Elac IC 1010. Tweeter size: 25 mm, Woofer size: 165 mm. RMS rated power: 50 W, Peak Music Power Output (PMPO): 70 W, Frequency range: 35 - 25000 Hz. Depth: 107 mm, Diameter: 232 mm, Weight: 2000 g. Type: In-wall/On-wall/In-ceiling speakers, Audio output channels: 1.0