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Product Description

Upgrade Your Boat or Outdoor Audio System

Elevate your boating, pontoon, or outdoor vehicle sound with DS18 NXL-IQ6/BK 6.5" 2-way coaxial marine speakers.

Engineered for high-volume marine performance, these speakers deliver 150W RMS (300W peak) per pair, cutting through wind, water, and engine noise for crisp, distortion-free audio.

Built with IP65 waterproofing, UV-stable materials, and corrosion-resistant components, they withstand harsh sun, salt, and splashes, while a shallow 2.5" mounting depth ensures easy installation. Integrated RGB LED lights (app-controlled with separate controller) provide vibrant effects and smooth color transitions.

Key Applications

  • Perfect for boats, pontoons, wake towers, and marine audio systems
  • Ideal for outdoor/off-road vehicles, docks, or marine entertainment areas
  • Works with most marine amplifiers, 4-ohm impedance, recommended high-pass crossover at 60Hz
  • RGB LED lighting controlled via DS18 LC app (controller sold separately)

Key Features & Capabilities

  • Power Handling: 150W RMS / 300W Peak per pair for high-volume marine audio
  • 2-Way Coaxial Design: High-output woofer with floating aluminum bullet tweeter for extended high-frequency clarity
  • Frequency Response: 45Hz – 20kHz for balanced bass, mids, and crisp highs
  • High Efficiency: 95dB sensitivity for louder output with less amplifier strain
  • Marine-Grade Construction: IP65 water & dust resistance, corrosion-resistant components
  • UV-Stable Materials: Polypropylene cone, rubber surround, and ASA grille resist fading and cracking
  • Digital RGB LED Lighting: Individually addressable LEDs with app control (controller sold separately)
  • Easy System Integration: 4-ohm impedance; compatible with most marine amplifiers
  • Shallow Mount Design: 2.5" mounting depth ideal for tight installations
  • Black Matte Finish: Modern marine look

What’s Included in the Box

  • DS18 NXL-IQ6/BK 6.5" 2-way marine speakers (pair)
  • (2) 1.5m 18-gauge speaker input wires with fast terminals
  • (2) 1.5m 22-gauge digital LED input wires with fast terminals
  • (12) M4 stainless steel mounting screws (4mm hex head)
  • (2) Front silicone protective speaker covers
  • Manufacturer Warranty: 1-Year Limited Warranty

Technical Specifications

  • Nominal Diameter: 6.5" (165mm)
  • Impedance: 4 Ohms
  • Power Handling: 150W RMS / 300W Peak
  • Sensitivity: 95dB (1W/1m)
  • Frequency Response: 45Hz – 20kHz
  • Tweeter: 25mm aluminum bullet tweeter with neodymium magnet
  • Woofer Voice Coil: 1.5"
  • Magnet Structure: Ferrite (13oz) + Neodymium (1.1oz)
  • IP Rating: IP65 (Water & Dust Resistant)
  • Mounting Depth: 2.5" (63mm)
  • Cutout Diameter: 5.3" (135mm)
  • Overall Dimensions: 7" diameter x 3.75" depth
  • Weight: Approx. 3 lbs per pair

Why Choose DS18 NXL-IQ6/BK Marine Speakers

  • True marine-grade design built to withstand sun, salt, and moisture
  • Integrated RGB LED lighting adds vibrant, customizable effects for your boat or pontoon
  • Easy installation with shallow depth and included hardware
  • Perfect for high-performance marine audio enthusiasts who want both style and function


Owner's Manual (pdf)

 

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
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