JL Audio M6-10W-S-GwGw-4 M6 Series 10" 250W RMS (500W Peak Power Handling) 4 Ohms, Marine Subwoofer with Gloss White Trim and Sport Grille
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What's Inside?
- • 10" M6 Series Marine Subwoofer
- • (1) marine subwoofer
- • (1) grille
- • (6) stainless steel mounting screws
- • (6) stainless steel washers
- • Grille removal tool (Luxe models only)
- • Owner's Manual
Why Choose JL Audio M6-10W-S-GwGw-4 Marine Subwoofer?
Premium Bass for the Ultimate Boating Experience
Feel every note with bass that’s not just powerful, but smooth, balanced, and precise. Designed for American boaters who demand top-tier audio, this subwoofer transforms every ride into a high-quality sound experience.
Versatile Performance, Maximum Bass
Engineered for flexibility, this subwoofer excels in compact enclosures or infinite baffle setups, ensuring top performance in any configuration. Powerfully efficient, it pairs seamlessly with high-quality marine amplifiers for consistent, strong, and reliable output on every ride.
Precision-Engineered Bass with DMA Technology
Experience clean, tight bass with DMA-optimized woofers. Proprietary motor, suspension, and cone designs minimize distortion and improve transient response, delivering crisp, high-impact low-end that elevates every track on your boat.
Rugged Durability Meets Eye-Catching Style
Built for real marine duty, this subwoofer resists UV exposure and saltwater, ensuring long-lasting performance in harsh marine environments. Sport models feature Transflective™ RGB LED lighting, delivering smooth, vibrant colors with no hot spots or reflections—making your boat look as stunning as it sounds.
Frequently Asked Questions (FAQ)
- • Why does my JL Audio M6-10W-S-GwGw-4 subwoofer sound weak even with an amplifier?
Weak bass is often caused by incorrect amplifier gain, crossover settings, or improper wiring. Verify that the amplifier is matched correctly and tuned according to JL Audio's recommended settings.
- • What are the port dimensions if I build a ported box?
JL recommends a single 4" diameter port that's roughly 11?" long, tuned to about 31 Hz. Builders on forums note getting this length even slightly wrong throws off the tuning and can make the bass sound boomy or thin.
- • Is the mounting depth an issue in smaller boats?
Depth can be tight in some console installs, similar to complaints seen on the IB version, so it's worth measuring available cavity space before cutting the mounting hole. Builders working in small center consoles say this is the step most likely to cause a mid-install surprise.
- • Is it designed for saltwater boats?
Yes, it features marine-grade materials that resist corrosion, UV rays, and moisture for long-term durability. Rinsing the subwoofer with fresh water after saltwater use helps keep it looking and performing like new.
- • Why do I hear rattling instead of clean bass from my subwoofer?
Loose fiberglass panels, storage compartments, or mounting hardware are usually responsible for unwanted vibrations. Securing nearby components and ensuring the enclosure is firmly mounted often solves the issue.
- • Can I use the JL Audio M6-10W-S-GwGw-4 with M6 marine speakers?
Yes, this subwoofer is designed to complement JL Audio M6 marine speakers in a complete marine audio system. Proper crossover adjustments will provide a smooth transition between bass and midrange frequencies.
- • Why does my amplifier keep going into protection mode with this subwoofer?
This can happen because of incorrect impedance wiring, poor power connections, or amplifier overheating. Check the wiring configuration and confirm that your amplifier is stable at the connected load.
- • How should I maintain it after boating?
Clean the subwoofer with fresh water, mild soap, and a soft cloth after each trip, especially in saltwater environments. Avoid harsh chemicals or abrasive brushes that could damage the grille or marine finish.
Learn how to wire subwoofers

- Diameter : 10 Inch
- Sensitivity : 86.1 dB
- Impedance : 4 Ohm
- RMS Power Range : 250 Watts
- Peak Power Handling : 500 Watts
- Color : White
Features:
- World-Class Performance: Delivers bass that impresses with smoothness, balance, and precision, perfect for American boaters who demand high-quality sound.
- Model Specific: Optimized for compact enclosures or infinite baffle installations, ensuring excellent performance in any setup.
- Powerfully Efficient: Works best with high-quality marine amplifiers for consistent, strong output.
- DMA-Optimized Woofers: Proprietary motor, suspension, and cone technology reduce distortion and improve transient response for clean, precise bass.
- Real Marine Duty: Tested for UV and saltwater resistance; built to last in harsh marine environments.
- Transflective™ RGB LED Lighting: Sport models feature smooth, vibrant lighting with no hot spots or reflections.
Specifications:
- Size: 8"
- Impedance: 4 Ω
- Cone Material: Mica-Filled IMPP with UV inhibitors
- Surround Material: Synthetic Rubber
- Basket/Grille Material: UV-Resistant Polymer
- Free-Air Compatible: Yes
- RMS Power Handling: 200 W
- Sensitivity: 86.8 dB
- Top Mount Depth: 5.07"
- Mounting Diameter: 7.28"
- Vas: 15.29 L
- Fs: 54.92 Hz
- Qts: 0.787
- Xmax: 13.5 mm
- Weight: 8.7 lbs
- UPC: 699440936446
- 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!
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Running with a 250 watt amp, the sub is really pushed to deliver the best lows it can deliver and its meeting my expectations. Tried to crank up the amp’s volume and the sub still sounds tight and clear after turning it up.
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JL components speak for themselves, it's sounds amazing.