... , decoder,power board,user manual, panel, color box ... Full-range speaker driver15W 4ohm2.75"Frequency Response180Hz-20KHz Distortion1% S/N Ratio ... South Africa Taiwan Thailand United Arab Emirates We make speaker from 1993 Our factory Guangzhou Yinghuang Audio Facilities Co., ... manufacturing home theatre, including DVD, VCD, amplifier and speaker etc. The standard workshop of our company occupies an ...