🔊 JL Audio M3-770X-CGW Marine Speaker – Bigger Sound, Classic Look
When you want louder, deeper sound on the water, the JL Audio M3-770X-CGW Marine Speaker deliver. These 7.7-inch coaxial speakers offer more cone surface than standard marine speaker models, giving you stronger output, deeper bass, and cleaner mids at any volume.
Built to handle salt, spray, sun, and speed, these speakers provide premium JL Audio quality in a durable, white classic grille design. Whether installed on a wake boat, pontoon, or offshore fishing vessel, they’re ready to perform.
🌊 Built to Endure the Elements
Marine conditions are unforgiving. That’s why JL Audio designed the M3-770X-CGW to handle the harshest environments. Every component is built to withstand long-term UV exposure and saltwater spray.
They’re compliant with ASTM B117 and ASTM D4329 standards for corrosion resistance and UV protection. The speaker frame is made from UV-treated polymer. Stainless steel hardware prevents rust over time.
This marine speakers is perfect for open deck installations or anywhere exposed to sun and water.
🔉 Bigger Cone, Bolder Sound
The M3-770X-CGW is larger than standard 6.5-inch models. Its 7.7-inch woofer delivers more midbass and overall output. The long-excursion woofer cone provides tight, punchy lows, while the 0.75-inch silk dome tweeter delivers smooth, high-frequency clarity.
Each speaker handles 70 watts RMS and 225 watts peak, making it ideal for both head-unit and amplifier-powered systems. You’ll notice improved sound depth and balance, even at lower volumes.
This marine speakers brings bold sound across wide listening zones without distortion or strain.
🧩 Easy Install and Classic Grille Design
Installation is straightforward. The M3-770X-CGW fits most 7.7-inch marine speaker openings. The shallow mounting depth allows for flexible placement, even in tight spots.
It features JL Audio’s Classic Grille in Gloss White (CGW), a timeless design that blends well with white fiberglass interiors and consoles. The look is clean, understated, and professional.
These speakers match both modern and vintage marine aesthetics with ease.
🔧 Professionally Installed by Audio Jam
Audio Jam offers professional marine audio installation in Bear, Delaware. We use marine-rated wire, sealed connectors, and stainless hardware on every job.
Our team verifies polarity, tunes gain levels, and ensures balanced sound across all speakers. We install marine speakers with care and precision to maximize performance and lifespan.
Audio Jam
227 Governor Place, Bear, DE 19701
📞 302-832-2868
🕒 Monday – Saturday, 10 AM – 6 PM
🔁 Add More with JL Audio Components
Pair the M3-770X-CGW with JL Audio marine subwoofers, amplifiers, and Bluetooth head units for a complete system. You can scale your setup to fit your boat and preferences.
Explore matching gear in our Marine Speakers Collection. We offer bundled options and expert guidance for any install.
☀️ Protect Speakers with Window Tint
Sun exposure weakens speaker cones and fades interior trim. Installing marine window tint reduces cabin temperature and blocks UV damage.
It also improves screen visibility and comfort on bright days. For best results, we recommend Window Tint Delaware, a trusted marine tint specialist.
Their tints protect audio gear and extend your investment.
🎶 Engineered for Real Marine Sound
JL Audio didn’t just scale up the speaker—they tuned it for real marine listening. Whether you’re at the helm or relaxing on the swim deck, you’ll hear consistent, full-range audio.
This marine speaker is ideal for larger vessels or loud environments. With more cone area and power handling, it fills space with minimal distortion.
❓ Frequently Asked Questions (FAQ)
Q1: Will these speakers fit where my 6.5" speakers are?
No. These require a larger 7.7-inch cutout. Check dimensions before purchase.
Q2: Can I run these speakers without an amplifier?
Yes. They sound great on head-unit power but benefit from external amplification.
Q3: Are these speakers water-resistant or waterproof?
They are water-resistant and built for marine environments, but not submersible.