Power output :RMS 16Wχ2(Treble)+19 Wχ2(Mid-range and bass) Signal to noise ratio : ?85dBA Frequency response : 60Hz~20kHz (±6dB) Input sensitivity : Line in: 700 ± 50mV AUX: 550 ± 50mV OPT, COA: 400mFFs ± 50mFFs Input type : Auxiliary/Line in/Coaxial/Optical/Bluetooth Bass driver : 2?” (70mm) Treble driver : 3/4” (19mm) silk dome tweeter Speaker dimension : 1000Χ79Χ80 mm Packing box dimension : 1066Χ170Χ143mm