Visaton DSM 50 FFL. Tweeter size: 50 mm. RMS rated power: 120 W, Peak Music Power Output (PMPO): 180 W, Frequency range: 400 – 15000 Hz. Diameter: 150 mm, Weight: 1260 g. Dimensions (WxDxH): 150 x 150 x 50 mm, Audio output channels: 1.0, Material: Metal