Visaton W 170 S. Driver size: 165.1 mm (6.5 "), Tweeter size: 170 mm. RMS rated power: 50 W, Peak Music Power Output (PMPO): 80 W, Frequency range: 33 – 8000 Hz. Transducer material: Paper. Weight: 1100 g. Dimensions (WxDxH): 187 x 81 x 187 mm, Audio output channels: 1.0, Material: Metal, Plastic