DS18 NXL-N4BT NXL 4-Channel Full-Range Class D Nano Amplifier – IP67 Waterproof Marine & Powersports with Built-In Bluetooth 5.1 Receiver | 1800W Peak

Only 1 left
SKU: DS-NXL-N4BT
Massive Power & Clarity
Pro-grade output
Superior Performance
Built to dominate
Advanced Technology
Precision-built
Premium Build Quality
Designed to last
Regular price $499.95 USD
Brand New with Manufacturer Warranty
Authorized Dealer
Free Shipping & Easy Returns
Secure Checkout
Massive Power & Clarity
Pro-grade output
Superior Performance
Built to dominate
Advanced Technology
Precision-built
Premium Build Quality
Designed to last

The DS18 NXL-N4BT amplifier is an ultra-compact IPX67 waterproof 4-channel full-range amplifier with built-in Bluetooth 5.1, designed for marine and powersports systems needing clean power and wireless control.

It delivers up to 1800W peak power with 4 x 100W RMS @ 4Ω, 4 x 150W RMS @ 2Ω, and 2 x 300W RMS bridged @ 4Ω, making it flexible for mids, highs, or compact custom setups. Bluetooth 5.1 provides stable, high-quality wireless streaming with low signal loss.

Built-in crossover control (HPF/LPF/full range, 40–500Hz) allows precise tuning for different speaker setups. Its 7.87” compact design fits tight spaces, while full protection circuitry ensures reliable performance in marine, off-road, and harsh environments.

Features:

  • Built-In Bluetooth Receiver – Stream your favorite music wirelessly straight from your smartphone
  • Ultra-Compact Size for Easy Installation
  • Fully Aluminum Chassis Design
  • IP67 Waterproof Rating
  • Latest Full-Range Digital Design Based on IR Platform

Specifications:

General Specs

SKU
NXL-N4BT
Total Watts (Peak)
1800W
RMS Power @ 4 ohm
4 x 100W
RMS Power @ 2 ohm
4 x 150W
RMS Power @ 4 ohm Bridge
2 x 300W


Audio

Frequency Response
20Hz-20KHz
Signal to Noise Ratio 1W @ 4Ω
90dB
Total Harmonic Distortion (THD)
0.1%
Low Level Input Range
200mV-5V
Selectable X-Over
HPF/LPF/FULL
X-Over Filter Range
40-500Hz
Bass Boost Range
No
Infrasonic Filter
No


Bt Specs

Bluetooth Name
DS18 NXL-N4BT
Version
5.1
Services
Audio Stream
Audio Protocols
A2DP1.3.1
Audio Codec Supported
SBC / AAC
Sample Rate
48k/bit
Bitrate
SBC 328kbps / AAC 576kbps
Bitrate Depth
24bits
Range
20Hz - 20kHz


Features

Amplifier Class
Digital
Amplifier Type
Stereo Full Range
Number of Channels
1
Minimum Impedance
2 Ohms (Stereo / 4 Ohms Bridge)
LED Indicator
Power / Protection
Power Input Size
Wired 8Ga OFC
Fuse Size
25A
Thermal Protection
Yes
Overload Protection
Yes
Waterproof Rating
IP67


Measurements

Overall Length
7.87" / 200mm
Overall Wide
3.67" / 93.4mm
Overall Height
1.56" / 39.8mm
Heatsink Length
7.16" / 182mm
Gross Single Unit Weight
2.8Lb / 1.3Kg

UPC: 810199440392

Free shipping is available within the 48 U.S. states. Orders placed before 11 PM ET are typically processed the next business day and arrive within 5–8 business days. Tracking information will be provided as soon as your order ships.

Need to make a change to your order? Contact us within 24 hours of purchase, and we'll be happy to help. Please note that orders already processed for shipment cannot be canceled.

1-Year Limited Warranty: As an authorized dealer, we provide a 1-year limited warranty covering manufacturer defects in materials and workmanship under normal use. The warranty does not cover physical damage, misuse, improper installation, or normal wear and tear.

Customer Support : 9:00 am to 5:00 pm 

Address: 13446 Alondra Boulevard, Cerritos ,California 90703, United States

Email: info@eliteautogear.com

Phone: (877)-215-8187

From Our Community

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Built to Be Heard Everywhere You Ride

Power That Dominates

Pro-grade audio engineering delivers crystal-clear highs and powerful bass that cuts through any environment. Built for the toughest rides and loudest adventures.

Built for Tough Rides

Engineered to withstand extreme conditions with rugged construction and weatherproof design.

Built for Power & Durability

Premium materials and advanced engineering ensure long-lasting performance in any environment.

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DS18 NXL-N4BT NXL 4-Channel Full-Range Class D Nano Amplifier – IP67 Waterproof Marine & Powersports with Built-In Bluetooth 5.1 Receiver | 1800W Peak
VERIFIED REVIEWS

Loved by owners

5.0
★★★★★
Verified Reviews
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%
Common themes
Punchy bass · 12 Clean low end · 9 Easy install · 7 Great value · 6 Fast shipping · 11 Solid build · 8
M**I
★★★★★
Excellent Product Quality
"Great packaging and super loud speakers would recommend buying and got delivered fast"
B.
★★★★★
Excellent Product Quality
"Installed Apocalypse 6.5 mids, DS18 tweeters, and Orion 6x9s in my 2014 Dodge Challenger RT — amazing sound! Quality and materials are top-notch. Definitely buying from them again."
werita&chukito3
★★★★★
Excellent Product Quality
"10 de 10 con el envío super rápido espero que si tengan buen sonido estan muy bonitas"
★★★★★
Excellent Product Quality
"Definitely a must can't wait to install all my speakers I would buy from them again I got the apocalypse 6.5 mid range ds18 tweeters 3.5 full range and Orion 6x9 mid range"
★★★★★
Excellent Product Quality
"Me gustó mucho buena calidad Y suena recio como yo pensaba si se las recomiendo buen sonido"
B.
★★★★★
Excellent Product Quality
"The speakers were loud and good"
obs_brycen
★★★★★
Excellent Product Quality
"Great product but it only comes with one tweeter so make sure you buy 2"
s**a
★★★★★
Excellent Product Quality
"Súper buena calidad, buen sonido de voz, y llega en buenas condiciones"
bmtmanuel
★★★★★
Excellent Product Quality
"Received them and they work as i expected"
**l
★★★★★
Excellent Product Quality
"They got here before estimated arrival and are in amazing condition"
M**S
★★★★★
Excellent Product Quality
"Muy buen producto de escucha muy bien"
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