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JL Audio  M6-8IB-S-GmTi-4

M6 Series 8" 400W Peak Power Handling 4 Ohms, Marine Subwoofer with Gunmetal Sport Grille and Titanium Grille Insert

Item #53081

Condition:   Brand New

Product Highlights

  • M6 Series
  • 8" Subwoofer
  • 400W Peak Power Handling
  • 4 Ohms
  • Marine Grade
  • Gunmetal Sport Grille
  • Titanium Grille Insert

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping (No Minimum).
60 DAYS Price change protection.

$379.99

Reg. Price $479.99  Save $100.00

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JL Audio M6-8IB-S-GmTi-4 M6 Series 8" 200W RMS (400W Peak Power Handling) 4 Ohms, Marine Subwoofer with Gunmetal Sport Grille and Titanium Grille Insert


We are a JL Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • 8" M6 Series Marine Subwoofer with Gunmetal Sport Grille
  • • (1) marine subwoofer
  • • (1) grille
  • • (6) stainless steel mounting screws
  • • (6) stainless steel washers
  • • Grille removal tool (Luxe models only)
  • Owner's Manual

 

 

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Unleash World-Class Marine Bass

Experience powerful, smooth, and perfectly balanced bass that elevates every boating, fishing, or dockside adventure. Engineered for specialized applications, this subwoofer excels in compact enclosures or infinite-baffle setups without dedicated boxes, and pairs with quality amplification to deliver maximum output with minimal distortion.

Precision Bass, Built for the Water

Experience professional-grade, clear bass with DMA-optimized woofers that reduce distortion and deliver fast, accurate transient response. Built for real marine duty, this subwoofer resists saltwater and UV exposure, providing years of reliable performance on any American lake, river, or coastal adventure.

 

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Vibrant Style Meets Rugged Durability

Sport models feature Transflective™ RGB LED lighting that delivers smooth, multi-colored illumination with no hotspots or reflections, adding a premium glow to your boat. Constructed with marine-grade materials—including mica-filled polypropylene cones, synthetic rubber surrounds, polymer baskets and grilles, and stainless steel back plates—this subwoofer resists corrosion for long-lasting performance on the water.

Versatile Bass, Built to Last

Enjoy ultimate flexibility with installation options for infinite-baffle setups, sealed enclosures, or ported boxes, making it easy to design the perfect marine audio system. Rigorously tested in UV and salt-fog chambers, this subwoofer is built to withstand years of sun and saltwater exposure, ensuring reliable performance on any U.S. lake, river, or coastal adventure.

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SPECIFICATIONS


  • Diameter : 8 Inch
  • Sensitivity : 86.8 dB
  • Impedance : 4 Ohm
  • RMS Power Range : 200 Watts
  • Peak Power Handling : 400 Watts
  • Color : White
  • Mounting Depth : 5 Inches

FEATURES


Features:

  • World-Class Performance: Enjoy bass that impresses with powerful, smooth, balanced, and precise sound—perfect for boating, fishing, or dockside entertainment.
  • Model Specific: Specialized design optimized for compact enclosures or infinite-baffle installations without dedicated boxes.
  • Powerfully Efficient: Works best with quality amplification, delivering maximum output with minimal distortion.
  • DMA-Optimized Woofers: Proprietary motor, suspension, and cone modeling reduce distortion, improve transient response, and provide clear, professional-grade bass.
  • Real Marine Duty: Built to withstand saltwater and UV exposure, ensuring years of reliable marine performance.
  • Transflective™ RGB LED Lighting: Sport models feature a patented LED system with smooth, multi-colored illumination and no hot spots or reflections.
  • Marine-Grade Materials: Injection-molded mica-filled polypropylene cone, synthetic rubber surround, polymer basket and grille, and stainless steel back plate resist corrosion.
  • Flexible Installation: Works in free-air (infinite-baffle) applications, sealed enclosures, or ported boxes for versatile mounting options.
  • Marine-Tested Durability: UV and salt fog chamber tested to simulate years of sun and saltwater exposure.

 

Specifications:

  • Size: 8-inch
  • Impedance: 4 Ohms
  • Cone Material: Mica-Filled Injection-Molded Polypropylene (IMPP)
  • Surround Material: Synthetic Rubber
  • Basket Material: Polymer
  • Grille: Titanium (gray) Polymer, Sport
  • Free-Air / Infinite Baffle: Yes
  • Dual Voice Coil: No
  • Sensitivity: 86.8 dB @ 1 watt
  • Max RMS Power Handling: 200 watts
  • Peak Power Handling: 400 watts
  • Top Mount Depth: 5.07 inches
  • Cutout Diameter: 7.28 inches
  • Frame Width / Length: 8.82 inches
  • Vas: 15.29 liters
  • Fs: 54.92 Hz
  • Qts: 0.787
  • Xmax: 13.5 mm
  • Sealed: 2.0 cu ft recommended (1.5 cu ft minimum; 2.4 cu ft maximum)
  • Ported: 1.5 cu ft recommended; 4" diameter x 13.5" long port
  • Infinite-Baffle Operation: Optimized for free-air installation without a dedicated enclosure.
  • Sealed Enclosure Use: Minimum recommended volume is 1.5 cu ft.
  • Ported Enclosure Use: Recommended volume is 1.5 cu ft with 4" diameter port.
  • Marine Tested: UV and salt fog chamber tested for years of exposure to sun and saltwater.
  • Materials: Cone made of mica-filled IMPP with UV inhibitors; surrounds are synthetic rubber; basket and grille are UV-resistant polymer that encapsulates the woofer motor system.
  • UPC: 699440936194
  • Weight: 10
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.

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Write a review!
  • hits hard. currently using a JL mono amp and they perfectly pair with each other. it's loud as well.

    Joshua H.
    6/6/2024

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