Magnat Interior Wireless Black. Tweeter size: 25 mm, Mid-range driver size: 130 mm. RMS rated power: 36 W, Peak Music Power Output (PMPO): 50 W, Frequency range: 34 - 32000 Hz. Amplifier output power: 2 W. Type: Bookshelf, Dimensions (WxDxH): 240 x 180 x 150 mm, Audio output channels: 2.0