Elac FS 607 CE. Mid-range driver size: 105 mm, Woofer size: 180 mm. Peak Music Power Output (PMPO): 250 W, Frequency range: 28 - 50000 Hz, Impedance: 4 Ом. Amplifier output power: 400 W. Weight: 37000 g. Type: Floor-standing speakers, Dimensions (WxDxH): 319 x 354 x 1155 mm, Audio output channels: 1.0 This is an auto-generated long summary based on the first three features of the first five feature groups.