Total output power: 5W x 2 Frequency response: 140Hz to 20kHz Input sensitivity: 500mV S/N: greater than 75dB Impedance: 4 Ohms Subwoofer dimensions: 100 x 75 x 130mm Satellite dimensions: 100 x 75 x 130mm Speaker size: 2.25 inches Gift box size: 230 x 80 x 135mm Carton size: 504 x 482 x 292mm/24 sets Gross/net weight (carton): 25/24kg Fits for Notebook Excellent sound Front panel: painted glossy black