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JL Audio

010-03266-00

JL Audio M3-770ETXv3-Gw-C-Gw Marine Tower Speakers

Designed for open marine environments, the JL Audio M3-770ETXv3-Gw-C-Gw tower speakers are a 7.7-inch 2-way coaxial system. They deliver 70 W RMS continuous power and feature RGB LED lighting. Their construction is optimized to resist salt and UV exposure.

Supplied with two aluminum logo covers, a tube of silicone adhesive, eight red butt connectors (#22-18 AWG) and four blue ones (#16-14 AWG).

Retail priceBenefit from the professional rate

787,49€

787,49€ ~~899,99€~~

Tax included. Shipping calculated at checkout.

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 Hz - 25 kHz
Audio Sensitivity Db	90.5
Speaker Tweeter Type	Coaxial
Led Lighting	Oui
Rgb Color Select	RGB
Mounting Diameter	196
Mounting Depth	321 mm
IP rating	Marine grade
Color	White
Source type	Marine speaker
Product dimensions	Ø196 x 321 mm
Frequency Response Tolerance Db	± 3
Fuse Requirement Led	Inline fast-blow fuse
Led Wire Gauge	20
Mounting Offset	26
Mounting type	Tour
Operating voltage	12
Overall Height With Mount	222
Recommended Amplifier Power Rms	20 - 140
Recommended Rgb Controller	JL Audio MLC-RW
Rgb Led Colors Available	Red, Green, Blue, Yellow, Pink, Aqua, White
Speaker Wire Gauge High Power	16
Weight	7.85

Detailed description

Designed for open marine environments, the JL Audio M3-770ETXv3-Gw-C-Gw marine tower speakers are a 2-way 7.7-inch coaxial system. They are built with salt- and UV-resistant materials, ensuring durability in marine conditions. This system is optimized to deliver clear, powerful sound audible beyond the boat, especially when mounted high on a tower. Their 7.7-inch woofers provide higher output power and power handling than smaller speakers.

Technical Specifications and Audio Performance

Each M3-770ETXv3-Gw-C-Gw speaker handles 70 watts RMS continuous power and 225 watts peak music power. The nominal impedance is 4 ohms. The frequency response ranges from 45 Hz to 25 kHz (± 3 dB), with a system efficiency of 90.5 dB at 1 W / 1 m. The woofers feature mica-injected polypropylene (MIPP) cones with synthetic rubber surrounds, incorporating DMA modeling systems to reduce distortion and improve transient performance and bass quality. The 0.75-inch (19 mm) silk dome tweeters are treated for marine environments, providing high-frequency detail. Each speaker includes a second-order high-pass tweeter filter with semiconductor protection circuitry.

Design and Installation

The speaker is made of injection-molded plastic (ABS) with a glossy white finish and glossy white classic grilles. Its dimensions are 7.70 inches (196 mm) in diameter for the speaker, 12.62 inches (321 mm) in depth, and 8.74 inches (222 mm) in height including the mounting bracket. The system is compatible with JL Audio clamp mounting systems (sold separately), allowing installation on various tube sizes. Speaker wiring is routed through the center of the bracket for discreet and protected management. Models with LEDs feature permanent RGB multicolor lighting. The LEDs require an RGB lighting controller (sold separately) for adjustable control, or can be hardwired for up to seven color combinations. A decorative aluminum logo cap is present at the opposite end of the speaker, rotatable as needed for installation.

Documentation

Type	Nom
	Notice d'installation - Instructions d'installation pour haut-parleurs marins JL Audio M3-ETXv3 (EN)

Expert opinion

« Technical analysis: JL Audio M3-770ETXv3 tower speakers for open marine environments »

The JL Audio M3-770ETXv3-Gw-C-Gw tower speakers are specifically designed for applications where sound projection is critical, such as on wakeboards or sport boats. Their 7.7-inch format, combined with a 2-way coaxial architecture, delivers efficient sound dispersion over greater distances than traditional speakers—a key advantage for outdoor nautical activities.

Robustness is a strong point of this model. The use of composite materials resistant to saltwater and UV, along with compliance with high international standards for salt fog resistance and UV exposure, ensures increased longevity in demanding marine environments. This design ensures acoustic performance is not degraded by the elements.

The integration of RGB LED lighting provides a customizable aesthetic dimension, though an external controller is required for full color management. Installation necessitates the separate purchase of dedicated JL Audio mounting hardware, which is an important consideration for budgeting and planning. While the LED wiring is straightforward, careful attention must be paid to fuse protection and connection to a switched 12V circuit to prevent overload or interference with onboard navigation systems.

In terms of audio quality, the optimized DMA woofers and silk dome tweeters contribute to balanced and detailed sound reproduction, even at high volumes. The elevated tower positioning, combined with this acoustic design, delivers an immersive listening experience for both boat occupants and those outside. This model is suited for users seeking a high-performance, durable audio solution for open-sea scenarios with demanding sound projection requirements.

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JL Audio M3-770ETXv3-Gw-C-Gw Marine Tower Speakers

787,49€

787,49€ ~~899,99€~~

Frequently Asked Questions

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What are the type and size of these JL Audio marine speakers?

These are 2-way coaxial marine tower speakers, measuring 7.7 inches (196 mm) in diameter for the speaker.

What is the color of the M3-770ETXv3-Gw-C-Gw speaker grille?

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

What is the nominal impedance of this speaker system?

The nominal impedance of this speaker system is 4 ohms (4Ω).

What is the continuous RMS power supported by each channel of these speakers?

The continuous RMS power supported by each channel of these speakers is 70 Watts.

How effective is the system of these speakers?

The efficiency of this speaker system is 90.5 dB measured at 1 Watt / 1 meter.

What are the physical dimensions of the speaker enclosure?

Here are the physical dimensions of the enclosure:

Enclosure diameter (A): 7.70 inches (196 mm)
Enclosure depth (B, Classic version): 12.62 inches (321 mm)
Height including mounting bracket receiver (C): 8.74 inches (222 mm)
Offset between mounting bracket receiver and enclosure (D): 1.04 inches (26 mm)

Which mounting accessories are required to install these tower speakers?

Installing these speakers requires the use of specific JL Audio® mounting brackets, which are sold separately. No other installation method should be attempted.

Is it recommended to have these speakers installed by a professional?

Yes, it is strongly recommended to have your speaker systems installed by a JL Audio authorized dealer. The professionals employed by these dealers have the tools and experience required to install this product correctly.

Which items are included in the M3-770ETXv3-Gw-C-Gw speaker box?

The speaker package includes the following items:

Two aluminum logo capsOne tube of silicone adhesiveEight red crimp connectors (for #22-18 AWG wires)Four blue crimp connectors (for #16-14 AWG wires)

How should the integrated LED lighting of the speakers be wired?

LED lighting wiring requires the following connections, to be made at each speaker location:

The red/striped wire is for the speaker positive (+).The black/striped wire is for the speaker negative (–).The red wire is for the RGB LED red negative (–).The green wire is for the RGB LED green negative (–).The blue wire is for the RGB LED blue negative (–).The yellow wire is for the RGB LED main positive (+12V).These connections are required for proper LED lighting operation.

Is it mandatory to use a fuse for LED lighting power supply?

Yes, it is imperative to install an inline fast-blow fuse at the power source end of each yellow wire (+12V) connecting the LED of the speaker. Failure to install a fuse could cause a fire. For the M3-770ETXv3 model, the recommended fuse value is 150 mA.

Which type of electrical system should LED lighting NOT be connected to?

Under no circumstances should the LED lighting of these speakers be connected to 24V electrical systems. The operating voltage range for the LEDs is 10 to 14.4V DC.

Can the LED lighting of the speakers be connected to the boat's navigation lighting circuits?

No, it is strongly discouraged to connect the LED lighting of the speakers to the navigation lighting circuits of your boat.

What wire gauge is recommended for LED connection circuits?

We recommend using a wire with a minimum gauge of 16 AWG for each LED connection circuit of the speakers.

Which type of controller is recommended to manage RGB lighting?

For adjustable control of RGB lighting, the use of an RGB lighting controller (sold separately) is recommended. The JL Audio marine lighting controller (MLC-RW) is specifically suggested. When selecting a controller, ensure its total output capacity exceeds the cumulative amperage requirements of all LED circuits.

Is it possible to wire the LEDs directly to obtain specific colors without a controller?

Yes, it is possible to wire individual wires or a combination of wires to obtain up to seven different LED color combinations. For example, combining the red, green, and blue wires connected to ground will produce white light. All yellow wires (+12V) must be combined together (in parallel) and connected to a switched +12V power supply.

What is the recommended RMS amplifier power per channel for these speakers?

The recommended RMS amplifier power per channel for these speakers is between 20 and 140 Watts.

Is the attempt to remove the LEDs covered by the warranty?

No, the LEDs are permanently fixed inside the speakers. Any attempt to remove them will cause damage not covered by the warranty.

How to install these marine tower speakers?

Installing these marine tower speakers requires the use of specific JL Audio® mounting brackets, which are sold separately. It is imperative to use no other installation method to ensure the product's safety and performance.

We strongly recommend having your speaker systems installed by an authorized JL Audio dealer, as professionals have the necessary tools and experience. If you choose to install the system yourself, please read carefully the instructions provided with the product and those included with your mounting brackets (sold separately) before starting.

How do integrated LED lights work and how can they be controlled?

These speakers are equipped with integrated RGB multicolor LEDs designed to create vibrant accent lighting. The LEDs are permanently fixed and must not be removed.

For adjustable RGB lighting control, you can use an RGB lighting controller (sold separately). JL Audio recommends using the JL Audio MLC-RW marine lighting controller for optimal performance.

Alternatively, you can wire individual wires or a combination of wires directly to achieve up to seven different LED color combinations. Each speaker requires specific wiring connections for LED functionality. A switched +12V power supply is required, and a 150 mA fast inline fuse must be installed at the power end of each yellow (+12V) LED connection wire. The LED voltage range is 10 to 14.4V DC, with a current draw of 108 mA at 12V DC.

It is important not to connect the speaker LEDs to the boat's navigation lighting circuits or to 24V electrical systems.