Overview
Experience Clean, Deep Bass with the JL Audio M3-10IB-S-Gm-i-4 Marine Subwoofer
Introduction
The JL Audio M3-10IB-S-Gm-i-4 10-inch marine subwoofer is designed to bring deep, powerful, and distortion-free bass to your boat’s sound system. Crafted with JL Audio’s signature sound quality and built tough for saltwater environments, this subwoofer is ideal for open-air installations where space and air volume are limited. Whether you're entertaining guests, cruising the lake, or anchored under the stars, the M3-10IB delivers the impactful bass that brings your music to life on the water.
Engineered for Open-Air Infinite Baffle Use
The M3-10IB-S-Gm-i-4 is purpose-built for infinite baffle (IB) installation, meaning it does not require an enclosed box to perform optimally. This makes it the perfect subwoofer for marine environments where space is at a premium. You can mount it directly into a boat’s bulkhead or other panel, and it will use the boat’s structure as its enclosure. The result is deep, articulate bass without the hassle of installing a separate enclosure.
Designed for Harsh Marine Conditions
Every component of the JL Audio M3-10IB-S-Gm-i-4 is engineered to withstand the harsh realities of the marine world. Its Corrosion-resistant polymer basket, synthetic fiber spider, and marine-grade motor assembly ensure long-lasting performance in saltwater and UV-exposed conditions. The UV-resistant gloss graphite “Sport” grille not only looks sleek but is built to maintain its appearance and structural integrity, even under continuous sun exposure and splashes.
High-Efficiency Design for Reliable Performance
This subwoofer is optimized for high output with low power consumption, making it a great match for most marine amplifiers. The 4-ohm single voice coil design ensures easy integration into a wide range of systems. With 250 watts RMS power handling, the M3-10IB delivers rich, dynamic bass that complements any JL Audio marine speaker setup, filling the air with low-end energy you can feel.
Sleek Sport Grille Style
Aesthetically, the M3-10IB-S-Gm-i-4 stands out with its gloss graphite “Sport” grille with integrated JL Audio badge. This grille design is not only tough and UV-stable but adds a premium look to any boat interior or exterior mounting area. It blends beautifully with a wide range of modern marine design styles.
Built to Last in the Marine Environment
The M3-10IB isn’t just splash-proof — it’s designed to thrive in open marine conditions. Every material used is chosen for its ability to resist corrosion, UV rays, and moisture. JL Audio’s reputation for rugged build quality ensures that this subwoofer will continue to perform season after season, even under heavy use in sun, salt, and spray.
Key Features
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10-Inch Infinite Baffle Subwoofer: Designed for open-air installations without an enclosure.
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Marine-Grade Build: UV and corrosion-resistant materials ensure long-lasting durability in saltwater environments.
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250 Watts RMS Power Handling: Strong performance with a wide range of marine amplifiers.
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4-Ohm Single Voice Coil: Simplifies system integration and amplifier matching.
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Sleek Sport Grille: Gloss graphite finish adds a modern, premium aesthetic to your boat.
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High-Efficiency Design: Delivers powerful bass even with lower power systems.
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Made in the USA: Assembled with precision in JL Audio’s Miramar, Florida facility.
Why Choose the JL Audio M3-10IB-S-Gm-i-4?
For boaters who want impactful bass without the complexity of a sealed enclosure, the JL Audio M3-10IB-S-Gm-i-4 is the perfect solution. Its infinite baffle design, stylish grille, and rugged build make it ideal for both open deck and cabin applications. With the trusted performance and reliability that JL Audio is known for, this subwoofer gives you the depth and punch your music deserves—right where you need it most: out on the water.
What’s in the Box?
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1 x JL Audio M3-10IB-S-Gm-i-4 10-Inch Marine Subwoofer
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1 x Gloss Graphite Sport Grille (pre-installed)
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Mounting Screws and Hardware
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User Manual
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JL Audio Warranty Card
Specifications
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Woofer Size: 10 inches
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Impedance: 4 ohms
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Power Handling (RMS): 250 watts
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Recommended Amplifier Power: 75 – 250 watts RMS
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Mounting Depth: 5.12 inches (130 mm)
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Cutout Diameter: 8.875 inches (225 mm)
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Displacement: 0.052 cu. ft.
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Grille Style: Sport Grille (Gloss Graphite)
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Free Air (IB) Capable: Yes
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Weather Resistance: Built for saltwater use with UV-resistant materials
FAQs
Is the JL Audio M3-10IB-S-Gm-i-4 suitable for saltwater boats?
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Yes! It’s designed specifically for saltwater marine use, with UV and corrosion-resistant materials.
Do I need a subwoofer enclosure for this model?
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No. The M3-10IB is an infinite baffle subwoofer, which means it performs best when mounted directly to a bulkhead or panel without a dedicated box.
How much power does the subwoofer need?
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The subwoofer handles up to 250 watts RMS and is compatible with a wide range of marine amplifiers.
Can I install this subwoofer in a cabin or deck location?
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Yes, the versatile design allows for mounting in both open-deck and enclosed cabin areas of your boat.
Does this subwoofer come as a pair?
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No, it is sold individually as a single subwoofer unit.
What amplifier would you recommend for this subwoofer?
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A JL Audio M-series or XDM marine amplifier rated between 75–250 watts RMS @ 4 ohms would be ideal.