Tangent ALIO Stereo. Radio type: Personal, Supported radio bands: DAB, DAB+, DMB, FM, FM band range: 87.5 - 108 MHz. RMS rated power: 20 W, Total Harmonic Distortion (THD): 1 %. Driver size: 76.2 mm (3 "). Width: 370 mm, Depth: 200 mm, Height: 135 mm. Input voltage: 220 V, Input frequency: 50/60 Hz