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The JL Audio M3-770ETXv3-Sb-S-Gm marine speaker delivers premium audio performance 🎶 designed for tough outdoor environments. With sleek styling, rich sound, and unmatched durability, this speaker is a top choice for boaters who demand the best on-water sound. Whether anchoring at the sandbar or riding the wake, this tower-mounted speaker keeps your music clear and exciting.
With its superior sound dynamics and rugged build, the M3-770ETXv3-Sb-S-Gm marine speaker brings concert-level energy to every journey. 💯 Whether you're hosting a dockside party or exploring open waters, this speaker turns up the excitement. Upgrade your system today and feel the power of premium sound built specifically for marine adventures. Don’t settle—sound better, go farther.
JL Audio’s engineering ensures this marine speaker handles moisture, salt, and sunlight with ease. 🌧️☀️ The M3-770ETXv3-Sb-S-Gm features UV-resistant enclosures and marine-grade components that resist fading, cracking, and corrosion.
Its sport-style grille with gunmetal finish adds a stylish, rugged look ⚙️. Whether mounted on wakeboard towers or roll bars, it enhances both aesthetics and sound performance.
This marine speaker features a 7.7-inch woofer and 0.75-inch silk dome tweeter. The large cone delivers deeper bass, while the tweeter provides clear high frequencies. Even at high volumes, your sound stays crisp 🔊.
Its high-sensitivity design ensures vibrant output even with lower power. Whether at anchor or cruising at speed, the audio stays rich and immersive.
With the included versatile clamp system, mounting is simple and secure 🛠️. It fits a variety of tower tubing sizes and ensures solid installation for marine or off-road use.
The integrated LED lighting adds a beautiful ambient glow 🌟. It enhances nighttime experiences while complementing your boat’s other lighted features for a complete look.
Despite its compact size, this speaker is a powerhouse. With 70 watts RMS and 225 watts peak, it delivers robust sound when paired with a quality car amplifier.
Want to build a complete sound system? Check out our full line of marine speakers collection to pair with your JL setup 🔗. From coaxials to tower enclosures, we’ve got you covered.
While it excels on the water, the M3-770ETXv3-Sb-S-Gm is also great for UTVs, golf carts, and Jeeps 🚙. Its durable construction makes it perfect for any adventure.
To extend equipment life and reduce cabin glare, consider adding Delaware window tinting 🌗. Tinted windows not only look great but protect against harmful UV rays and heat.
JL Audio is a trusted name in both marine and car audio. Their products are known for quality, longevity, and unmatched sound clarity 🔍. The M3 series strikes a perfect balance between affordability and performance.
Whether you're upgrading your boat's audio or starting a full system build, this model won’t disappoint 🎧.
✅ 7.7" woofer + 0.75" tweeter
✅ Sport enclosure with gunmetal finish
✅ Marine-grade, weather-resistant construction 🌦️
✅ 70W RMS / 225W peak power
✅ Tower mount clamp system included
✅ LED lighting adds ambient night glow 💡
✅ Ideal for marine, UTV, and tower use
Q1: Can I use this without an amplifier?
🔹 Yes, but an amplifier improves loudness and clarity for optimal performance.
Q2: Are the clamps included with the speaker?
🔹 Absolutely! Mounting hardware is included for easy installation.
Q3: Does the lighting change colors?
🔹 This model includes white LEDs. For multicolor, explore JL Audio’s RGB options.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Shipping to took to long a week late
It didn’t work and no instructions included
I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Good product
