Haut-parleurs marins encastrables M3-770X-S-Gw-i - visuel officiel 1

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JL Audio

010-03069-00

JL Audio M3-770X-S-Gw-i flush-mount marine speakers

The JL Audio M3-770X-S-Gw-i are 7.7-inch 2-way coaxial marine speakers designed for powerful, clear audio performance in open environments. They feature RGB LED lighting for customizable ambiance and are optimized to withstand marine conditions. With 70 watts RMS and 225 watts peak power, they deliver a frequency response from 45 Hz to 25 kHz.

Price excl. import taxesBenefit from the professional rate

$394.00 USD

$394.00 USD ~~$435.00 USD~~

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Prices exclude import taxes. DAP delivery: import taxes are paid on delivery.

Available in stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

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Support service

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Technical specifications

Speaker Diameter In	7.7
Audio Output Power Rms	70
Peak Power W	225
Impedance	4
Audio Frequency Response	45-25000
Audio Sensitivity Db	90.5
Speaker Tweeter Type	Silk dome
Led Lighting	Oui
Rgb Color Select	Yes
Mounting Diameter	159
Mounting Depth	81
IP rating	Water-resistant
Color	White
Source type	Marine speaker
Grille Color	White
Material	UV- and corrosion-resistant polymer
Mounting type	Flush-mounted
Number Of Speakers Per Pack	2
Operating voltage	12V DC
Recommended Amplifier Power Rms	70
Screw Pilot Hole Diameter Fiberglass Thick Mm	3.18
Screw Pilot Hole Diameter Fiberglass Thin Mm	2.78
Speaker Type	Coaxial
Weight	3.56

Detailed description

Designed for the marine environment, the JL Audio M3-770X-S-Gw-i are 2-way coaxial 7.7" (196 mm) marine speakers combining acoustic performance with integrated RGB LED lighting. These speakers are optimized for "infinite-baffle" installations, requiring a minimum air volume of 2 cubic feet for optimal performance. Their robust construction uses UV- and corrosion-resistant polymer baskets and grilles, with an encapsulated woofer motor system for enhanced corrosion protection.

Marine Audio Performance

The 7.7" woofer features a mica-injected polypropylene cone with synthetic rubber surround. The 0.75" (19 mm) tweeter is a treated silk dome specifically formulated for marine conditions. The M3-770X-S-Gw-i delivers 70 watts RMS continuous power and 225 watts peak power. Frequency response spans 45 Hz to 25,000 Hz (± 3 dB) with 90.5 dB sensitivity (1 W / 1 m) and 4-ohm impedance. A 2-way crossover is integrated into the woofer basket, including a 12 dB/octave high-pass filter for the tweeter and a polyswitch semiconductor protection circuit for added reliability.

Integrated RGB LED Lighting

These speakers feature RGB LED lighting integrated into the grille frame, illuminating the woofer cone area. Seven fixed colors can be selected via a separate 12 V wiring per speaker. For extended color customization with thousands of variations, an optional RGB controller (such as the JL Audio MLC-RW) is required and sold separately. A secure installation with a 150 mA fast-blow inline fuse on the LED power positive wire is mandatory for each speaker to protect the LEDs and device from excessive current.

Design and Installation

With a cutout diameter of 159 mm (6.25") and a mounting depth of 81 mm (3.17"), the JL Audio M3-770X-S-Gw-i are designed for flush-mount installation. Their 7.7" design delivers superior mid-bass efficiency and response compared to 6.5" models, enabling higher sound output and improved clarity in open marine environments. Bright white "Sport" grilles are included.

Documentation

Type	Nom
	Gabarit de montage - Gabarit d'installation pour haut-parleurs marins M3-770X (EN)
	Notice d'installation - Instructions d'installation pour haut-parleurs marins M3-770X

Expert opinion

« Technical analysis of JL Audio M3-770X-S-Gw-i marine speakers »

The JL Audio M3-770X-S-Gw-i coaxial speakers are a relevant solution for integrating audio in open marine environments where sound must cover extended areas without a dedicated resonance enclosure. Their 7.7-inch design is a strategic asset, offering a cone surface area larger than 6.5-inch models, resulting in improved efficiency and a more pronounced mid-bass response. This feature is critical for clear and powerful outdoor listening, compensating for the lack of reflective walls.

Installing these speakers requires careful attention to details, particularly regarding RGB LED lighting wiring. Each speaker requires a separate 12 V power supply for its LEDs, along with a 150 mA inline fast fuse on the positive circuit. While this adds a step to installation, it ensures protection for both the LEDs and the speaker. An external RGB controller (not included) allows advanced customization of the lighting ambiance, a differentiating aesthetic factor for owners seeking to harmonize their boat's lighting. It is essential to ensure at least 2 cubic feet of air space behind the speaker to fully leverage its performance in "infinite-baffle" mode.

It is important to note that, as with any lighting equipment on the water, local regulations regarding the use of accent lighting on vessels must be consulted. Durability is ensured by water-, UV-, and corrosion-resistant materials, with an encapsulated woofer motor design that makes them suitable for real marine conditions, but they should not be mounted in areas of extreme heat such as engine compartments.

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JL Audio M3-770X-S-Gw-i flush-mount marine speakers

$394.00 USD

$394.00 USD ~~$435.00 USD~~

Frequently Asked Questions

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What is the size of these flush-mount marine speakers?

These JL Audio M3-770X-S-Gw-i speakers have a 7.7-inch (196 mm) diameter.

Are these speakers suitable for a marine environment?

Yes, these speakers are specifically designed for marine environments. They are water-resistant but must not be submerged or exposed to high-pressure water jets.

Do these JL Audio M3-770X-S-Gw-i speakers have LED lighting?

Yes, these speakers integrate RGB LED lighting. This feature is optional and requires separate wiring.

How many fixed LED colors can be obtained with these speakers?

By wiring the wires individually, it is possible to obtain up to seven fixed LED colors. For adjustable control and more colors, an RGB lighting controller is required (sold separately).

What type of grille is included with these speakers?

These speakers are supplied with a white Sport-style grille.

What is the required mounting depth for these speakers?

The required mounting depth for the JL Audio M3-770X-S-Gw-i speakers is 3.15 inches (approximately 80 mm).

What is the required cutout diameter for installation?

The required cutout diameter (mounting hole) for these speakers is 6.25 inches (approximately 159 mm).

What precautions should be taken before drilling or cutting for installation?

Before cutting or drilling, it is essential to check for potential obstacles behind mounting surfaces. It is also recommended to turn off the audio system and disconnect the battery.

Is it necessary to install a fuse for LED lighting?

Yes, it is essential to install a fast-blow fuse in-line on the positive wire, at the power source end of the LED cable for each speaker. This protects the LEDs and the speaker from excessive electrical current.

What is the recommended fuse rating for the LED lighting of the M3-770 speakers?

For the M3-770 speakers, the recommended fuse rating for LED lighting is 150 mA.

What type of wiring is required for the LED function?

The LED lighting function requires a separate 12V wiring harness for each speaker.

Do I need an external controller to adjust LED lighting?

For adjustable control of LED lighting (beyond the seven fixed colors obtained by direct wiring), an RGB lighting controller is required. This controller is sold separately.

Where should I not mount these speakers?

Do not install this product in an engine compartment or any other area exposed to extreme heat.

How should I securely mount these speakers?

These speakers must be securely mounted to prevent any risk of damage or serious injury, particularly in harsh sea conditions.

Which brand are these marine speakers from?

These speakers are from the JL Audio brand.

How to clean JL Audio M3-770X-S-Gw-i marine speakers?

To clean these speakers, use mild soap and rinse them only with fresh water.

Are these speakers coaxial?

Yes, the JL Audio M3-770X-S-Gw-i are 2-way coaxial speakers.

What are the recommendations for pilot screw holes in fiberglass?

For fiberglass with a thickness of 0.125 inches (approximately 3.175 mm) or less, a 7/64-inch drill bit is recommended. For fiberglass thicker than 0.125 inches, a 1/8-inch drill bit is recommended.