SKU: 10871886886

DS18 HYDRO Full Range Digital Marine 4-Channel Amplifier - 720W [NXL-N4]

$151.17 $167.97
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Description

DS18 HYDRO Full Range Digital Marine 4-Channel Amplifier - 720W [NXL-N4]HYDRO Full Range Digital Marine 4 Channel Amplifier 720W Whether you are the type of audio enthusiast that likes to hit the open road on his bike, ride the rough trails on your side by side, or cruise the open waters, you are going to need a powerful and waterproof rated amp that has a small footprint and also make great power. DS18 has a line just for the job with the NXL series of amplifiers to power your whole system. This 4 channel amplifier helps

HYDRO Full Range Digital Marine 4-Channel Amplifier - 720W

Whether you are the type of audio enthusiast that likes to hit the open road on his bike, ride the rough trails on your side by side, or cruise the open waters, you are going to need a powerful and waterproof rated  amp that has a small footprint and also make great power. 

DS18 has a line just for the job with the NXL series of amplifiers to power your whole system. This 4 channel amplifier helps you accommodate for all your different speaker setups without having to look further. Being a full range amps, these can be run on subs, mids, or tweeters because of the internal design of the amp. 

All units have stable and reliable 4-layer PCB layouts, IPX67 rated for power sports, has an ultra-compact size for easy installation, and has audio precision quality control verification.

Features:

  • Stable and reliable 4 layers PCB layout design
  • IPX67 Waterproof for Powersports applications
  • Ultra compact size for easy installation
  • Audio precision quality control verification 

Technical Specifications:

  • Number of Channels: 4
  • Frequency Range: 20Hz - 20KHz
  • Max Power:    720W 
  • 2 Ohm RMS Power Per Channel: 150W x 4
  • 4 Ohm RMS Power Per Channel: 100W x 4
  • 4 Ohm Bridged Power Per Channel:  260W x 2
  • Signal-to-Noise Ratio: 90 dB
  • Dimensions (L x W x H) - 200mm x 93.4mm x 39.8mm

*Sold as an Individual

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications:

  • Channels - Available: 4
  • Bridgeable: Yes
  • Watts: 720w
  • Waterproof Rating: Submersible
  • Box Dimensions: 3"H x 5"W x 10"L WT: 2.7 lbs
  • UPC: 810005180603

Owner's Manual (pdf)
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: 10871886886

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4.3 ★★★★★
Based on 6 reviews
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Verified Purchase
nicolas juarez
Belleville, US
★★★★★ 5
"Outstanding support and a seamless process!"
Great experience with Asurion insurance through Amazon. I wasn't sure how to register my items for the monthly plan, but the customer support team in the chat was incredibly efficient and guided me through the entire paperwork process smoothly. Furthermore, the service I received at the repair shop (Break Fix) was excellent. The whole process was seamless, and I received my digital gift card without any issues, which I’ve already applied to my Amazon account. I am very grateful for their professionalism and how easy they made everything. Highly recommended!"
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
T
Verified Purchase
Toveth Noyse
Charlottesville, US
★★★★★ 5
Received giftcard money to replace my plan-protected malfunctioning motherboard
I've been subscribing to the Asurion protection plan for a while. Recently, an Asus Prime PC motherboard I had bought a few months ago on Amazon stopped working well. I ended up considering filing a claim with Asurion to see if they would either fix/replace it or issue the purchase price money, so I could buy the failed electronics replacement component again for my custom-built PC. I went to the protection plan's website and started the claim filing process but couldn't find the category my failed component would be under in order to select it from the drop-down list. I ended up messaging the live customer service. The chat messaging was somewhat slow, the agent told me they were experiencing some communication delays throughout their systems. Ultimately, the agent was very kind and understanding, and completed the claim filing process for me on her side by asking me to provide the necessary info such as the item's product name, date of purchase, price before taxes, etc. I received a printable UPS shipping label in the email, printed it, and returned the item in the mail. Approximately 2 days later, I received an Amazon giftcard code in the email with the dollar amount equal to the item's price before the sales tax. Then I redeemed the giftcard code on the Amazon page and proceeded to apply the giftcard money to my next purchase of a replacement Asus prime motherboard, and it all worked out successfully. Therefore, I had no issues with the protection plan service and recommend it to others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
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Verified Purchase
Steve
Lowell, US
★★★★★ 4
Fast and easy but I dont trust the process to be fully automated.
The process was very smooth and fairly quick. The only challenge I had was that the CLAIM status showed complete but I had to manually go look up the status. There was no email or notification it was closed. After manually checking the status, I called customer support and they said since I called in, they would process the payout. I wonder if I didnt call in if they would have processed it? Also, the phone rep said they would issue me a amazon egift card but then the next day I received a email saying they mailed out the payout. Very poor communication but so far the process was easy and fast.
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Reviewed in the United States on April 1, 2026
T
Verified Purchase
Tyler Walcker
Whiting, US
★★★★★ 5
Best charger
Color: black, Size: 2pack & 2cable
works very well. its been like 2 years and hasn't failed or died once. No overheating unless you use another charger but bad. it does use 20W and charges quickly. it is portable even on planes. I recommend this to anyone with a low budget when it came it instantly worked.
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Reviewed in the United States on June 4, 2026
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Verified Purchase
R E Hogwild
Dallas, US
★★★★★ 5
Anker always a solid performer!
Color: black, Size: 2pack & 2cable
Anker product seem to be the most constant in Quality and performance I have experienced with chargers and battery banks. The cables are high quality and performance to specifications. I am very happy with the fast charging Type C on this charger.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026

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