Visaton W 250 S. Driver size: 254 mm (10 "), Woofer size: 250 mm. RMS rated power: 100 W, Peak Music Power Output (PMPO): 150 W, Frequency range: 34 – 5500 Hz. Transducer material: Paper. Weight: 3000 g. Dimensions (WxDxH): 283 x 120 x 283 mm, Audio output channels: 1.0, Material: Metal, Plastic