Solution

  • Primary public broadcasting solutions

    Primary public broadcasting solutions

    Preface:Modern primary school is often in preschool education and primary school education development, with the area of campus layout structure of a large area,...

    2017-22-04handler986

  • Mine emergency IP broadcast system

    Mine emergency IP broadcast system

    First, the user needsDue to the geographical conditions of our province, contains a wealth of mineral resources in the province, there are nearly more than and ...

    2017-22-04handler825

  • Hotel background music system solution

    Hotel background music system solution

    User profiles and requirementsA star hotel building, a total of 13 floors, the ground floor of the 10, there are underground garage, is now planning to do a set...

    2017-22-04handler848

  • Unit broadcast system solution

    Unit broadcast system solution

    A unit is a high performance multifunctional office building, in order to ensure the various departments of communication and coordination work line of confiden...

    2017-22-04handler701

  • Conference system audio interference solution

    Conference system audio interference solution

    Conference system signal flowBranch field equipment including conference terminals and related external equipment, equipment types and functions. Audio signal t...

    2017-22-04handler681

  • Haman IP network fault solution

    Haman IP network fault solution

    (about Haman)Pay attention to the official Haman WeChat: WeChat public platform to enter HARMAN to add or scan the two-dimensional code below WeChat.Haman offic...

    2017-22-04handler732

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