SKU: 33797808717

DS18 HYDRO Flush Mount Full Range Digital Marine 4-Channel AMP w/Voltmeter - 1200W [NXL-F4]

$237.58 $263.98
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Description

DS18 HYDRO Flush Mount Full Range Digital Marine 4-Channel AMP w/Voltmeter - 1200W [NXL-F4]HYDRO Flush Mount Full Range Digital Marine 4 Channel AMP w Voltmeter 1200W 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 makes great power. The F4 is an exact duplicate of the very popular NXL 400. 4 but is now offered in flat mount

HYDRO Flush Mount Full Range Digital Marine 4-Channel AMP w/Voltmeter - 1200W

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 makes great power. 

The F4 is an exact duplicate of the very popular NXL-400.4 but is now offered in flat-mount configuration so you can keep a flush and clean look to your install.

DS18 has a line just for the job with the NXL series of amplifiers to power your whole system. This 5 channel amplifier helps you accommodate all your different speaker setups without having to look further. Being 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:

  • Flush / Flat mount design so you can keep your install looking clean and flush
  • 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 Response - 20Hz - 20KHz
  • 2 Ohm RMS Power (14.4V) Per Channel - 4 x 160W
  • 4 Ohm RMS Power (14.4V) Per Channel - 4 x 100W
  • 4 Ohm RMS Power Bridge (14.4V) Channel - 2 x 320W
  • Signal-to-Noise Ratio - >95dB
  • Product Dimensions: (L x W x H) - 238mm x 135mm x 41mm

*Sold as an Individual

Specifications:

  • Bridgeable: Yes
  • Channels - Available: 4
  • Waterproof Rating: Submersible
  • Watts: 1200w
  • Box Dimensions: 4"H x 7"W x 11"L WT: 4 lbs
  • UPC: 810005182447

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: 33797808717

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4.4 ★★★★★
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Daniel Ivan
Birmingham, US
★★★★★ 5
Great for home office
Color: Grey, Color: Grey
This was a great replacement to the chair I use when I work from home, padding is firm and comfortable so I have no issue sitting on it for hours, the arm rest are foldable so is very convenient when my dogs are in co worker duty. Very easy to put together and it feels very firm and stable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
C
Verified Purchase
Carol Ann Everitt
Cuba, US
★★★★★ 5
Thick seat cushion
Color: Grey
This double-layer seat cushion is so comfortable! Before, my lower back would ache after just an hour on a hard bench, but now I can work in this chair for most of the day without feeling tired. The PU leather has a great texture, looks high-end, and is incredibly easy to maintain—just wipe it down with a cloth when it gets dirty. It feels smooth and breathable. The 360-degree swivel is very smooth, making it convenient to reach for documents in the office. The casters roll quietly and won’t scratch the floor. For anyone who spends a lot of time working at a desk, the comfort level at this price point is absolutely worth it. I highly recommend it.
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Reviewed in the United States on March 26, 2026
B
Verified Purchase
Brittany
Omaha, US
★★★★★ 3
Meh
Color: Black
It's ok. I got it because it looked like it has more cushion and might be more comfortable. Nope. It's the same comfort level as different chairs. My reer still goes numb and gets uncomfortable in this chair. Also, where your arms sit, the chair arms are slightly curved upwards and it causes my chair to be unable to fit under my desk. If they weren't slightly curved, that wouldn't happen. It's just another chair, nothing spectacular.
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Reviewed in the United States on June 13, 2026
M
Verified Purchase
Melissa Alvarado
Lexington, US
★★★★★ 5
Solid quality and comfortable
Color: Light Grey, Color: Light Grey
Wonderful quality chair, solid and sturdy, it was easy to put together, the directions were very clear and all the pieces fit together perfectly without issue. It is made of breathable material and I love that the arms flip up easily. You can raise it up or down and it has an adjustable headrest. It also has adjustable lumber support. It rolls easily and the color is the only reason I might return, I think I want a different one instead. The chair is comfortable for a petite person but equally comfortable for a tall person. We have both in our family and it is great for both. The armrests are comfortable and there is really nothing negative to say about this chair at all. Considering the quality, it is a great value for the money.
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Reviewed in the United States on April 15, 2026
A
Verified Purchase
Anastasiia
Birmingham, US
★★★★★ 5
Comfortable and Sturdy Office Chair
Color: Black, Color: Black
I’ve been very happy with this chair so far. The quality feels solid, and the materials look durable. The color matches the listing perfectly and fits nicely with my office setup. It’s very comfortable for long periods of sitting, with good support for my back and shoulders. Assembly was straightforward, and all the parts were included. The chair looks modern and professional, and the overall appearance exceeded my expectations. It feels stable and secure, even when reclining or moving around. The wheels roll smoothly, and the chair is easy to adjust for a comfortable fit. Overall, this is a well-made, comfortable, and attractive office chair that offers great value for the price.
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Reviewed in the United States on June 6, 2026

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