GA43 4-ch 750w Power Amplifiers with DSP


18" Subwoofer + 24x2" Modular Column System (Active)

Heavy duty 18” powered subwoofer combined with 3 modular 8x2” transducer array elements featuring PAT® K-array™ technology. It can drive a GP18 passive system in a stereo configuration. It features Powersoft™ DSP and power module with ethernet remote control and Armonia™ control software. 

Designed for high performance outdoor/indoor applications both for rental and permanent installations for touring, live bands, auditorium, and clubs. 

High performance to size/weight ratio featuring easy and fast setup possibility.

User Tip: optimize the cost and combine the system with the passive model whether it is for stereo configurations or if you prefer to extend the cluster

Tech specs for GP18A


Power Handling: 750W subwoofer + 700W satellite 
Peak Power: 1500W subwoofer + 1400W satellite 
Impedance: 8Ω subwoofer + 16Ω each segment 
Frequency Range: 45Hz – 20KHz (-6dB average) 
Maximum SPL(1): 125dB peak *measured at 8m and then scaled at 1m (peak) 
Continuos SPL: 113 dB 
Coverage: V.20° - H.140°


Subwoofer: 18” ferrite magnet 
Mid High Frequency: 3 modules with 8x2” ferrite magnet 


Analog balanced I: 2 x Combo jack-XLR female line 
Analog power O: 1 x Speakon to drive a GP18 Passive System in a stereo configuration 


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



Type: 4-channel Class-D audio amplifier 
Power: 4x 1500W @4ohm 
AC input: 100-240V AC @50-60Hz 
Max power consumption: 500W Rated Load (1/8 Max 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. 



Width: 545mm (21,46in) 
Height: 610mm (24,02in) 
Depth: 600mm (23,6in) 
Weight: 35,4kg (76,37lbs) 
Material: wood 
Rating: IP41


Width: 85mm (3,34in) 
Height: 1610mm (63,38in) 
Depth: 105mm (4,13in) 
Weight: 6kg (13,22lbs) 
Material: ABS 
Rating: IP54


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