Magnat Needle Alu Super Center. Tweeter size: 13 mm, Woofer size: 70 mm. RMS rated power: 65 W, Peak Music Power Output (PMPO): 100 W, Frequency range: 55 - 30000 Hz. Width: 402 mm, Depth: 115 mm, Height: 90 mm. Type: Bookshelf, Dimensions (WxDxH): 402 x 115 x 90 mm, Audio output channels: 2.0