• DP-1612

    DP-1612

    16-way balanced microphone/line input with 48V pha......

  • DP-880

    DP-880

    8-way balanced microphone/line input with 48V phan......

  • DP-8800

    DP-8800

    System specificationfrequency response20Hz-20kHz, ......

  • DP-8800

    DP-8800

    System specificationfrequency response20Hz-20kHz, ......

  • UPS-0808

    UPS-0808

    Analog input: 8 balancedAnalog output: 8 balancedM......

  • FBQ-2031

    FBQ-2031

    Outer packing size: 620×300×110Weight: 2.5KgThe ......

  • FBQ-2062

    FBQ-2062

    Input gain: 36dBMaximum output voltage: 8V MAXSign......

  • HA-231A

    HA-231A

    Size: 610×290×110Weight: 5.1KGThe additional hig......

  • GFE-2

    GFE-2

    Processor: digital feedback suppressorUser availab......

  • M-GFE

    M-GFE

    Size: 45×482×152mm Weight: 2KgIs a cost-eff......

  • MF-288

    MF-288

    Size (HWD) (mm): 48 * 489 * 180......

  • DSP3.1

    DSP3.1

    Professional 24bit digital tone modulation, analog......

  • DSP5.1

    DSP5.1

    Professional 24bit digital tone modulation, analog......

  • KI-415

    KI-415

    Functional characteristicsMusic1. music parameter ......

  • VP-4000

    VP-4000

    Double reverb simulatorThe professional front effe......

  • HA-082

    HA-082

    sequencer has eight output sockets for accessing e......

  • PS803-C

    PS803-C

    Use and range of products:Type PS803-C is an ordin......

  • PS803-D

    PS803-D

    Use and range of products:PS803-D type high power ......

  • PS803-E

    PS803-E

    Use and range of products:PS803-E is the European ......

  • Q-80

    Q-80

    Output voltage per socket:AC220V/50~60HzEach socke......

  • Q-81

    Q-81

    Outer packing size:610×510×170mmGross weight: 11......

  • Q-82

    Q-82

    Outer packing size:610×510×170mmGross weight: 12......

  • Q-83

    Q-83

    Outer packing size:710×590×180mmGross weight: 16......

  • Q-84

    Q-84

    Outer packing size:710×590×180mmGross weight: 17......

  • HA-252

    HA-252

    Size: 610 * 290 * 110Weight: 3.2KgHA-252 is an act......

  • HA-720

    HA-720

    Size: 610 * 290 * 110Weight: 3KgHA-720 compression......

  • H-3000

    H-3000

    24bit's high power processing capability, as w......

  • VP-2000

    VP-2000

    Design emphasis1 、 dual DSP chip reverberation de......

  • VP-3000

    VP-3000

    The sound source input design can connect two grou......

  • HO-320

    HO-320

    Size: 610 * 290 * 110Weight: 3KgExciter is a class......

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