Quadral Quintas 505. Tweeter size: 25 mm, Mid-range driver size: 100 mm, Woofer size: 200 mm. RMS rated power: 140 W, Peak Music Power Output (PMPO): 280 W, Frequency range: 26 - 22000 Hz. Weight: 15500 g. Type: Floor-standing speakers, Dimensions (WxDxH): 265 x 305 x 953 mm, Audio output channels: 2.0