Total RMS:40W Speaker Driver: 4”4 Main Controls:Vol, Remote Control , Audio Input:USB/TF Card,Bluetooth,FM AUX Top can put the Phone&Table PC Frequency Response: 80Hz – 20KHz S/N Ratio: ≥85dB Sensibility: 680mV 1000Hz Dimensions (HxLxD): 230x230x1000mm Power Input:AC 230V Audio Input:3.5MM Plug