Output Power:30W+30W  
Impedance:4 ohm                
F/R:20hz～20khz                 
S/N ratio:≥72db          
Separation:≥48db            
Speaker Unit:2"×4+6.5"×2       
Dimension(D×W×H):190×210×420mm
Function: USB/SD/FM
Packing size:(L×W×H):390×220×435mm
20FT/40HQ container :729/1783Sets