Mordaunt-Short Performance 2. Tweeter size: 25 mm, Mid-range driver size: 100 mm, Woofer size: 165 mm. RMS rated power: 150 W, Peak Music Power Output (PMPO): 150 W, Frequency range: 48 - 30000 Hz. Driver cone material: Aluminium. Weight: 12000 g. Type: Home theatre speakers, Dimensions (WxDxH): 361 x 239 x 486 mm, Audio output channels: 1.0