JL Audio M3-770ETXv3-Sb-S-Gm-i, M3 7.7" 2-Way Enclosed Marine Coaxial Speakers w/ LED

Model: JL-M3-770ETXv3-Sb-S-Gm-i
UPC: 699440935371

JL Audio M3-770ETXv3-Sb-S-Gm-i, M3 7.7" 2-Way Enclosed Marine Coaxial Speakers w/ LED

JL Audio M3-770ETXv3-Sb-S-Gm-i, M3 7.7" 2-Way Enclosed Marine Coaxial Speakers w/ LED
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WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov

Enclosed in these beautiful, injection-molded enclosures are our high-performance, M3 7.7-inch coaxial tower speakers. Specifically tuned for tower enclosure applications, these coaxial drivers deliver clean, loud audio that can be heard well beyond the boat when mounted up high.

The enclosures feature a decorative, aluminum logo cap on the end opposite the speaker, which can be oriented to match any custom mounting application. Each is designed to mate with one of our clamp systems (sold separately, and available to fit a wide range of pipe diameters). The wire exits through the center of the mount, staying high and dry, and out of sight.

Integrated into the Sport Grille’s frame, the internal LED lighting assembly was meticulously designed to uniformly illuminate the woofer’s cone area with a lively glow, adding a dramatic visual experience to your high seas journey. Add an optional RGB controller to create thousands of color variations. Professional installation is strongly recommended.

For best results, we recommend powering these systems with an amplifier in the 25-140 W per channel range.

Like all JL Audio marine speakers, this system is built to withstand a real saltwater marine environment and deliver years of listening enjoyment.

Marine Materials / Testing

The design of marine products requires extensive materials testing to achieve reliability and longevity.

Speaker Size




2-Way Marine Tower Speakers
Color Gunmetal
Water Resistance Rating Weatherproof
LED Illumination Yes

Tweeter Design

0.75" Dome

Impedance (Ohms)


Tweeter Composition

Woofer Composition
Mica Filled Polypropylene
Woofer Surround


RMS Power Rating (Watts) 70 Watts
Peak Power Rating (Watts) 225 Watts
Sensitivity (dB)


Frequency Response (Hz)

55 - 25k Hz

Enclosure Depth (Inches)


Enclosure Diameter (inches)


Grilles Included Yes, Sport Grille


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