Visaton SC 4.7 ND. RMS rated power: 2 W, Peak Music Power Output (PMPO): 4 W, Frequency range: 220 – 20000 Hz. Transducer material: Paper. Weight: 41 g. Operating temperature range (T-T): -25 - 70 °C. Type: TV/Monitor speakers, Dimensions (WxDxH): 41 x 27 x 71 mm, Audio output channels: 1.0