Visaton DT 94. Driver size: 20.3 mm (0.8 "), Tweeter size: 20 mm. RMS rated power: 70 W, Peak Music Power Output (PMPO): 100 W, Frequency range: 1200 – 22000 Hz. Transducer material: Polycarbonat. Weight: 240 g. Dimensions (WxDxH): 94 x 23 x 94 mm, Audio output channels: 1.0, Material: Metal, Plastic