Visaton W 300 S. Driver size: 304.8 mm (12 "), Woofer size: 300 mm. RMS rated power: 150 W, Peak Music Power Output (PMPO): 200 W, Frequency range: 29 – 4200 Hz. Transducer material: Paper. Weight: 4500 g. Dimensions (WxDxH): 332 x 144 x 332 mm, Audio output channels: 1.0, Material: Metal, Plastic