NXL 4-Channel Full-Range Class D IP55 Marine Amplifier 4 x 150 Watts Rms @ 4-Ohm

Name: NXL 4-Channel Full-Range Class D IP55 Marine Amplifier 4 x 150 Watts Rms @ 4-Ohm
Brand: NXL-M4
SKU: NXL-M4
Price: 399.95 USD
Availability: InStock
Rating: 5.0 (1 reviews)

SKU: NXL-M4

NXL 4-Channel Full-Range Class D IP55 Marine Amplifier 4 x 150 Watts Rms @ 4-Ohm

SKU: NXL-M4

$399.95

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Ships Free Next Business Day From Miami, FL, USA

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Key Features
- Marine Full Range
- 4 Channel
- 4 x 150 Watts @ 4 Ohm
- Built in Crossover
- Class D
- Water Resistant IP55
Technical Data - Manual

DOWNLOAD THE USER MANUAL

GENERAL SPECIFICATIONS

SKU
NXL-M4
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 1W @ 4Ω
>90dB
Efficiency @ 4 ohm
>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 1

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)

FEATURES 2

Thermal Protection
Yes
Over-Load Protection
Yes
Short Circuit Output Protection
Yes
Voltage Input Protection
Yes
Body Color | Finish
Gray+White / Aluminum+ABS
DC Output Protection
Yes
Clipping Protection
Yes

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
Gross Single Unit Weight
1.45kg
Product Weight
3.6 lbs
Product Dimensions
11.5 x 6.25 x 2.25
M/C Weight
22.5 lbs
M/C Dimensions
20.25 x 12 x 7
M/C QTY
6
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Product Overview

Product Overview

DS18 NXL-M4

Full Range 4-Channel IPX5 Marine Grade Amplifier 4 X 150 Watts @ 4 Ohm

Designed to keep the boat party rocking, DS18’s NXL-M4 delivers big sound in a compact water resistant package.
Built to withstand the harshest marine conditions, this amplifier is constructed with high-strength front covers that provide impenetrable defense against the elements. Its coated 4-layer PCB helps prevent corrosion caused by saltwater, ensuring long-lasting durability. Additionally, it offers voltage, thermal, and short circuit protection for easy monitoring of power levels.
Featuring an IP55 water resistance grade and hardware resistant to corrosion and UV damage, this marine amplifier is designed to thrive in challenging environments. The LED clip indicator makes it easier to adjust settings, while the stable and reliable Class D circuit design ensures exceptional sound quality. With direct insert power and speaker terminals, installation is a breeze.
This makes it an ideal choice for custom vehicle builds where space is limited. But don't be fooled by its small size - this amplifier packs a powerful punch.
The NXL-M4 can handle 150W x 4CH @ 4 Ohms, 230W x 4CH @ 2 Ohms, and 440W x 2CH @ 4 Ohms Bridge, with a peak power of 1800W. You can expect clean and well-defined sound, thanks to its fully variable bass boost, low pass filter, and high pass filter. These features allow you to fine-tune your music for optimal audio enjoyment, ensuring that your speakers perform exactly the way you want them to.
Enhance your sound experience and order the NXL-M2 marine amplifier today!

FAST FREE SHIPPING

30-DAY RETURNS

2 YEAR WARRANTY

SECURE PAYMENT

FAST FREE SHIPPING

30-DAY RETURNS

2 YEAR WARRANTY

SECURE PAYMENT

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NXL 2-Channel Full-Range Class D IP55 Marine Amplifier 2 x 250 Watts Rms @ 4-Ohm

MOVING SALE

SKU: NXL-M2 NXL 2-Channel Full-Range Class D IP55 Marine Amplifier 2 x 250 Watts Rms @ 4-Ohm

15% OFF $339.96 $399.95

Marine Full Range
2 Channel
2 x 250 Watts @ 4 Ohm
Built in Crossover
Class D
Water Resistant IP55

Marine Full Range
2 Channel
2 x 250 Watts @ 4 Ohm
Built in Crossover
Class D
Water Resistant IP55

Sold out

NXL 5-Channel Full-Range Class D IP55 Marine Amplifier 4 x 150 @ 4-Ohm and 1 x 600 watts RMS @ 2 Ohm

MOVING SALE

SKU: NXL-M5 NXL 5-Channel Full-Range Class D IP55 Marine Amplifier 4 x 150 @ 4-Ohm and 1 x 600 watts RMS @ 2 Ohm

15% OFF $509.96 $599.95

Marine Full Range
5 Channel
4 x 150 Watts @ 4 Ohm + 1 x 600 Watts @ 2 Ohm
Built In Crossover
Class D
Water Resistant IP55

Marine Full Range
5 Channel
4 x 150 Watts @ 4 Ohm + 1 x 600 Watts @ 2 Ohm
Built In Crossover
Class D
Water Resistant IP55

Let customers speak for us

from 3464 reviews

INFINITE 35 AH

I love the Infinite INFINITE 35 AH battery installed it on my 2013 Can Am Maverick 1000r and it has enough cracking power to start it every time see how it does when i add accessories

John

03/13/2025

INF-35AH INFINITE 35 AH 1250 Watts AGM Power Cell 12 Volt Battery

Tweeter

I love how there loud and everything but I had one go out on me

Shalin Dennis

03/13/2025

TX1 2" PEI Dome Ferrite Tweeter 0.5" VC 200 Watts

CLEAR and LOUD

5 STAR!!! Installed these speakers in my 2019 Road Glide and I could not be happier with the clear sound!

Nathan Hartzell

03/13/2025

PRO-ZXI 6x9" Mid-Range Bullet Loudspeaker Neodymium/Ferrite Magnets 300 Watts Rms 4-Ohm

Loud asf crystal clear

Art

03/12/2025

PRO-ZT 6.5" Coaxial Mid-Range Loudspeaker with Water Resistant Cone Built-in Bullet Tweeter and Grill 225 Watts Rms 4-Ohm

Exceptional Product!

Really nice kit, AMP is also very solid and compact, fits nicely under the seat on the low profile AMP rack I bought !
Would recommend taking to a shop for installation. I’ve got a 2025 Jeep Gladiator and my only complaint is how difficult it is to disassemble the dash.

Also note this is not exactly plug and play if you intend on Amplifying tweeters and Dash speakers. These are extremely Loud and clear on Vocals.

If you plan on doing The Sound bar too, you have two RCA’s labeled FR & FL. You need a RCA Y splitter, DS18 Makes them. You actually need 2 red and 2 black splitters. Would highly recommend the speakers if you’re looking to Wind Proof the audio.

Brantly Tuten

03/11/2025

Jeep Plug-and-Play Package for JL/JLU/JT

Great subs

Never had subs this small but was suggested to try it and happy I did! I had 2 12s in my gladiator and wasn’t to happy with it and tried 4 of these and the sound is night and day difference! I have them in a ds18 ported box on a FR 3.5k

Dominick

03/10/2025