Total Power output: RMS 21Wx2 (DRC ON) Signal to noise ratio: _85dBA Distortion:0.5% Frequency response: 65Hz-20KHZ (±6dB) Input sensitivity: PC :700mV±50mV Aux: 550mV ± 50mV Adjustment: Volume, bass and treble adjustment Bass unit: 4 inch (116mm) with bass reflection port Treble unit: 13mm silk dome tweeter Speaker dimension: 140mmx226mmx197mm (WxHxD) Input Type: RCA - 3.5mm Auxiliary, RCA Net weight: Approx. 4.2Kg Gross weight: Approx. 5Kg