• HO-3000c、HO-3000d

    HO-3000c、HO-300

    The embedded software installation, pluggable micr......

  • HO-3100c、HO-3100d

    HO-3100c、HO-310

    - embedded installation, soft pluggable microphone......

  • HO-3160c、HO-3160d

    HO-3160c、HO-316

    The embedded software installation, pluggable micr......

  • HO-3400c,HO-3400d

    HO-3400c,HO-3400

    - embedded installation, soft pluggable microphone......

  • HO-3500c,HO-3500d

    HO-3500c,HO-3500

    - embedded installation, soft pluggable microphone......

  • HO-1330

    HO-1330

    HO-1330Z/HO-1330S/HO-1330B /HO-1330/ HO-1300ZCommo......

  • HO-1220Bsc-HO-1220Bsd

    HO-1220Bsc-HO-12

    The microphone has a talk key and indicator light ......

  • HO-1700/HO-1380

    HO-1700/HO-1380

    HO-1700C/d、HO-1700Dc/Dd;HO-1380Bc/Bd、HO-1380c/dPr......

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