Elac CC 61. Woofer: 2x 140mm, Tweeter size: 25 mm, Woofer size: 45 mm. RMS rated power: 80 W, Peak Music Power Output (PMPO): 120 W, Frequency range: 48 - 25000 Hz. Width: 435 mm, Depth: 265 mm, Height: 170 mm. Type: Bookshelf, Audio output channels: 1.0