JL Audio M3-770X-S-Gm-i M3 Series 7.7" 70W RMS (225W Peak Power Handling) 4 Ohms, 2-Way Marine Coaxial Speakers, Gunmetal with LED Lights and Sport Grilles (Pair)
We are a JL Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
What's Inside?
- • (2) 2-way Marine speakers with grilles attached
- • (12) 1-1/8" Philips-head stainless-steel screws
- • (12) Stainless-steel flat washers
- • Template
- • Owner's Manual
Why Choose JL Audio M3-770X-S-Gm-i Marine Speakers?
Marine-Grade Power and Clarity
Purpose-engineered for marine environments, these speakers feature rugged, marine-grade construction for long-lasting durability and reliable performance. The 7.7-inch oversized design increases efficiency, delivering louder, cleaner, and more precise sound at high volumes compared to smaller speakers—perfect for open-air boating and outdoor adventures.
Engineered Bass and Crystal-Clear Highs
Enjoy powerful low frequencies with an optimized woofer design built to move a large volume of air (at least 2 cu. ft. / 57 L), delivering deep, full-bodied bass. Complementing the low end, the 0.75-inch pure silk dome tweeter is specially treated for marine conditions, providing smooth, clear highs with excellent damping and precise, detailed sound—even in challenging outdoor environments.
Dynamic RGB Lighting for a Striking Look
Transform your marine audio setup with integrated RGB LED illumination. The Sport Grille’s internal LED assembly lights the woofer cone uniformly, creating a vibrant visual experience on the water. For ultimate customization, add an optional RGB controller to access thousands of color variations and match your style or mood.
Efficient, High-Quality Sound at a Great Value
These speakers deliver excellent performance even with as little as 20 W per channel, while recommended amplifiers providing 75–100 W of continuous power per channel unlock their full potential. Offering superb sound quality at a more accessible price point than JL Audio’s top-tier M6 models, they make premium marine audio performance affordable without compromising clarity, power, or reliability.
Frequently Asked Questions (FAQ)
- • Why aren't the LED lights on my JL Audio M3-770X-S-Gm-i turning on?
Check the dedicated LED power wiring and verify it's connected to a compatible lighting circuit. The audio wiring does not power the LEDs.
- • Can I control the speaker illumination with my boat's RGB lighting controller?
Yes, if the controller is compatible with the speaker's LED lighting requirements.
- • Why do my speakers sound good at low volume but distort when I turn them up?
The amplifier may be clipping or the gain may be set too high. Proper amplifier tuning usually solves the issue.
- • Can these speakers be installed in a wake boat?
Yes. They are designed for marine environments including wake boats, pontoons, and center-console boats.
- • Why do my speakers have very little bass after installation?
Incorrect polarity or poor sealing around the mounting surface can significantly reduce bass output.
- • Are the M3-770X-S-Gm-i speakers resistant to UV damage?
Yes. They are built with UV-resistant materials for long-lasting outdoor performance.
- • Why does one speaker occasionally cut out while I'm underway?
Loose wiring, corrosion, or vibration at the speaker terminals is the most common cause.
- • Can I pair these speakers with a JL Audio marine subwoofer?
Yes. A marine subwoofer will improve low-frequency performance and create a more balanced sound system.
- • Why do the speaker grilles vibrate when the bass is loud?
Check that the speakers are securely mounted and inspect nearby panels for vibration.
- • Do I need a high-pass filter when using the M3-770X-S-Gm-i?
Yes. A high-pass filter helps improve clarity and protects the speakers from excessive low-frequency signals.
- Diameter : 7.7 Inch
- Sensitivity : 90.5 dB
- Impedance : 4 Ohm
- Frequency Response : 45-25000 Hz
- Peak Power Handling : 225 Watts
- Color : Gunmetal
- RMS Power Handling : 70 Watts
Features:
- Marine-Grade Construction: Purpose-engineered for marine environments, offering durability and reliable performance.
- 7.7-inch Oversized Design: Delivers increased efficiency, allowing for louder and cleaner output at high volumes compared to smaller speakers.
- Optimized Woofer Design: Engineered to operate with a large volume of air behind it (at least 2 cu. ft. / 57 l) for enhanced low-frequency performance.
- 0.75-inch Pure Silk Dome Tweeter: Specially treated for marine conditions, providing smooth, clear high-frequency response with excellent damping properties.
- Integrated RGB LED Illumination: The Sport Grille’s internal LED assembly uniformly lights the woofer's cone, creating a lively visual experience; optional RGB controller allows for thousands of color variations.
- Power Handling: Capable of operating with as little as 20 W per channel, with recommended amplifiers providing 75-100 W of continuous power per channel for optimal performance.
- Affordable Performance: Offers excellent sound quality at a more accessible price point than the maximum-performance M6 models.
Specifications:
- Speaker Size: 7.7 inches
- Design: 2-way
- Tweeter Design: 3/4" Dome
- Tweeter Composition: Silk
- Woofer Composition: Mica-filled IMPP
- Woofer Surround: Synthetic Rubber
- Sensitivity: 90.5 dB at 1 watt
- Frequency Response: 45 Hz - 25 kHz
- Max RMS Power Handling: 70 watts
- Peak Power Handling: 225 watts
- Impedance: 4 Ohms
- Top-mount Depth: 3 1/4 inches
- Cutout Diameter: 6 1/4 inches
- Bolt Circle: 6.91 inches
- UPC: 699440935210
- Weight: 5
- 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.
Do you own this product?
Write a review!
-
honestly the best quality and the best navigation!