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DS18
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Product Description

Overview

Upgrade your marine, ATV, UTV, Side-by-Side, Jeep, motorcycle, or boat audio system with the DS18 Hydro Marine Subwoofer (NXL-12SUB/BK).

Designed for extreme marine conditions, this 12" subwoofer delivers 350W RMS and 700W peak power, providing deep, punchy bass for any high-performance audio setup.

Its IP65 marine-grade compliance ensures durability in saltwater, UV exposure, and high-humidity environments, while integrated RGB lights with an optional remote add a customizable, eye-catching visual touch.

This subwoofer is perfect for boats, wakeboard towers, personal watercraft, and off-road vehicles, offering robust low-end response and premium quality construction for any sound system.

Features

  • Integrated RGB lights with optional remote control for dynamic lighting
  • IP65 Marine Grade Compliant – waterproof and corrosion-resistant
  • 100% UV-stable materials – won’t fade in sunlight
  • High-temperature injection-molded composite for durability
  • High-gloss basket with UV coating for added protection
  • Compatible with DS18 LED-BTC accessories for customization
  • Sold as a single unit for flexible installation

Technical Specifications

  • Size: 12"
  • RMS Power: 350W
  • Max Power: 700W
  • Magnet Type: Y35 Ferrite Main Magnet
  • Sensitivity: 91dB
  • Nominal Impedance: 4 Ohm
  • Frequency Response: 25Hz – 23kHz
  • Mounting Depth: 5.75" (146mm)
  • Cut-Out Diameter: 11.81" (300mm)
  • Overall Diameter: 12.81" (325.3mm)
  • Overall Height: 6.68" (195mm)
  • Color: Matte Black
  • Mounting Style: Surface

What’s Included in the Box

  • One (1) DS18 Hydro Marine Subwoofer NXL-12SUB/BK
  • Mounting hardware included for quick installation
  • Instruction manual

Application & Use Cases

  • Perfect for marine audio systems on boats, pontoons, and personal watercraft
  • Ideal for ATV, UTV, and side-by-side sound system upgrades
  • Works with high-power marine amplifiers and complete DS18 setups
  • Compatible with RGB lighting setups for visually striking installations
  • Can integrate into wake tower speaker systems, cockpit audio systems, and custom marine builds

Warranty & Protection

  • Designed and tested for marine-grade performance
  • IP65 rated: resistant to water splashes and corrosion
  • 100% UV-stable materials for long-term sun exposure
  • Backed by DS18 manufacturer warranty

Why Choose DS18 Hydro

  • Combines high-performance audio with marine-grade durability
  • RGB lighting options make your build visually dynamic
  • Engineered for off-road, marine, and extreme conditions
  • Deep bass response enhances every boating, ATV, or UTV adventure
  • Trusted by marine and off-road enthusiasts for reliability and quality

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.

Warranty
Contact the Manufacturer directly to check your Warranty Information.

Warranties will cover many manufacturing defects or issues with materials and workmanship.
If you experience any problems with your item within the Warranty Period, please contact Manufacturers directly. 

If you need assistance in how to reach the correct Manufacturer, reach out to our customer service team for assistance. 

Have more questions? Visit our FAQs Page to learn more!

Shipping
We offer several shipping options to meet your needs, including standard shipping, expedited shipping, and express shipping.

During checkout, you can select your preferred shipping method and see the estimated delivery times and costs.

Across the board, orders $99+ typically qualify for FREE Shipping. However, exclusions may apply to certain products, like Hazardous Materials, oversized items, and even products that ship directly from Vendors, etc. 

You can read our full Shipping Policy here or even visit our FAQs Page for assistance with quick, common questions.
Support
Need help? Jump into our live chat—look for the icon at the bottom of your screen!

For any other way to connect with us, head over to our Contact page to find the perfect way to reach a Suncoast team member.
Need Professional Installation?
Mobile installation services are available in select Southwest Florida areasContact us to confirm availability.
Let our pros handle the install.

We offer mobile marine installation services for boat owners in our local Southwest Florida service area. From amplifiers and speakers to marine electronics, seating and power systems, and more.. Our technicians come directly to your boat—at the dock, marina, or your home.

✔ Marine electronics & audio installation
✔ Power systems, batteries & chargers
✔ Clean wiring, tuning & system setup and more..
✔ Trusted by local boat owners

For safety, proper alignment, and to avoid damage or warranty issues, we strongly recommend professional installation by a qualified Marine Technician.

Improper installation may void warranties or cause instability.
Call for Installation Help
View Mobile Marine Services
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