Elac 35400. Tweeter size: 19 mm, Woofer size: 80 mm. RMS rated power: 45 W, Peak Music Power Output (PMPO): 65 W, Frequency range: 90 - 21000 Hz. Weight: 950 g. Type: Floor-standing speakers, Dimensions (WxDxH): 88 x 102 x 132 mm, Audio output channels: 1.0