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JL Audio

010-03270-00

JL Audio M3-770ETXv3-Gw-S-Gw-i Marine Tower Speakers

Designed for demanding marine environments, the JL Audio M3-770ETXv3-Gw-S-Gw-i 7.7-inch coaxial tower speakers deliver 70 W RMS power. Their marine-grade construction and integrated RGB LEDs provide sound and ambient lighting suitable for boats.

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

Retail priceBenefit from the professional rate

831,24€

831,24€ ~~949,99€~~

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

Find an installer

Support service

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Technical specifications

Speaker Diameter In	7.7
Audio Output Power Rms	70
Peak Power W	140
Impedance	4
Audio Frequency Response	45 Hz - 25 kHz
Audio Sensitivity Db	90.5
Speaker Tweeter Type	Silk dome
Led Lighting	Oui
Rgb Color Select	Yes
Mounting Diameter	196
Mounting Depth	323
IP rating	Marine grade
Color	White
Source type	Marine speaker
Compatible Lighting Controller	JL Audio MLC-RW
Product dimensions	196 x 323 x 222 mm
Enclosure Depth Classic	321
Enclosure Type	Mainsheet
Frequency Response Tolerance	3
Fuse Requirement Led	Inline fast fuse
Grille Color	White
Height With Mounting Fixture	222
Led Color Options	Red, Green, Blue, Yellow, Pink, Aqua, White
Led Power Voltage	12
Lighting Color Type	RGB
Material	Marine-grade plastic
Mounting Fixture Offset	26
Mounting Fixture Required	Yes
Mounting type	Round
Number Of Ways	2
Operating voltage	12
Recommended Amplifier Power Rms	20 - 140
Speaker Component Type	Woofer and tweeter
Speaker Type	Coaxial
Speaker Wire Gauge Led	20
Speaker Wire Gauge Speaker	16
Weight	9.00

Detailed description

Specifically designed for demanding marine environments, the JL Audio M3-770ETXv3-Gw-S-Gw-i 7.7-inch coaxial marine tower speakers are 2-way systems integrated into injection-molded enclosures. These speakers are optimized for tower applications, delivering clear and powerful sound audible beyond the vessel.

Design and audio performance

The M3-770ETXv3-Gw-S-Gw-i system features a nominal impedance of 4 Ω. It delivers continuous RMS power handling of 70 W, with a peak musical power of 225 W. The frequency response is 45 Hz to 25 kHz ± 3 dB, with an efficiency of 90.5 dB at 1 W / 1 m. The speakers include 7.7-inch (196 mm) woofers with injection-molded polypropylene cones filled with mica, and 3/4-inch (19 mm) silk dome tweeters for high frequencies. The motor is optimized by JL Audio’s Dynamic Motor Analysis (DMA) system for reduced distortion and precise transient response. Passive 2-way crossovers are included.

Marine-grade durability and integrated lighting

The M3-770ETXv3-Gw-S-Gw-i is built to marine-grade standards, designed to withstand saltwater environments. Materials have undergone rigorous testing, including UV chambers and salt spray tests, ensuring reliability and longevity. UV- and corrosion-resistant polymer baskets and grilles are used. The enclosure is gloss white with a gloss white sport grille. It features integrated RGB LED lighting producing a light effect on the woofer cone. Colors can be selected via direct wiring or an optional RGB controller (sold separately), such as the JL Audio MLC-RW or RFRGBMC. The enclosure has a diameter of 196 mm (7.70 in) and a depth of 323 mm (12.69 in). Height including the mounting bracket is 222 mm (8.74 in). A 26 mm (1.04 in) offset is present between the mounting bracket and the enclosure. Decorative aluminum logo caps are also included.

Installation and connectivity

Installation of these speakers requires JL Audio mounting brackets (sold separately), available for various tube diameters. Speaker and LED wiring exits through the center of the bracket. Connections are made via gold-plated marine-grade brass terminals, and mounting hardware is marine-grade stainless steel. Dedicated wiring is required for the LED functionality, including the installation of an inline fuse at the end of the LED power connection (+12V) for each speaker.

Documentation

Type	Nom
	Notice d'installation - Instructions d'installation haut-parleurs de tour marins M3/M6-ETXv3

Expert opinion

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

The JL Audio M3-770ETXv3-Gw-S-Gw-i marine tower speakers are specifically designed to project clear and powerful sound beyond the vessel, a key feature for watersports or busy anchorages. Their 7.7-inch coaxial architecture, combined with 70 W RMS power handling, ensures sound presence suitable for most pleasure boats. The integration of RGB LEDs provides customizable aesthetic appeal, allowing lighting to be synchronized with the onboard ambiance via an external controller (JL Audio MLC-RW or RFRGBMC).

Installation requires careful planning. Beyond mechanical mounting on the towers, which requires JL Audio-specific mounts (sold separately), wiring must handle both audio and LED power. It is critical to include an inline fuse for the +12V LED connection and ensure the LED power supply is not connected to navigation circuits to avoid interference or regulatory non-compliance. The marine-grade design, validated by UV chamber and salt fog testing, ensures durability against harsh marine environments—a crucial factor for long-term investment protection.

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JL Audio M3-770ETXv3-Gw-S-Gw-i Marine Tower Speakers

831,24€

831,24€ ~~949,99€~~

Frequently Asked Questions

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What type of speakers are the JL Audio M3-770ETXv3-Gw-S-Gw-i?

These are 2-way coaxial marine tower speakers. They are designed specifically for harsh marine environments and are integrated into molded enclosures with a white Sport-style grille.

What are the physical dimensions of the M3-770ETXv3 speaker enclosure?

Physical dimensions are as follows:

Enclosure diameter: 196 mm (7.70 in)Enclosure depth (Sport version): 323 mm (12.69 in)Height including mounting bracket: 222 mm (8.74 in)Offset between mounting bracket and enclosure: 26 mm (1.04 in)

What is the nominal impedance of these marine speakers?

The nominal impedance of the M3-770ETXv3 speaker system is 4 ohms (4Ω).

What is the frequency response of the JL Audio M3-770ETXv3 speakers?

The system’s frequency response is 45 Hz to 25 kHz, with a ± 3 dB tolerance.

What is the continuous RMS power these speakers can handle?

The continuous RMS power per channel supported by the M3-770ETXv3 model is 70 Watts.

Are these speakers equipped with LED lighting?

Yes, these models are equipped with integrated multicolor RGB LED lights designed to provide vibrant accent lighting.

Can I remove the LEDs from the speakers if I do not wish to use them?

No, the LEDs are permanently fixed to the speakers. Attempting to remove them may damage the product.

What is the efficiency of these speakers' system?

The system efficiency for the M3-770ETXv3 speakers is 90.5 dB at 1 Watt / 1 meter.

How should the M3-770ETXv3 marine tower speakers be installed?

Installation of this product requires the use of JL Audio® mounting hardware (sold separately). It is essential to follow the installation instructions provided with this hardware precisely.

Is it recommended to have these speakers professionally installed?

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

How to connect LED lighting to the speakers?

Wiring connections are required at each speaker location for the LED functionality. The LED wiring harness includes a yellow wire for the positive (+12V) and red, green, and blue wires for the negative (–) of the corresponding RGB colors. You can use an RGB lighting controller (sold separately) or wire the wires directly to achieve different colors.

What are the electrical requirements for LED lighting?

LED lighting requires a supply voltage of 10 to 14.4V DC. It is essential to install a fast-blow inline fuse at the end of the yellow LED power connection (+12V) for each speaker.

Which type of fuse is recommended for powering LEDs?

A fast inline fuse is recommended for the yellow (+12V) LED power connection of each speaker. The recommended fuse rating for the M3-770ETXv3 model is 150 mA.

What wire gauge is recommended for LED connection circuits?

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

Can I connect the LED lights of the speakers to the boat's navigation lighting circuits?

No, it is not recommended to connect LED lights for speakers to the boat's navigation lighting circuits.

What is the current draw of 12V DC LED lights?

The current consumption of the 12V DC LED for the M3-770ETXv3 model is 108 mA.

How can I control the RGB lighting on the speakers?

Adjustable RGB lighting control can be achieved using an RGB lighting controller (sold separately). The JL Audio MLC-RW marine RGB lighting controller is recommended. It is also possible to wire individual wires or a combination of wires to achieve up to seven different LED color combinations.

What amplifier power output is recommended for these speakers?

The recommended RMS amplifier power per channel for M3-770ETXv3 speakers is 20 to 140 Watts.

Can the speakers be connected to 24V electrical systems?

No, speakers must not be connected to 24V electrical systems. The LED voltage range is 10 to 14.4V DC.

How do the built-in LED lights on the JL Audio M3-770ETXv3 marine tower speakers work, and how are they controlled?

These speakers are fitted with built-in multicolor RGB LEDs designed to provide vibrant ambient lighting. The LEDs are permanently attached and must not be removed.

LED power supply: A yellow wire is dedicated to the positive power supply (+12V) for the LEDs. It is essential to install an inline fast-blow fuse at the source end of this wire. For the M3-770ETXv3 model, the LED current draw is 108 mA at 12V DC, and the recommended fuse rating is 150 mA. The LED voltage range is 10 to 14.4V DC.

LED negative connections: The red, green, and blue wires are used for the negative connections of the RGB LEDs.

Recommended wiring: We recommend using wire with a minimum gauge of 16 AWG for LED connection circuits. Do not connect the LEDs to 24V electrical systems or to the boat’s navigation lighting circuits.

Color control: There are two main methods for controlling LED colors:

With an RGB lighting controller (sold separately): For adjustable control and extended color options, using an RGB lighting controller is recommended (e.g., the JL Audio MLC-RW marine lighting controller). Ensure the total amperage demand of all LED circuits does not exceed the controller’s output capacity.

Direct wiring: You can wire individual wires or combinations to achieve up to seven fixed LED color combinations (Red, Green, Blue, Yellow (Red and Green), Pink (Red and Blue), Aqua (Green and Blue), White (Red, Green, and Blue)). To do this, combine the negative wires of the desired colors and connect them to the negative ground or the battery’s negative terminal. All yellow wires (+12V) must be connected together (in parallel) to a switched +12V power supply.