Power output :R/L (treble): 10W+10W R/L (midrange and bass): 30W+30W SW: 75W Signal to noise ratio :R/L: ?85dB(A) SW: 85dB Frequency response :R/L: 60Hz – 40KHz SW: 40Hz – 150Hz Input type :PC/AUX/Optical/Coaxial/Bluetooth Driver unit :Bass unit: 8-inch (220mm) Mids+bass unite: 4-inch (105mm) x 2 Tweeter unit: Planar diaphragm tweeter x 2