GA43 4-ch 750w Power Amplifiers with DSP


4x1500W Power Amplifier

Our most powerful compact 4-channel class D amplifier featuring Powersoft™ power module.

Delivering up to 1500W RMS per channel at 4 ohm, this amplifier is also able to drive 70V/100V distributed speaker lines without needing any additional transformer*.

Thanks to its modular design, up to 3 elements of GA46L (totally 12 channels) fit into 2 rack units with a dedicated accessory (G-RACK).

Designed for the most demanding applications for rental and permanent installations such as touring and events, auditoriums, transportation facilities, houses of worship, stadiums, theme parks and clubs.

*Hi-pass filter recommended, see Instruction Manual

Tech specs


Input Channels: 4 
Output Channels: 4 
Max Output Power per Channel: 1500W (RMS EIAJ Single Channel Driven @ 4ohm) 
Minimum Impedance: 4Ω
High Impedance Speaker Lines: 70V - 100V(-2dB) *
Operating Voltage: 85-264 VAC 
AC Current: 10A Nominal
Width: 145mm (5,71in) 
Height: 90mm (3,54in) 
Depth: 418mm (16,46in) 
Rack adapter: G-RACK

*Hi-pass filter recommended, see Instruction Manual


Analog balanced I: 4x XLR female line 
Analog power O: 2x Speakon (4 pole)



Rack mount panel for up to 3x GA46(L) / GA43(L) / GA41(L)


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