• VX-8272

    VX-8272

    Nominal impedance:8Ω Frequency response:65Hz-1......

  • MR-380

    MR-380

    The mr-380 is a full-frequency short-range project......

  • MR-280

    MR-280

    The mr-280 is a full-frequency short-range project......

  • PA-18B

    PA-18B

     Frequency response:35Hz-150Hz(-10dB)40Hz-1......

  • 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......

  • J-12LT

    J-12LT

    Impedance: 8 Ω Frequency response: 250Hz-20K......

  • J-15LT

    J-15LT

    Impedance: 8 ΩFrequency response: 250Hz-20KHzInpu......

  • J-10LT

    J-10LT

    Impedance: 8 Ω Frequency response: 250Hz-18K......

  • 3678

    3678

    Impedance: 8 Ω Frequency response: 30Hz......

  • 4645B

    4645B

    Impedance: 8 Ω Frequency response:30Hz-20KHz......

  • 4670D

    4670D

    Impedance: 4 Ω Frequency response: 35Hz......

  • 4675C

    4675C

    Impedance: 4 ΩFrequency response: 35Hz-20KHz......

  • 8340

    8340

    Impedance: 8 ΩFrequency response: 45Hz-19KHz......

  • MA-6EX

    MA-6EX

    Frequency Response :58Hz-16KHz(-10dB),75Hz-13KHz(±3......

  • MA12EX

    MA12EX

    Frequency Response :58Hz-16KHz(-10dB),75Hz-13KHz(±3......

  • MA-062EX

    MA-062EX

    Frequency Response :40Hz-20KHz(-10dB),60Hz-18KHz(±4......

  • MA-122EX

    MA-122EX

    Frequency Response :55Hz-20KHz(-10dB),72Hz-18KHz(±3......

  • MA-162EX

    MA-162EX

    Model:MA-162EXNominal impedance:8Ω Frequency r......

  • X-10

    X-10

    Frequency response:60Hz-20kHz(-10dB)75Hz-19kHz(±3.5dB......

  • X-10A(Active)

    X-10A(Active)

    Frequency response: 60Hz-20KHz(-10dB),75Hz-19KHz(±3.5......

  • X-10W

    X-10W

    Frequency response:45Hz-400Hz(-10dB)55Hz-300Hz(±3.5dB......

  • X-12

    X-12

    Frequency response:53Hz-20kHz(-10dB)65Hz-19kHz(±3.5dB......

  • X-12A(Active)

    X-12A(Active)

    Frequency response: 53Hz-20KHz(-10dB),65Hz-19KHz(±3.5......

  • X-12W

    X-12W

    Frequency response:42Hz-400Hz(-10dB)50Hz-300Hz(±3.5dB......

  • X-15

    X-15

    Frequency response:45Hz-20kHz(-10dB)58Hz-19kHz(±3.5dB......

  • X-15A(Active)

    X-15A(Active)

    Frequency response: 45Hz-20KHz(-10dB),58Hz-19KHz(±3.5......

  • X-15W

    X-15W

    Frequency response:40Hz-400Hz(-10dB)48Hz-300Hz(±3.5dB......

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