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JL Audio  M3-770X-S-Gm-i

M3 Series 7.7" 225W Peak Power Handling 4 Ohms, 2-Way Marine Coaxial Speakers, Gunmetal with LED Lights and Sport Grilles (Pair)

Item #53721

Condition:   Brand New

Product Highlights

  • M3 Series 7.7" Marine Coaxial Speakers
  • 225W Peak Power Handling
  • 4 Ohms Impedance
  • 2-Way Design
  • Gunmetal with LED Lights and Sport Grilles

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

$469.99

Reg. Price $489.99  Save $20.00
Add Extended Warranty
  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

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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?


 

 

JL Audio M3-770X-S-Gm-i Marine Speakers Front View with Green LED Accent
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.

 

JL Audio M3-770X-S-Gm-i Marine Speakers Rear Angle View

 

 

JL Audio M3-770X-S-Gm-i Marine Speakers Side Profile View
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.

JL Audio M3-770X-S-Gm-i Marine Speakers Three Quarter Front View with Magenta LED Accent

 


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.

SPECIFICATIONS


  • 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


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.

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  • honestly the best quality and the best navigation!

    Jessica
    11/20/2019

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