Skip to content

Get 20% OFF Now - DS18's Cyber Monday Sale Ends At Midnight

Shop now

Offer ends in

Free U.S. Shipping from Miami, FL, USA

GET REWARDS WITH DS18

SIGN UP

Cart

Your cart is empty

NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm
NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm
NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm
NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm
NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm
NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm

NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-Ohm

SKU: NXL-X850.4D

Sale price$549.95
/EACH
Ships Free Next Business Day From Miami, FL, USA
With some limitations - subject to verification and order volume
  • Marine Full Range
  • 4 Channel
  • 4 X 200 Watts @ 4 Ohm
  • Built in Crossover
  • Class D
  • Water Resistant IP67
In stock
Quantity:
FAST FREE SHIPPING
30-DAY RETURNS
2 YEAR WARRANTY
SECURE PAYMENT

Have a Question?

Our experts are here to answer any questions you may have.

Contact Us
305-928-8734

Live Chat

FAST FREE SHIPPING
30-DAY RETURNS
2 YEAR WARRANTY
SECURE PAYMENT

KEY FEATURES

4 CHANNELS

4 CHANNELS

FULL-RANGE

FULL-RANGE

CLASS D

CLASS D

IP67 RATING

IP67 RATING

HPF/FULL/LPF

HPF/FULL/LPF

LED INDICATOR

LED INDICATOR

DOWNLOAD THE USER MANUAL

SPECS

SKU
NXL-X850.4D
Total Watts (Peak)
2400W
RMS Power @ 4 ohm
4 x 200W
RMS Power @ 2 ohm
4 x 300W
RMS Power @ 4 ohm Bridge
2 x 600W

Audio

Frequency Response
10Hz-20KHz
Signal to Noise Ratio 1W@4?
> 83dB
Efficiency @ 4ohm
83%
Input Impedance
20K?
Channel Separation
60dB
Total Harmonic Distortion (THD)
< 0.04%
Low Level Input Range
200mV-5V
Selectable X-Over
Yes (HPF/Full/LPF)
X-Over Filter Range
40Hz-2KHz
Bass Boost Range
N/A
Bass Boost Frequency
N/A
Infrasonic Filter
No
Phase Selector
No

Features

Amplifier Class
Digital
Amplifier Type
Stereo Full Range
Number of Channels
4
Minimum Impedance
2 Ohm (Stereo) / 4 Ohm (Bridge)
Led Indicators
Power / Protection / Clip
Power Input Size
8GA Tinned OFC
Fuse Size
2 x 50A (100A)
Thermal Protection
Yes (78?C)
Over-Load Protection
Yes
Short Circuit Output Protection
Yes
Voltage Input Protection
Yes (7-16V)
Body Color / Finish
Black Brushed Aluminum

Extra Features

Channels Input Selector
Yes
RCA Audio Output
Yes
Waterproof Rating
IP67
UV / Salt Fog Protection
Yes
Power Direct Harness Design
Yes
Quick Connect Plug
Yes
Surface Mount Component Technology
Yes
Marine Grade Fuse Holder
Yes

Measurement

Overall Length
11.8" / 301mm
Overall Wide
4.4" / 112mm
Overall Height
1.77" / 45mm
Heatsink Length
10.2" / 261mm
Gross Single Unit Weight
2.4kg

Load More

Product Overview

DS18 NXL-X850.4D

4 Channel Marine Waterproof Amplifier Class D 200W x 4CH @ 4 Ohm

DS18’s NXL-X850.4D is a powerhouse designed by DS18 for those seeking exceptional power output and enhanced sound performance.
With its 4-channel configuration, the NXL-X850.4D is perfect for powering a set of speakers or bridging the power to supercharge a subwoofer, offering versatile options for customization. The high pass and low pass filters allow precise tuning, ensuring crystal clarity at any volume level for an unparalleled audio experience.
The NXL-X850.4D has an IP67 waterproof rating, making it ideal for marine environments and outdoor adventures. Whether you're hitting the trails or cruising on the lake, the NXL series will withstand UV rays, saltwater exposure, and foggy conditions without compromising on performance.
The DS18 HYDRO NXL-X850.4D delivers a maximum output of 2400W, with 600W x 2CH bridged at 4-Ohms, 200W x 4CH at 4-Ohms, and 300W x 4CH at 2-Ohms, ensuring a powerful and immersive sound experience.
Installation is a breeze thanks to the ultra-compact size and direct power harness design with marine-grade OFC tinned wires. DS18's latest digital amplifier design with SMC technology guarantees top-notch audio quality, while the included marine-grade fuse and fuse holder provide ultimate protection against the elements.
Experience enhanced sound quality and power with DS18’s NXL-X850.4D!

Customer Reviews

Based on 6 reviews
83%
(5)
0%
(0)
0%
(0)
0%
(0)
17%
(1)
M
Maria Conceicao Schorn Harb Schorn Harb
The power

Exactly what I was looking for
Small and powerful, good and clean signal

A
A.M.
Amazing 🤩

Installed on my scarab boat, powered 2 towers and all my speakers, loud and clear!

J
Jon
Canam x3

Absolutely amazing, makes my canam x3 screammmm, perfect size and a lot of power, thanks

A
Amber
power on my side by side

I purchase the amplifier at my local dealer in Atlanta, i didnt hear about DS18 before and i am very impressed, i currently have Jl speakers, but for sure will change to DS18 this coming season

C
Carlos Alatorre

The best amp ever had the quality is great sounds very good

We are loading your cart...