Elac CC 51.2. Tweeter size: 25 mm, Woofer size: 140 mm. RMS rated power: 70 W, Peak Music Power Output (PMPO): 100 W, Frequency range: 44 - 25000 Hz. Weight: 7000 g. Type: Floor-standing speakers, Dimensions (WxDxH): 445 x 280 x 160 mm, Audio output channels: 1.0