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DS18 SXE-4000.4D Full-Range Class D 4-Channel Car Amplifier 275x4 RMS @4 OHM 4000 Watts(BLACK)

Your Price: $279.99
Retail Price:$399.99
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Part Number:SXE-4000.4D

DS18 SXE-4000.4D Full-Range Class D 4-Channel Car Amplifier 275x4 RMS @4 OHM 4000 Watts

DS18’s SXE series of amps was designed for users looking for an extreme increase to the quality of music reproduced by their vehicle. The SXE-4000.4D guarantees your sound system’s speakers perform at their peaks on every use.

The SXE series of amplifier gives users the ability to tailor the audio reproduced by their vehicle to their personal listening preferences through the use of it’s fully variable crossover, adjustable gain input sensitivity, and multi-channel amplifier design: everything you need to take control of your listening experience.

As a Class D amplifier, the SXE series uses power transformers significantly smaller than your average amplifier, making it the perfect size for any vehicle’s custom build: but, what it lacks in size it makes up for in power. The SXE-4000.4D has a power output of 750W x 2 CH bridged at 4-ohms, 430W x 4 CH at 2-ohms, 275W x 4 CH at 4-ohms: perfect power settings to supercharge any custom build.


  • Compact size for easy installation anywhere
  • Stable Two or Four Layer Traced PCB Design
  • Audio Precision Quality Control Verification
  • Full Adjustable HP/LP @ 12dB/oct Crossover
  • Various Forms of Electronic Protection

 Great For

  • Car Audio
  • Pro Audio
  • Stunt Walls
  • Motorcycle Audio
  • Powersports Audio
  • DIY Projects
Total Watts (Peak)4000W
RMS Power @ 4 ohms4 x 275W
RMS Power @ 2 ohms4 x 430W
RMS Power @ 1 ohm/
RMS Power @ 4 ohms Bridge2 x 750W
Frequency Response10Hz-20KHz
Signal to Noise Ratio90dB
Efficiency @ 4 ohms86%
Damping Factor140
Input Impedance20kO
Channel Separation45dB
Total Harmonic Distortion (THD)0.05%
Low Level Input Range200mV-5V
High Level Input/
Selectable X-OverHPF/FULL/LPF
X-Over Filter Range40Hz-2KHz
Bass Boost Range/
Bass Boost Frequency/
Infrasonic Filter/
Phase Selector/
Amplifier ClassDigital (D)
Amplifier TypeStereo Full Range
Number of Channels4
Minimum Impedance2 Ohms Stereo / 4 Ohms Bridge
Led IndicatorPower/Protect/Clip
Power Input Terminal Size4 Ga
Fuse SizeExternal fuse
Remote Level Control/
Cooling Fan/
Voltmeter /
Thermal ProtectionYes (80?)
Over-Load ProtectionYes
DC Output ProtectionYes
Short Circuit Output ProtectionYes
Voltage Input ProtectionYes (16.5v)
Clipping Protection Yes
Body Color / FinishRed / Black Brushed Aluminum
Overall Length10.6" / 269mm
Overall Wide5.5" / 140mm
Overall Height1.8" / 48mm
Heatsink Length 9.1" / 232mm
Gross Single Unit Weight2.05Kg

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