VA-P4120( 4 x 120W)/ VA-P4240(4 x 240W)/VA-P4350(4 x 350W)/ VA-P4500(4 x 500W) Class-D Digital Amplifier


  • * Modular design, easy to configure as required.
  • * The use of efficient class-D digital power amplifier design scheme has lower power consumption.
  • * 2U design, 4 independent channels, each channel 120W/240W/350W/500W.
  • * Overload, short circuit protection, automatic temperature control.
  • * Automatically detect the working status of each channel and indicate by LED.
  • * Support power saving mode, enter standby mode when there is no signal.


AC power supply 
Voltage~220-240V  50/60Hz
Working current2.6A5.3A7.7A11A
DC power supply 
DC inputDC~24V; ±20%
Working current24A48A70A100A
Power supply4x120W4x240W4x350W4x500W
Power consumption580W1150W1680W2400W
Audio frequency data 
Input modeBalance 385mV
Frequency response40Hz-20KHz±3dB
outputConstant voltage 100V
THD≤1% (rated power THD), 1KHz
Working temperature5℃ ~ 40℃
Related humidity<95%
Cooling wayAir-cooled
Protection waysTime-delay, over-heated, short circuit, overload
Size484 x 478 x 88mm
Net Weight13.46Kg13.48Kg13.54Kg13.66Kg