listed In - Public Address Systems
Description of DPA4120 Class-D Four Channel 120W Power Amplifier

The DPA range digital class-D poweramplifier is of switching power technology, which features of minimum power

consumption and much higher efficiencyup to 85%, moreover it helps to save installation rack space, generate less

heat so as to extend its performancelife span as a result.

The DPA4120N is of rated power outputat 4×120W, so it could be used as four zone multiple sources public address

system at minimum cost. The versatileloudspeaker outputs of both high impedance 100V & low impedance

4-16ohms enable it meet both PA fixedinstallation and Hi- stereo sound installation jobs.

There are four balanced inputs byphoenix connector for each channel with gain control. Four separate zonespeaker

outputs both by 100V & 4-16ohms.The built-in four channel separate high-pass filters could be enabled ordisabled

through the dip switch pre-setting.

Automatic standby enable after nodetection of signal input for one minute, immediately wake up at sight of any

input. Visual working statusindicators include protection, clip, input and output for easy supervision.With complete

short circuit, overload, high temp,clip and DC protection.


Specification of DPA4120 Class-D Four Channel 120W Power Amplifier


  • Switching power technology digital power amplifier
  • Class-D PA power amplifier of minimum power consumption
  • Less rack space and less heat generation
  • Four channel power amplifier into 19” rack mount unit
  • Rated power output at 4x120W
  • Four channel separate speaker outputs 4-16/100V
  • Balanced XLR input by phoenix connector for four channels
  • Each input with separate gain control.
  • Each four channel with high-cut filter.
  • Built-in auto standby feature to save power consumption
  • Separate four channel indicators for protection, clip, input and output
  • Complete short circuit, overload, high temp, clip and DC protection
  • Wide AC input switchable between 115V and 230V
  • With 24V DC input.


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