DS18 NXL-M5 NXL 5-Channel Full-Range Class D IPX5 Marine and Powersports Amplifier 4 x 180 @ 4-Ohm and 1 x 600 @ 2-Ohm Watts Rms

  • $599.95
    Unit price per 

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Introducing DS18’s NXL-M5, a full-range marine amplifier that combines cutting edge technology, unmatched durability, and mind-blowing sound quality.

Utilizing an impressive MAX power of 3600W, the NXL-M5 delivers unrivaled performance that will make your system soar. With its RMS power output of 4 x 150W and a whopping 600W for SUB’s, the NXL-M5 guarantees consistent audio performance that is guaranteed to satisfy even the most discerning audiophile. The DS18 NXL-M5 covers the full range of frequencies ensuring that every beat, note, and whisper is reproduced with unrivaled precision.

Crafted with a focus on longevity, the NXL-M5 is built to withstand the harshest marine environments. Made from hardware resistant to corrosion and UV rays, the NXL-M5 is guaranteed to stand the test of time, even under the most challenging circumstances. The coated 4-layer PCB provides an additional layer of protection against corrosion, guaranteeing the NXL-M5's reliability for years to come.

Your peace of mind is our top priority. The NXL-M5 features a stable and reliable Class D circuit design, accompanied by built-in protections against short circuits, thermal issues, and voltage fluctuations. This ensures that your amplifier remains safe and continues displaying extraordinary performance, no matter the circumstances. Its front cover shields the controls from the elements, ensuring that you can fine-tune your audio settings without worry. While the LED clip indicator provides visual feedback, enabling you to make precise adjustments effortlessly.

Take full command of your audio experience with the waterproof remote level bass knob specially designed for easy installation on your boat's panel or wet areas. Seamlessly adjust the bass output without compromising your enjoyment or exposing the amplifier to potential damage. DS18 understands the importance of convenience and versatility in your marine adventures.

At DS18, we pride ourselves on our commitment to excellence. The NXL-M5 undergoes rigorous Audio Precision Quality Control Verification and sound quality verification using AP instruments. This meticulous testing guarantees that every unit meets our uncompromising standards and provides you with an unparalleled listening experience.


  • Hardware resistant to corrosion and UV protection
  • Coated 4 Layers PCB to prevent corrosion
  • Class D Circuit Design
  • IPX5 Water resistant grade
  • Front cover to keep the controls safe to the elements
  • LED Clip Indicator to easier adjustment
  • High Quality Potentiometers with copper shaft
  • Surface Mount Component Technology
  • Audio Precision Quality Control Verification
  • Direct Insert Power and Speaker Terminals
  • Short Circuit, Thermal, and Voltage Protection
  • Waterproof Remote level bass knob specially designed for easy installation on the panel's boat or wet areas.
  • DS18 Quality You Can Trust
  • Effortless Installation DS18 is Known For
  • Unleash Unprecedented Power

Great For

  • Marine Audio
  • Powersports Audio
  • Boat Audio
  • Golf Cart Audio
  • Motorcycle Audio
Total Watts (Peak) 3600W
RMS Power @ 4 ohm 4 x 150W / SUB: 300W
RMS Power @ 2 ohm 4 x 230W / SUB: 600W
RMS Power @ 4 ohm Bridge 2 x 440W
Frequency Response 20Hz - 20KHz
Signal to Noise Ratio >90dB
Efficiency @ 4ohm >97%
Channel Separation >55dB
Total Harmonic Distortion (THD) <0.15%
Low Level Input Range 0.2V-6V
High Level Input Yes: ≥5V
Selectable X-Over HPF/LPF/FULL / SW: Fixed LPF
X-Over Filter Range 40Hz - 2KHz / SW: 32Hz - 320Hz
Bass Boost Range 0-12dB (SW)
Bass Boost Frequency 45Hz ±5Hz
Phase Selector Yes 0~180° (SW)
Amplifier Class Digital (D)
Amplifier Type Stereo Full Range
Number of Channels 5 Channels
Minimum Impedance 2ohm St / 4ohm Bridge / 2ohm SW
Led Indicator Clipping / Protect / Power
Power Input Terminal Size 4 Ga
Fuse Size 120A (3x40A)
Thermal Protection Yes
Over-Load Protection Yes
DC Output Protection Yes
Short Circuit Output Protection Yes
Voltage Input Protection Yes
Clipping Protection  Yes
Body Color / Finish Gray+White / Aluminum+ABS
Extra Features  
Water Resistant Rated Yes, IPX5 (Water Splashing)
PCB Layout Design 4 Layers / Coated
RCA Output No
UV Compliant Yes, UV Protected and PCB Coated
Input Sum Selector Yes, 2/4/5 Ch Input Mode
Tiffany Style RCA Yes
High Level Input Yes, 4ch Speaker level
Stainless Steel Hardware Yes, (Screws)
Potentiometers  High Quality Metal Knob 
Remote Level Control Yes, Marine Grade (Waterproof)
Overall Length 14.3" / 365mm
Overall Wide 4.5" / 116mm
Overall Height 1.7" / 43mm
Heatsink Length  13.3" / 340mm

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