JL Audio M6-10IB-S-GmTi-4 – 10" Marine Subwoofer for Free-Air Installations

Best Marine Subwoofer for Boat – High-Performance Bass for Open Waters

Looking to upgrade your sound system with the best marine subwoofer for boat audio? The JL Audio M6-10IB-S-GmTi-4 is optimized for free-air (infinite baffle) setups, offering massive bass and unmatched reliability for your marine environment. This 10" subwoofer is engineered to deliver powerful, precise low-end sound without the need for an enclosure, making it a smart, space-saving solution for your vessel.

⚓ Built for Bass, Tuned for the Sea

H2: Free-Air Optimized Performance

• RMS Power: 250W

• Peak Power: 500W

• Impedance: 4 ohms

• Mounting Depth: 5.12”

• Enclosure Type: Infinite baffle or optional sealed/ported

Whether you're coasting the coast or anchored offshore, this subwoofer enhances your marine audio system with thunderous bass, delivering dynamic lows without distortion.

🔧 For professional installation, visit Audio Jam in Bear, Delaware, your local experts in marine audio and window tinting services.

🌊 Marine-Grade Construction That Lasts

H3: Rugged Protection from the Elements

• Corrosion-resistant polymer basket

• Marine-grade synthetic fiber spider

• Injection-molded polypropylene cone

• UV and saltwater-resistant grille

• Synthetic rubber surround for flexible performance

This JL Audio subwoofer is built for real-world marine use, offering long-term durability and outstanding audio clarity no matter the conditions.

🔁 Smooth, Deep, and Accurate Bass

H4: Advanced Motor Structure

The long-excursion design allows the cone to move with precision and depth, delivering:

• Louder low frequencies

• Clean sub-bass with minimal distortion

• Optimal performance without needing a box

Pair it with JL Audio's marine coaxial speakers for a full-system upgrade and premium sound across all frequencies.

✅ Product Highlights

• Model: JL Audio M6-10IB-S-GmTi-4

• Size: 10” Marine Subwoofer

• Grille Style: Gunmetal Sport Grille with Titanium Insert

• Application: Infinite Baffle / Free-Air

• Power Handling: 250W RMS

• Use Case: Marine, powersports, UTV, boat, yacht

• Warranty: 2-Year Manufacturer Warranty