Quadral CHROMIUM STYLE 100. Mid-range driver size: 135 mm, Woofer size: 135 mm. RMS rated power: 150 W, Peak Music Power Output (PMPO): 225 W, Frequency range: 32 - 65000 Hz. Weight: 22 kg. Type: Floor-standing speakers, Dimensions (WxDxH): 178.9 x 259.5 x 1110.5 mm, Audio output channels: 2.0