Samsung MM-E330D. RMS rated power: 70 W, Frequency response: 20 - 20000 Hz, Peak Music Power Output (PMPO): 800 W. Speaker type: 2-way, Number of loudspeakers: 2 pcs, Mid-range driver size: 127 mm. Playback disc formats: CD audio, DVD audio. Audio formats supported: MP3, WMA, Image formats supported: JPG, Video formats supported: DIVX, WMV. Supported radio bands: FM