• HD-32


    Input :24 Mono Mic/Line-Gain Inputs (TRS + XLR)2 G......

  • HD-16


    Input :12 Mono Mic/Line-Gain Inputs (TRS + XLR)2 G......

  • HD-8


    Input :4 Mono Mic/Line-Gain Inputs (TRS + XLR)1 Gr......

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