... 150-20KHZ Distortion:0.2% 1W 1KHZ 2.1 ,5.1 speaker ,sound,E-bass Output power:350w Panel having all ... Volume control, integral adjustment High or low pitch sound adjustment Independenty choose music style 8 inch ultra-heavy ... bass unit, sound flow design Fine tone quality,high acooustic effect Hang ... 150-20KHZ Distortion:0.2% 1W 1KHZ 2.1 ,5.1 speaker ,sound,E-bass