• HO-1700AC/HO-1700AD

    HO-1700AC/HO-170

    Discussion and video attendance unitFrequency resp......

  • HO-1710C/HO-1710D

    HO-1710C/HO-1710

    Discussion, vote and video attendance unitFrequenc......

  • HO-1720C/HO-1720D

    HO-1720C/HO-1720

    Discussion, vote and video attendance unitFrequenc......

  • HO-1730C、HO-1730D

    HO-1730C、HO-173

    Discussion and video attendance unitTechnical para......

  • HM-1780c/d

    HM-1780c/d

    Discussion and video attendance unitFrequency resp......

  • HO-1790BcBd/HO-1790AcAd

    HO-1790BcBd/HO-1

    Discussion, vote and video attendance unitFrequenc......

  • HO-1808

    HO-1808

    Automatic tracking camera conference systemHO-1808......

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.

MORE

Contact us

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