Elac FS 57.2. Tweeter size: 25 mm, Woofer size: 145 mm. RMS rated power: 80 W, Peak Music Power Output (PMPO): 120 W, Frequency range: 38 - 25000 Hz. Weight: 14000 g. Type: Floor-standing speakers, Dimensions (WxDxH): 200 x 300 x 940 mm, Audio output channels: 1.0