• HO-M606

    HO-M606

    Multifunctional active microphone hubMaximum outpu......

  • HO-M1010

    HO-M1010

    Multifunctional active microphone hubMaximum outpu......

  • HO-V48

    HO-V48

    Engineering configuration phantom power supplyThe ......

  • HO-V482

    HO-V482

    Engineering configuration phantom power supplyDual......

  • HO-V660S

    HO-V660S

    Dual function window intercomUsing power: DC220/11......

  • KI-413

    KI-413

    Peripheral / front stagePower supply mode: AC220V-......

  • 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......

  • HO-1300C

    HO-1300C

    Pocky series conference systemHO-1300C master comp......

  • HO-1320、HO-1360c、HO-1360d

    HO-1320、HO-1360

    Discussion conference system, host, chairman unit,......

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.

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Contact us

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