Power output : R/L (Treble): 14W+14W R/L (Mid-range): 14W+14W R/L (Bass): 40W+40W Frequency response : 45Hz-20KHz Input : Line in/Optical/Coaxial/Bluetooth Bass unit : 6½ inch (178mm) Mid-range unit : 4 inch (116mm) Treble unit : inch (19mm) NdFeB Length (cm): 54.9 Width (cm): 38.5 Height (cm): 47.0 Net Weight (kg): 18.00 Gross Weight (kg): 19.50 Pieces per box: 1