BuildsMembersVideosForums
Teams
Browse teams
Events
Car shows & meets
Competitions
SPL & SQ leagues
Contest
Win prizes!
Equipment
Browse audio gear
Installation Shops
Find professional installers
Equipment Brands
Explore top brands
Retailers
Find dealers & stores
Creators
YouTubers & reviewers
Calculators & Tools
Box, impedance, wire & more
Login

Get updates on builds, events & deals

Get updates on builds, events & deals

COMMUNITY
  • Browse Builds
  • Members
  • Groups
  • Teams
  • Competitions
  • Events
  • Promoters
  • Video Galleries
  • Brands
  • Retailers
  • Equipment Database
  • Submit Your Build
TOOLS
  • Box Calculator
  • Impedance Calculator
  • Wire Gauge Calculator
  • Amplifier Matching
  • Cone Area Calculator
  • dB Power Calculator
  • Ohm's Law Calculator
  • Power Calculator
  • Lithium Battery Calculator
  • Strapped vs Gain Matched
SUPPORT
  • Installation Guides
  • Warranty Info
  • Contact Us
  • Dealer Locator
COMPANY
  • Sparked Innovations Store
  • About Us
  • Eddie's Blog
  • Privacy Policy
  • Terms of Service
  • Data Policy & Ethics
  • Data Deletion
  • Changelog
FOR BUSINESS
  • Partner With Us
  • Become a Retailer
  • List Your Shop

Product data aggregated from publicly available retailer listings

Sonic ElectronixWoofers EtcSky High Car AudioDown4Sound ShopBig Jeff AudioCar Audio BargainShowtime Electronics+ more
Loading...

© 2026 Sparked Innovations. All rights reserved.

POWERED BY SPARKED INNOVATIONS
v1.00|Beta|Live
Home/Equipment/Amplifiers/DS18/NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm
NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm
NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm
NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm
NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm
NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm
NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm
DS18/Amplifier

DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm

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 Download NXL-M4 Product
Used in 0 builds
View All DS18 Amplifiers
Where to Buy

No retailer listings found for this product yet.

Visit Official WebsiteFind More Retailers

Need this installed?

Browse 41+ professional car audio installers in our network

Find an Installer

Frequently Asked Questions

What is the DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm?

The DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm is a car audio equipment made by DS18. View full specifications and where to buy on this page.

How much does the DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm cost?

The DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm typically sells for around $480 depending on the retailer and variant. Check the "Where to Buy" section for current pricing from authorized dealers.

Where can I buy the DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm?

You can purchase the DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm from authorized dealers listed in the "Where to Buy" section on this page. We recommend buying from authorized retailers to ensure warranty coverage and genuine products.

Customer Reviews

-

0 reviews

5
0
4
0
3
0
2
0
1
0

Sign in to write a review

Loading reviews...

More from DS18

EXL-X 15" Subwoofer 1250 Watts Rms DVC 4-Ohms

EXL-X 15" Subwoofer 1250 Watts Rms DVC 4-Ohms

Subwoofer
DS18 6.5" Speaker Grill with Built-in 1.75" Voice Coil Neodymium Bullet Tweeter 250 Watts

6.5" Speaker Grill with Built-in 1.75" Voice Coil Neodymium Bullet Tweeter 250 Watts

Speaker
DS18 4-Channel In and 8-Channel Out Digital Sound Processor with Bluetooth

4-Channel In and 8-Channel Out Digital Sound Processor with Bluetooth

Amplifier
SRW Shallow-Mount 12" Subwoofer 220 Watts Rms DVC 4-Ohm

SRW Shallow-Mount 12" Subwoofer 220 Watts Rms DVC 4-Ohm

Subwoofer
DS18 DFPU Under Seat 10” Shallow Subwoofer Enclosure | Sealed, Loaded, 600W RMS @ 2 Ohm

DFPU Under Seat 10” Shallow Subwoofer Enclosure | Sealed, Loaded, 600W RMS @ 2 Ohm

Subwoofer
ZR 6.5" Subwoofer 300 Watts Rms DVC  4-Ohm

ZR 6.5" Subwoofer 300 Watts Rms DVC 4-Ohm

Subwoofer
View All DS18 Products

No Builds Yet

Be the first to showcase a build with this Amplifier!

Compare DS18 NXL 4-Channel Full-Range Class D IP55 Marine Amplifier | 4 x 150W RMS @ 4-Ohm

vs Audiobahn A5000SPL SPL Competition Ampli...vs Audiobahn A2X200HQ 2-Channel Amplifiervs Sound Digital EvoX 400.4 4-Channel Amplifiervs Alpine PAA-150vs Deaf Bonce DB-180.4vs Down4Sound MM504 (MINI MAXX) - ORANGE | 3...

Similar Amplifiers

A5000SPL SPL Competition Amplifier
Audiobahn

A5000SPL SPL Competition Amplifier

1 build

A2X200HQ 2-Channel Amplifier
Audiobahn

A2X200HQ 2-Channel Amplifier

1 build

EvoX 400.4 4-Channel Amplifier
Sound Digital

EvoX 400.4 4-Channel Amplifier

1 build

Alpine
Alpine

PAA-150

Deaf Bonce
Deaf Bonce

DB-180.4

MM504 (MINI MAXX) - ORANGE | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER
Down4Sound

MM504 (MINI MAXX) - ORANGE | 300W RMS MINI 4 CH CAR AUDIO AMPLIFIER

Recommended Subwoofers

Matched by RMS power
PS-8
Rockford Fosgate
Perfect Match
150W RMS
View →
VO-W8b
DD Audio
Perfect Match
150W RMS
View →
SRW Shallow-Mount 8" Subwoofer 150 Watts Rms SVC 4-Ohm
DS18
Perfect Match
150W RMS
View →
Punch PS-8 Car Subwoofer
Rockford Fosgate
Perfect Match
150W RMS
View →
SRW Shallow-Mount 8" Subwoofer 150 Watts Rms DVC 4-Ohm
DS18
Perfect Match
150W RMS
View →
REFERENCE Series Pair of 8" 4-Ohm SVC 180W RMS Loudspeaker/Woofer REF8W
B2 Audio
Great Match
150W RMS
View →

Power matching based on measurement data. Results show subwoofers within 75-150% of this product's RMS rating.