Elac FS 249. Mid-range driver size: 140 mm, Woofer size: 180 mm. RMS rated power: 200 W, Peak Music Power Output (PMPO): 250 W, Frequency range: 28 - 50000 Hz. Weight: 31000 g. Type: Floor-standing speakers, Dimensions (WxDxH): 260 x 368 x 1147 mm, Audio output channels: 1.0