... 220VOutput (RMS):10W+3W*2Frequency response:60HZ-20KHZIC1*2025+1*2025S/N:70dBColorblack Subwoofer speaker unit4" 8Ωsatellite ... products are mini speakers,2.0 speakers,2.1 speakers,5.1 speakers and other electronic products. Our daily ... good quality. We have professional sales team, development department, PCB department, injection department, silkscreen department, Assembly department, total 4 ...