• FBQ-2031


    Outer packing size: 620×300×110Weight: 2.5KgThe ......

  • FBQ-2062


    Input gain: 36dBMaximum output voltage: 8V MAXSign......

  • HA-231A


    Size: 610×290×110Weight: 5.1KGThe additional hig......

About us

Greatwall Group administrates GUANGZHOU PRECISE SOUND ELECTRONIC MANUFACTORY and GUANGZHOU ZHUNKUAI HARDWARE MANUFACTORY.It designs, manufactures and sells pro-audio products and hardware products. Our products include professional loudspeakers, line array, power amplifiers, mixers, signal processor, amplifier cases, mixer cases, etc.


Contact us

  • Guangzhou polyacoustic acoustics Trade Co., Ltd.
  • 4408-771-883
  • jusound@greatwallaudio.com
  • Guangzhou City, Panyu District District Shanxi road quasi