Power output : RMS 8W2 + 18W Signal to noise rate:90dba Frequency response : R/L: 200Hz–20KHz SW: 55Hz-180Hz Input sensitivity : R/L: 200±50mV (AUX) 650±50mV (CD) 450±50mV (PC) 300±50mFFS (Bluetooth) SW: 150±50mV (AUX) 400±50mV (CD) 300±50mV (PC) 250±50mFFS (Bluetooth) Bass unit : 5 inches Mid-range unit : 50mm?90mm Treble uni:Φ10mm