Experience powerful, immersive sound with GP1812A, a heavy-duty 18” powered subwoofer combined with GH12, our 12” passive coaxial satellite featuring K-array™ SAT® (Slim Array Technology).

With the ability to drive up to 3 GP1812 passive systems in a stereo configuration, this system features Powersoft™ DSP and power module with Ethernet remote control and Armonia™ control software for seamless control.

Perfect for small to medium high-performance outdoor/indoor applications for touring, live bands, auditoriums, pubs, and clubs, GP1812A boasts a high-performance-to-size/weight ratio and can be set up quickly and easily.

User Tip: optimize the cost and combine the system with the passive model to extend the cluster or create a stereo configuration.


GP line

Powerful sound, wherever you go.



  • Type:  

    Powered 18” sub + 12” Array element

  • Transducers:  

    SUB: 18” / TOP: 12” coaxial 1” compression driver

  • Frequency Response:  

    30 Hz - 20 kHz (-6dB)

  • Max SPL:  

    129 dB

  • Rated Power:  

    SUB: 1500W / TOP: 400W

  • Coverage:  

    V.30° - H.90°

  • Connectors:  

    2x Combo jack-XLR female line, 1x RJ45, 1x SpeakOn to drive a GP1812 Passive System in a stereo configuration

  • Controllers:  

    Volume potentiometer, RJ45 connector, DSP can be remotely controlled via an Ethernet connection through Powersoft ArmoniaPlus Software

  • Amp Module:  

    4-channel Class-D audio amplifier

  • Output Power:  

    4x1500W RMS @4Ω

  • Power Consumption:  

    500W Rated Load (1/8 Max Output Power)

  • Protections:  

    Thermal Protections (Power limiting - Thermal Shutdown), Short-circuit/overload output protections, stationary high frequency protection, peak limiter, RMS limiter, frequency dependent RMS limiter, Clip limiter

  • Operating Range:  

    100-240V AC, 50-60 Hz

  • Nominal Impedance:  

    SUB: 8Ω / TOP: 32 Ω

Handling and Finishes

  • Dimensions (W x H x D):  

    545x1690(min)x600 mm (21.46x66.54x23.6 in)

  • Weight:  

    52kg (114,64lbs)

  • Material:  

    SUB: Birch plywood / TOP: Stainless steel

  • Colors:  


  • IP Rating:  

    SUB: IP41
    TOP: IP54


GP1812A Datasheet


GP1812A User Manual



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