Elac CC 601 CE. Mid-range driver size: 105 mm, Woofer size: 180 mm. Peak Music Power Output (PMPO): 220 W, Frequency range: 35 - 50000 Hz, Impedance: 4 Ом. Amplifier output power: 300 W. Weight: 16 kg. Type: Floor-standing speakers, Dimensions (WxDxH): 522 x 318 x 276 mm, Audio output channels: 1.0