• RH-12

    RH-12

    Frequency response: 48Hz-20KHzSensitivity: 100dBIm......

  • RH-15

    RH-15

    Frequency response: 38Hz-20KHzSensitivity: 103dBIm......

  • RH-18

    RH-18

    Frequency 28HZ-250HZRated power 600WPeak 1200WImpe......

  • RH-218

    RH-218

    Frequency response: 30Hz-150KHzSensitivity: 105dBI......

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