Surge Audio

Surge Audio - PS-4000.1 | 4,000 WATT MONOBLOCK CAR AMPLIFIER

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  •  Surge Audio - PS-4000.1 | 4,000 WATT MONOBLOCK CAR AMPLIFIER
  •  Surge Audio - PS-4000.1 | 4,000 WATT MONOBLOCK CAR AMPLIFIER
  •  Surge Audio - PS-4000.1 | 4,000 WATT MONOBLOCK CAR AMPLIFIER
  •  Surge Audio - PS-4000.1 | 4,000 WATT MONOBLOCK CAR AMPLIFIER
MSRP: $999.99
— You save $300.04


Introducing Power Surge - Surge Audio's flagship series of high power amplifiers. These models were designed from the ground up, to be anything other than average. PS Series amplifiers feature a military-grade PCB with the most copper tracing possible, added standoffs for extreme vibration resistance, and overbuilt transformers to withstand the heaviest of abuse.

Cooling is key. The PS Series heatsink was custom tooled to optimize cooling capacity. We made use of thermal modeling to determine the best thermal conductivity of our heatsink options. Beyond that, we have spaced the mounting feet 1/4" below the heatsink to allow for additional airflow below the backplate of the amplifier.

All PS Series amplifiers include silver plated Tiffany style RCA inputs, four-stage intelligent protection circuitry, and a remote bass knob with clipping, voltage, and temperature indication. 





  • High Efficiency Class D Monoblock Architecture  
  • 0.5 Ohm Stable & Covered Under Warranty
  • Subsonic Filter - 24dB Slope
  • Low Pass Filter - 24dB Slope
  • Bass Boost - 12dB Slope
  • Clipping Indicator
  • Dual 1/0 Power & Ground Inputs
  • Tiffany-Style RCA Inputs
  • 4-Stage Protection Circuit
  • Wired Remote with Clipping, Voltage, and Temperature Indication 



  • RMS Power @ 2 Ohms Strapped: 8,000 Watts (14.4V)
  • RMS Power @ 1 Ohm : 4,000 Watts (14.4V)
  • RMS Power @ 2 Ohms : 2,500 Watts (14.4V)
  • Frequency Response: 10Hz - 250Hz
  • Input Sensitivity: 0.2V - 6V
  • Signal to noise Ratio: 90dB
  • Minimum Impedance: 0.5 Ohm
  • Low Pass Filter: 35Hz - 250Hz
  • Subsonic Filter: 10Hz - 50Hz
  • T.H.D. Continuous @ 4ohm : 0.1%
  • Efficiency @ 4 Ohms: 90%
  • Operating Voltage : 9V - 16V 
  • Recommended Fuse Rating: 500A
  • Dimensions: TBA
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4 Reviews

  • 5
    Good amp

    Posted by Tristan billings on Sep 03, 2023

    I absolutely love dis amp efficient,good sound quality and underrated power.she gets the job done with some authority and does not get hot

  • 5

    Posted by Kevin Williams on May 03, 2023

    Bought this amp and installed it about a month ago and I have to say it’s awesome. Doesn’t really get hot that fast when you’re going hard on that bass. Thanks to the people at D4S for the great customer service.

  • 5
    Beautiful Korean goodness

    Posted by Jordan. S on Mar 24, 2023

    This thing is beautiful, it pushes almost 5k with ease at 1ohm, And almost 7k at half ohm it's super efficient. The Plexi bottom makes it that much more pretty. I'm 100% satisfied with this amp

  • 5
    Surge audio amplifier ps.4000.1

    Posted by Joseph on Feb 17, 2023

    Great sounding amplifier, runs cool and efficient. You will very pleased with it.

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