Heco Celan 300. Tweeter size: 25 mm, Woofer size: 170 mm. RMS rated power: 100 W, Peak Music Power Output (PMPO): 160 W, Impedance: 8 Ом. Width: 234 mm, Depth: 332 mm, Height: 360 mm. Type: Bookshelf, Audio output channels: 2.0