W 250. Driver size: 254 mm (10 "), Woofer size: 250 mm. RMS rated power: 90 W, Peak Music Power Output (PMPO): 130 W, Frequency range: fu – 6000 Hz. Transducer material: Paper. Dimensions (WxDxH): 255 x 110 x 255 mm, Audio output channels: 1.0, Material: Metal, Plastic