1)2.1CH Multimedia Speaker System 2)Response Frequency :18HZ-20KHZ 3)With Volume, Bass, Treble Control Speaker1)Output power: RMS 80W=25W*2+(10W+5W)*22)S/N ratio:≥75 dB3)THD:≤0.5%4) Response Frequency:18HZ-20KHZ5)Speaker Driver:4*2"+(3+1.5)"*26)With Volume, Bass, Treble Control7)Subwoofer Size:360*135*250mm More detail about this product V VS-2152welcome to our website www.verta.co