Visaton TIW 250 XS. Driver size: 254 mm (10 "), Tweeter size: 250 mm. RMS rated power: 200 W, Peak Music Power Output (PMPO): 300 W, Frequency range: fu – 3000 Hz. Diameter: 234 mm. Dimensions (WxDxH): 276 x 276 x 121.2 mm, Audio output channels: 1.0, Material: Glass, Metal, Polyfabric