Specification Colour Black Made in China Brand ISonic Item Type Speakers Model IS 467 Output Power 15W+10W*2(RMS) Speaker Unit Subwoofer 5.2580hm Satellite 3” 40hm Frequency 40Hz-20KHz Separation >-50dB S/N >-75dB Distortion 0.5% (1k ,1W ) Input AC 220-240V,50/60Hz