Output Power:30W+30W 
Impedance:4 ohm                
F/R:20hz～20khz                 
S/N ratio:≥72db          
Separation:≥48db            
Speaker Unit:2"×2+6.5"×2       
Dimension(D×W×H):190×210×420mm
Function: USB/SD/With Light
Packing size:(L×W×H):420×225×435mm
20FT/40HQ container :658/1610Sets