Description Drive Unit : Sub: 5″ Sat: 3″x2 Output Power: 16W+7WX2(RMS) R.Frequency: 20Hz – 20KHz Separation: ≤ 40db S/N:≤70db Distortion :≤0.5%(1K,1W) Power Supply:˜ 230v 50Hz Dimensions(mm) : L340XW212XH402 BLUETOOTH MEMORY CARD SLOT FM RADIO PEN DRIVE SLOT BEST SOUND AND QUALITY