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Multi-purpose Jl Audio M3 7.7in Coaxial Speakers Gray Sport Grille Essentials [JM57ougw]

$57.99 $185.99 -69%

JL Audio M3 7.7in Coaxial Speakers Gray Sport GrilleModel: M3-770X-S-GmPurpose-engineered and built for real marine duty, M3 coaxial systems deliver excellent performance at a more affordable price than our maximum-performance M6 models.The oversized

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Multi-purpose Jl Audio M3 7.7in Coaxial Speakers Gray Sport Grille Essentials [JM57ougw]

JL Audio M3 7.7in Coaxial Speakers Gray Sport Grille

Model: M3-770X-S-Gm

Purpose-engineered and built for real marine duty, M3 coaxial systems deliver excellent performance at a more affordable price than our maximum-performance M6 models.

The oversized 7.7-inch design of the M3-770X results in increased efficiency (more output for a given amount of power). This gives them the ability to play louder and cleaner at high volumes than smaller speakers.

The woofer design is optimized to operate with a large volume of air behind it (at least 2 cu. ft. / 57 l). Operating this coaxial system in less space will compromise its low frequency performance.

A 0.75-inch pure silk dome tweeter, specially treated to withstand the marine environment, handles the high-frequency duties. Silk has been chosen for its lightness, excellent damping properties and smooth response characteristics.

Although M3-770X Coaxial Systems can be used with as little as 20 W per channel, for best audio performance we recommend amplifiers capable of between 75-100 W of continuous power per channel.

Sold as a pair.

USA Limited Warranty: Two (2) years from the original date of purchase

Specifications
General Specifications
Continuous Power Handling (RMS) 70 W
Recommended Amplifier Power (RMS) 20 - 140 W / Ch.
System Efficiency 90.5 dB @ 1 W / 1 m
System Nominal Impedance 4 ohms
System Frequency Response 45 Hz - 25 KHz ± 3 dB
Coaxial Physical Specifications
Frame Outer Diameter 7.70 in / 196 mm
Bolt Hole Circle Diameter 6.92 in / 176 mm
Frontal Grille Protrusion 1.10 in / 28 mm
Mounting Hole Diameter 6.25 in / 159 mm
Mounting Depth 3.17 in / 81 mm

What Our Customers Say

February 5, 2026

Absolutely no complaints!

So very, very, very happy with my purchase.

- Monica B..

February 5, 2026

Absolutely no complaints!

It’s a very robust and very capable product.

- Zoey C..

February 5, 2026

Absolutely no complaints!

This is a great and a very smart purchase.

- Marianne I..

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