• B-2000

    B-2000

    Input impedance: 20KΩ -10KΩFrequency response: 2......

  • B-2500

    B-2500

    Input impedance: 20KΩ -10KΩFrequency response: 2......

  • B-3000

    B-3000

    Input impedance: 20KΩ -10KΩFrequency response: 2......

  • B-3500

    B-3500

    Input impedance: 20KΩ -10KΩFrequency response: 2......

  • B-4000

    B-4000

    Input impedance: 20KΩ -10KΩFrequency response: 2......

  • B-4500

    B-4500

    Input impedance: 20KΩ -10KΩFrequency response: 2......

  • B-5000

    B-5000

    Input impedance: 20KΩ -10KΩFrequency response: 2......

  • B-5500

    B-5500

    Input impedance: 20KΩ -10KΩFrequency response: 2......

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