SKU: 34365562306

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

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Description

NXL 4-Channel Full-Range Class D IP67 Marine and Powersports Amplifier 4 x 200 Watts Rms @ 4-OhmDS18 HYDRO NXL X850. 4D 4 Channel Marine Waterproof Amplifier Class D Full Range 200 x 4 RMS @ 4 Ohm 2400 Watts Peak DS18 designed the NXL X850. 4D for customers looking for a compact and waterproof amplifier with exceptional power output and prioritizes boosting sound. The NXL series impressive power output is supplemented by its outstanding efficiency, and its durability in harsh conditions makes it a favorite among customers in need of a waterproof

DS18 HYDRO NXL-X850.4D 4-Channel Marine Waterproof Amplifier 
Class D Full-Range 200 x 4 RMS @ 4 Ohm 2400 Watts Peak

DS18 designed the NXL-X850.4D for customers looking for a compact and waterproof amplifier with exceptional power output and prioritizes boosting sound.

The NXL series impressive power output is supplemented by its outstanding efficiency, and its durability in harsh conditions makes it a favorite among customers in need of a waterproof amplifier to be the powerhouse of their system.

The high pass and low pass filters will help you tune your speaker choice accurately so you can obtain crystal clarity from low volume levels all the way to maximum for the ultimate audio experience.

All NXL units have stable and reliable 4-layer PCB layouts, IP67waterproof rating for power sports, has an ultra-compact size for easy installation, and has audio precision quality control verification.

The NXL Marine Amplifier series is perfect for outdoor enthusiasts looking for a durable, waterproof amplifier with intense power for their marine vehicle's audio system. This series is best used in various rugged and wet environments, such as on trails or at the lake.

Highlights

  • The included a marine grade fuse and fuse holder that is connected inline with your main power wire will help with ultimate protection against the elements.
  • IP67 Waterproof Rating
  • UV, Salt and Fog Protection
  • Direct Power Harness Design with Marine Grade OFC Tinned Wires
  • Latest Digital Amplifier Design With SMC Technology
  • Maximum output of 600W x 2CH bridged at 4-Ohms, 200W x 4CH at 4-Ohms, and 300W x 4CH at 2-Ohms

Great For

  • Marine
  • Off Road
  • DIY Projects

Technical Details 
             Download NXL-X850.4D Product Manual
Specifications 
POWER  
Total Watts (Peak) 2400W
RMS Power @ 4 ohm 4 x 200W
RMS Power @ 2 ohm 4 x 300W
RMS Power @ 1 ohm  -
RMS Power @ 4 ohm Bridge 2 x 600W
AUDIO  
Frequency Response 10Hz-20KHz
Signal to Noise Ratio 1W@4Ω > 83dB
Efficiency @ 4ohm 0.83
Input Impedance 20KΩ
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 Ohms (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
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




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: 34365562306

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4.3 ★★★★★
Based on 30 reviews
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Product Reviews
L
Verified Purchase
LJ
Lexington, US
★★★★★ 5
My puppy’s favorite fetch toy!
Size: Small
Update Aug 27, 2024: After 10 months, these are still his favorite ball. He’s obsessed with fetching and plays with them all day. They do bounce really high. Unfortunately, the small size aren’t available for sale anywhere anymore. I tried the medium size, and he has a bit of trouble hanging on to them, but he manages. Weirdly, he prefers the orange one, but he also plays with the blue one. My 7 month old Shih Tzu puppy loves to fetch, and these are his new favorites. They’re small enough to fit in his mouth, and they are made of hard plastic, so he’s able to hold on to them. They have a lot of bounce, and this adds to the fun for him. I highly recommend them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2023
G
Verified Purchase
Genuinely
Belleville, US
★★★★★ 4
Genuinely bummed that these great balls can’t stand up against my Chloè.
Size: Medium
I love all the Chuckit brand of balls. I found that the Strabo and glow balls in the Chuckit line are the softest, and as such, don't last as long as the rest of Chuckit line of balls. Having said that, they do last longer than than every other brand I've tried (and I do believe I’ve tried every brand available on the market today.) The strato balls do bounce higher than any of the other balls in the Chuckit line. They really are a good value.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2022
D
Verified Purchase
Debbie
West Palm Beach, US
★★★★★ 5
Great dog balls at a great price
Size: Medium
The balls are a favorite for my dog. I could have done without the hole through the middle because I don't do treats in balls anyway. My dog loves balls for their own merit. I needed replacement balls for my Nerf Dog Ball launcher. It seems the originals have disappeared from the market. I took a chance because the price is right and this Chuck-it ball works very well so we're liking this ball a lot. So far my Dachsund, who can destroy a tennis ball (the kind they are selling as Nerf Dog replacements) in 3 minutes has not done any damage to this one so that's a win. I recommend this as a much better ball than the fuzzy tennis balls. I like the colors too since many dog toys are green (which gets lost in the lawn, etc.) or red (even though dogs have red/green color blindness. Blue and orange are good and pretty easy to find. I liked these well enough that this set was my second purchase so I will have spares in case the others are lost.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2023
J
Verified Purchase
Just passing through
Charlottesville, US
★★★★★ 5
My Baby loves his new baby!
Size: Medium, Size: Medium
Finally! A ball my 107 lb. pitty/pointer mix can’t destroy. He has torn up every single “indestructible” toy in a day or so until now. He peels fabric and fur off non-rubber toys. He is a 4-legged shredder. I’ve added pictures of him for a size reference of my dog versus this product. I know I had wanted that when shopping for this item. This ball is now his beloved “baby.” He goes absolutely insane looking for it, chewing it, chasing it, and even sleeping with it. He won’t rest unless he knows exactly where it is. It is his only toy, and he is good with that. After getting this home, I tried giving him other choices, but he won’t touch them. I was worried that he would rip it apart by putting his teeth in the holes, but so far, not a scratch. It is soft enough to collapse just enough to keep it from cracking when his jaws crush it but not so soft that he can rip it to sheds. The holes are large enough to prevent a suction or vacuum effect on his tongue or mouth. For his size jaws, it is a perfect fit. Other dogs might have problems with suction or be able to get their teeth in those holes and rip it apart. Who knows? The older version of the Chuckit squeaky ball was his favorite for the year and a half he had it, but the way they make them now, he peels off the orange triangle in hours flat, the squeaker falls out (choking hazard), and then he rips it apart. I’m going to stock up on these. I can’t imagine how crazy he will be if they ever stop production or change the materials.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2019
V
Verified Purchase
Verucat
San Leandro, US
★★★★★ 5
Yes!
Size: Medium
Durable. Squeak doesn't last forever with my aggressive chewers but crinkle does. Best balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025

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