Total power output:RMS 16W x 2 + 19W x 2 THD + N (testing level):10% Signal to noise ratio:?85dBA Frequency response:R/L: 3.4KHz - 20KHz | SW: 30Hz - 3KHz Distortion:?0.5% Chanel separation:?45dB Input sensitivity:PC: 700mV±50mV | Aux: 550mV±50mV Audio Input Type:Dual RCA Adjustment:Wireless remote control for volume adjustment and power Speaker unit:Tweeter: 19mm, 4Ω | Bass unit: 4 inch (116mm) 6Ω | Bass: 8 inch (210mm) 4Ω Dimension:154mm x 254mm x 224mm (W x H x D) Weight:6.6KG | 7.65Kg