SKU: 51786811756

NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm

Sale price$215.97 Regular price$239.97
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Description

NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-OhmDS18 NXL M4 Full Range 4 Channel IP55 Marine Grade Amplifier 4 X 150 Watts @ 4 Ohm Designed for intense sessions that keep the party boat rocking; the NXL M4 is DS18s newest high quality, powerful amplifier for the marine or powersport enthusiast looking for big sound with a small footprint! As a Class D Digital amplifier, the NXL M4 uses direct insert speaker and power terminals significantly smaller than your average amplifier, making it the perfect

DS18 NXL-M4 Full Range 4-Channel IP55 Marine Grade Amplifier 4 X 150 Watts @ 4 Ohm

Designed for intense sessions that keep the party boat rocking; the NXL-M4 is DS18’s newest high-quality, powerful amplifier for the marine or powersport enthusiast looking for big sound with a small footprint!

As a Class D Digital amplifier, the NXL-M4 uses direct insert speaker and power terminals 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 NXL-M4 handles 150W x 4CH @ 4 Ohms; 230W x 4CH @ 2 Ohms; and 440W x 2CH @ 4 Ohms Bridge of RMS Power and 1800W Peak Power.

Get clean, well defined sound for with enough features (Fully Variable Bass Boost, Low Pass Filter, and High Pass Filter) to tune your music perfectly for optimal audio enjoyment! This full range amplifier handles all speakers insanely well and has the features to make sure they play the way you want them to!

This amplifier is tough enough to stand up to the worst the waves throw at you! All controls are guarded by high strength front covers that guarantee impenetrable defense against the elements; coated 4 layer PCB helps prevent corrosion caused by salt water; and Voltage, Thermal, and Short Circuit Protection for easy monitoring of your power levels.

Order the NXL-M4 for insane power out on the water!

Highlights

  • Hardware resistant to corrosion and UV Protection
  • Coated 4 Layers PCB to prevent corrosion
  • IP55 Water Resistance Grade
  • High Level Input For Easy Factory Integration
  • Front cover to keep the controls safe to the elements
  • LED Clip Indicator to easier adjustment
  • Stable and Reliable Class D Circuit Design
  • Sound Quality Verification Using AP Instruments
  • Direct Insert Power and Speaker Terminals
  • Short Circuit, Thermal, and Voltage Protection
  • 4 channel input / 2 channel output

Great For

  • Marine Audio
  • Jeep Audio
  • ATV Audio
  • Powersports Audio

Technical Details 
SPECIFICATIONS
POWER  
Total Watts (Peak) 1800W
RMS Power @ 4 ohm 4 x 150W
RMS Power @ 2 ohm 4 x 230W
RMS Power @ 4 ohm Bridge 2 x 440W
AUDIO  
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
X-Over Filter Range 40Hz - 2KHz
Bass Boost Range 0-12dB
Bass Boost Frequency 45Hz ±5Hz
Phase Selector No
FEATURES  
Amplifier Class Digital (D)
Amplifier Type Stereo Full Range
Number of Channels 4 Channels
Minimum Impedance 2 ohm (Stereo) / 4 ohm (Bridge)
Led Indicator Clipping / Protect / Power
Power Input Terminal Size 4 Ga
Fuse Size 70A (2x35A)
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, IP55 (Water Splashing)
PCB Layout Design 4 Layers / Coated
RCA Output Yes, 2 CH (Left / Right)
UV Compliant Yes, UV Protected and PCB Coated
Input Sum Selector Yes, 2Ch or 4Ch Input Mode
Tiffany Style RCA Yes
High Level Input Yes, 4ch Speaker level
Stainless Steel Hardware Yes, (Screws)
Potenciometers  High Quality Metal Knob 
Remote Level Control No
Measurement  
Overall Length 9.6" / 245mm
Overall Wide 4.5" / 116mm
Overall Height 1.7" / 43mm
Heatsink Length  8.6" / 220mm



Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51786811756

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4.8 ★★★★★
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cruciantime
Waukegan, US
★★★★★ 5
I like these. Good solid construction.
Size: 10-pc, Color: Black/Stainless Steel, Size: 10-pc, Color: Black/Stainless Steel
It was past time for new knives. My old set Revereware was way over a dozen years old. One of the handles had broken years ago. One of the best parts of these is the full length of the blade running from tip to end of the handles ( full tang ). The blades of my old ones of went about a half inch into the handles. The blades are about the same thickness. Overall these Henckel's knives are much nicer. I especially like getting the carving knife. I have used that a lot over the years. Both of the scissors are China made. All the Henckels knives say made in India. The Revere knives all say China. I washed them all up. They all shine really nice and the handles are comfortable. I'm happy with them.
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Reviewed in the United States on June 1, 2025
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BLT
Boise, US
★★★★★ 3
Return policy stinks/decent starter set
Size: 12-pc, Color: Cherry
This is a decent set of what I would consider to be starter knives. We purchased a set for our vacation rental home and a second for our son when he was moving into his own place. They are basic knives that you could get away with if you aren’t doing a ton of cooking but you would probably want to fill in with a few other utility knives, as I did even for the rental, if you cook daily. They seemed sharp on the first few uses but they don’t hold the edge so maybe the steel isn’t the best quality. The real reason for three stars is due to the return policy from this seller. We accidentally ordered two sets for our son and the return shipping cost is a good percentage of the purchase price; it’s not like most Amazon sellers who have free returns. We ended up keeping them rather than lose money because we figure we will need to replace them soon.
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Reviewed in the United States on May 28, 2026
S
Verified Purchase
Suzanne
Lowell, US
★★★★★ 5
Good value for money and a reliable set
Size: 12-pc, Color: Cherry
It is a great knife set for a first timer to own. I cook quite a bit and it is helpful to have a set of knives that can get the job done. I like the steak knives as well. They will come in handy when we have guests for dinner.
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Reviewed in the United States on August 12, 2025
A
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Ashley
Lowell, US
★★★★★ 5
Fantastic build quality, fantastic price
Color: Cream White
I needed something fast for a chicken and dumplings recipe. Everything in store was outrageously expensive for the size I needed. Got on amazon and found this guy. Nice and large and build quality is excellent. Zero imperfections in the enamel. Heats evenly and is a dream to cook in, nothing sticks easy cleaning. For the price (about 50% less then anything in store) was an absolute deal. Highly recommended. Just a heads up tho...this thing is heavy. I dont think its heavier then a similar sized enamel cast iron dutch oven tho.
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Reviewed in the United States on April 11, 2026
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Diane Dobry
New York, US
★★★★★ 5
My big red bread and soup pot is just what I needed
Color: Red
Sturdy, heavy duty, nice sized Dutch oven. Good for baking bread , making soup, and a large casserole. Good quality, nice color
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Reviewed in the United States on May 24, 2026

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