Home theatre Frontfl/fr/sl/sr center surround Bass:6.5s2 3s2+6s2 5s1 Mediant:3s2 Treble:1s1 1s1 1s1 Frequency response:45hz-20khz130hz-18khz 150hz-18khz Sensitivity:88db 85db 85db Rms 45w 20w 15w Max input power:90w 40w 30w Impedance: 4ohm 4ohm 4ohm Dimension (whd, mm)2201185520750115179160320180 Net weight: 15.5kg3.8kg2.5kg Packed in carton