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4 OHM -70/100 VOLT

Code: 01450606

$2684 inc GST
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Australian Monitor- HS4250P 4 x 250W Power Amplifier USB/RS232 Control with mini DSP

The HSP series is Australian Monitor's next generation ofcontrollable Class D power amplifiers, delivering high quality audio reinforcement with the power you need in the following options -Single channel 120W or 250W, Dual channel120W or 250W and Quad channel 120W or 250W.

Our new power amplifiers are fully featured, including anefficient Class D amplifier, USB and RS232 control and a mini DSP featuring volume control, mute, compressor/limiter,filter and input channel selection.

The HSP series power amplifiers give the AV contractor a reliable amplifier for applications that are price sensitiveyet still require high quality commercial sound reinforcement and control.


Key Features

  • 4 x 250W power amplifier
  • 4 ohm, 70V and 100V output options
  • Class D topology
  • Programmable via PC UI application
  • USB and RS232 control
  • Mini DSP - Volumes Controls, Input / output routing, High and low shelf filtering, Compressor / limiter, Filtering, Pink noise / sine wave generator, Mutes, Inversion
  • Mute control via contact
  • Standby control via contact
  • Fault status via contact



The HSP amplifiers use an efficient Class-D amplifier topology allowing a greater power density with a much lower weight.

All amplifier channels offer 100V, 70V and 4? output options so you can choose the output configuration to match your application.



Take control of your amplifier using the HSP Control Software.

The control software allows you to modify signal routing, DSP settings, channel naming, retrieve status information and more.
Download it now from the download section at



The HSP amplifiers include a mini DSP engine with the following features,

  • Input/Output Router
  • High, Low Pass Filters
  • Compressor / limiter
  • Mute
  • Inversion



Take further control of the HSP amplifiers with 3rd partysystem support over USB or RS232.

Enter "Developer Mode" in the PC application to easily see the commands being sent and received from the amplifier.

The HSP control protocol can be found in the manual.




    Output Power per Channel 250W Frequency Response 100Hz - 16kHz
    Output Channels 4 THD+N < 0.25% (-3dB)
    Output Mode 4 Ohm-70V-100V Signal to Noise Ratio > 91dB
    Input Voltage 100-240Vac 50-60Hz Input Sensitivity 1Vrms
    Mounting 2RU Cooling Fan-assisted
    Warranty 5 years
    Product Dimensions
    (W x D x H)
    483mm x 389mm x 89mm Shipping Dimensions
    (W x D x H)
    546mm x 491mm x 197mm
    Net Weight 16.0 Kg Shipping Weight 18.6 Kg
    GTIN EAN 9323383019959




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