Experience the perfect blend of power and precision with the KGEAR GA43, a compact 4-channel high-efficiency Class D amplifier featuring a Powersoft™ power module and integrated DSP processor. Capable of delivering up to 4x750W RMS per channel at 4 ohm or 2x1500W at 8 ohm / 100V*, this versatile amplifier is perfect for demanding applications.

Remote Programmability and Customization
The GA43 amplifier is remotely programmable using the Powersoft™ ArmoníaPlus software via Ethernet connection, allowing for precise control and customization of your audio system. Featuring 4 selectable presets that can be adjusted to your needs and recalled by a physical button on the rear panel, the GA43 ensures a perfect audio experience every time.

Modular Design for Space Efficiency
With its modular design, the GA43 amplifier allows for space-saving installations. Up to 3 GA43 units can be housed within just 2 rack units using the G-RACK accessory, providing an efficient solution for demanding environments.

Ideal for a Wide Range of Applications
The KGEAR GA43 amplifier is designed for high-performance applications in rental and permanent installations, such as touring and events, auditoriums, transportation facilities, houses of worship, stadiums, theme parks, and clubs.

*Dedicated preset available for 70V or 100V speaker lines.


GA line

High-Performance Class D Amplifiers for Pro Audio



  • Type:  

    4-Channel Class D

  • Output Power:  

    4x750 W @4Ω

  • Impedance:  

  • Connections:  

    2x Combo jack-XLR female line
    1x RJ45
    2x SpeakOn 4 pole

  • Built-in DSP:  


  • Remote Control:  

    Yes, through Armonia software

  • 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:  

    85-245 VAC

Handling and Finishes

  • Dimensions (W x H x D):  

    145x90x418 mm (5.7x3.54x16.5 in)

  • Weight:  

    3,6 kg (7.94 lb)

  • Material:  

    Stainless steel

  • Colors:  






GA43 Preset

KGEAR Amp-to-speaker matching table

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