Haut-parleurs marins encastrables M3-650X-S-Gm - visuel officiel 1

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JL Audio

010-03061-00

JL Audio M3-650X-S-Gm flush-mount marine speakers

The JL Audio M3-650X-S-Gm flush-mount marine speakers are 2-way coaxial models with 6.5-inch (165 mm) drivers, designed for marine environments. With an RMS power rating of 60 W per speaker and a 4-ohm impedance, they deliver a frequency response from 55 to 25,000 Hz. Their design includes materials resistant to UV rays and salt spray, along with a sporty anthracite grey grille. The product is supplied as a pair of speakers with grilles.

Retail priceBenefit from the professional rate

244,14€

244,14€ ~~274,99€~~

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Prices shown excluding VAT for Türkiye. If your delivery address is in the European Union, the VAT of the destination country will be added at checkout.

Available in stock

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

Custom installation

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Request a quote

Installers near you

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Support service

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Technical specifications

Speaker Diameter In	6.5
Rgb Color Select	No
Mounting Diameter	158.75 mm
IP rating	Marine-grade quality
Color	Gray
Source type	Marine speaker
Grille Color	Anthracite gray
Mounting type	Flush-mounted
Net weight	2.82
Pilot Hole Diameter Thick Fiberglass	3.18 mm (1/8")
Pilot Hole Diameter Thin Fiberglass	2.78 mm (7/64")
Speaker Type	2 ways

Detailed description

The JL Audio M3-650X-S-Gm flush-mount coaxial marine speakers are designed for high-performance audio in marine environments. These 6.5-inch (165 mm) 2-way speakers feature a sporty anthracite gray grille.

Acoustic design and performance

These coaxial speakers integrate a 6.5-inch woofer with a polypropylene cone, injection-molded with mica fill and UV inhibitors, paired with a synthetic rubber surround. The 0.75-inch (19 mm) tweeter is a pure silk dome, specifically treated for marine environments and using neodymium magnets for high efficiency. The long-throw design, optimized by JL Audio’s DMA (Dynamic Motor Analysis) technology, enhances power output, bass extension, and power handling. The system is optimized for "infinite-baffle" operation, requiring a minimum air volume of 57 liters (2 cubic feet) for optimal low-frequency performance. A 2nd-order passive crossover for the tweeter includes a polyswitch semiconductor protection circuit.

Technical specifications

Speaker type: 6.5-inch (165 mm) 2-way marine coaxial
Continuous power handling (RMS): 60 W per speaker (120 W per pair)
Peak music power handling: 225 W
Recommended amplifier power (RMS): 20 to 125 W per channel (75–100 W per channel for optimal performance)
Impedance: 4 ohms
Frequency response: 55 – 25,000 Hz (55 Hz – 25 kHz ± 3 dB)
Sensitivity: 89.5 dB @ 1 W / 1 m
Outside frame diameter: 175 mm (6.90 inches)
Cutout diameter: 127 – 133 mm (4.972 – 5.25 inches)
Mounting depth: 69.5 – 72 mm (2.74 – 2.825 inches)
Front grille protrusion: 25 mm (0.973 inch)
Bolt circle diameter: 155.5 mm (6.125 inches)

Marine durability and installation

These speakers exceed industry standards for salt fog and UV resistance. They feature UV- and corrosion-resistant polymer baskets and grilles, a saltwater-resistant polymer basket, and integrated marine-grade stainless steel grilles. The woofer cones include UV inhibitors and the spiders are made of marine-grade synthetic fiber. The design allows flexible "free-air" (infinite-baffle) installation without requiring dedicated enclosures. Optional RGB LED lighting is available, requiring a separate 12 V wiring harness per speaker and an RGB controller (sold separately). A 150 mA fuse on the LED positive wire is required for M3-650 and M3-770 models.

Documentation

Type	Nom
	Gabarit de montage - Gabarit d'installation pour haut-parleurs marins JL Audio M3-650X (MUL)
	Notice d'installation - Instructions d'installation pour haut-parleurs marins JL Audio M3-650X (MUL)

Expert opinion

« Marine audio integration and performance JL Audio M3-650X-S-Gm »

The JL Audio M3-650X-S-Gm speakers are a reliable audio solution for vessels requiring high-quality sound systems without compromising durability. Their "infinite-baffle" design greatly simplifies integration, as it does not require the construction of a dedicated enclosure—a significant advantage for installation in the often cramped spaces aboard boats. This feature makes them particularly suitable for mid-sized sailboats and powerboats where space for specific enclosures is limited, allowing discreet installation in bulkheads or panels. The robustness of their marine-grade construction, with materials resistant to UV, salt, and corrosion, ensures longevity in the most demanding marine environments. The RGB LED lighting option, while requiring additional wiring and a separate controller, offers aesthetic customization that can complement the onboard lighting ambiance. It is critical to adhere to the recommended amplifier power (75-100 W RMS per channel) to fully utilize their potential and sound clarity, especially in noisy marine environments. The inclusion of a passive filter with polyswitch protection for the tweeter ensures added safety, minimizing failure risks in case of overload.

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JL Audio M3-650X-S-Gm flush-mount marine speakers

244,14€

244,14€ ~~274,99€~~

Frequently Asked Questions

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What is the size of these JL Audio marine speakers?

These JL Audio M3-650X-S-Gm marine speakers are flush-mount models with a 6.5-inch (approximately 165 mm) diameter.

Are they waterproof and suitable for marine environments?

Yes, this product is designed to be water-resistant and suitable for marine environments. However, it should not be submerged or exposed to high-pressure water jets.

What is the audio power output of these speakers?

These JL Audio M3-650X-S-Gm marine speakers have an RMS power of 60 Watts and a maximum power of 225 Watts.

What is the impedance of these speakers?

The nominal impedance of these marine speakers is 4 ohms.

Do these speakers have built-in LED lighting?

Yes, these speakers are equipped with integrated RGB LED lighting. This feature is optional and requires a separate 12V wiring for each speaker.

How many fixed LED lighting colors can be obtained without an additional controller?

You can get up to seven fixed LED lighting colors by individually wiring the dedicated LED wires. For adjustable color control, an RGB controller is required and sold separately.

Is it necessary to purchase a separate RGB controller for LED lighting?

Yes, for adjustable and custom control of LED lighting, an RGB controller is required and must be purchased separately. Without a controller, you can achieve up to seven fixed colors by wiring the wires individually.

What type of grille is included with the speakers?

These speakers are supplied with a sport grille in anthracite gray color.

What is the frequency response of these marine speakers?

These speakers provide a frequency response ranging from 55 Hz to 25 kHz, enabling balanced sound reproduction.

What is the sensitivity level of these speakers?

The sensitivity of these speakers is 89.5 dB at 1W/1m, indicating their efficiency in converting power to sound.

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

Yes, professional installation is strongly recommended. Installation requires appropriate tools and safety equipment to ensure correct and secure mounting.

What precautions should I take before starting the installation?

Before any installation, it is crucial to turn off the audio system and disconnect the battery. Additionally, before cutting or drilling, always check that there are no potential obstacles behind the mounting surfaces to avoid any damage.

In which areas of the boat should I not install these speakers?

Do not install this product in an engine compartment or any other area exposed to extreme heat, as this could damage the product.

What is the minimum mounting depth required for these speakers?

The minimum mounting depth required for these speakers is 2.75 inches (approximately 70 mm).

What are the recommended drill diameters for mounting screws in fiberglass?

For #8 screws, the recommended drilling sizes are:

For fiberglass 0.125 in (3.175 mm) thick or less: 7/64 in (2.78 mm). For fiberglass thicker than 0.125 in: 1/8 in (3.175 mm).

What type of fuse is required to protect LED lighting?

You must install a 150 mA inline fast fuse 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.

How should I clean and maintain my marine speakers?

To clean your speakers, use only mild soap and rinse them with fresh water. Avoid harsh chemicals or high-pressure water jets.

Are the speakers supplied with wiring for the LEDs?

The speakers are equipped with individual wires for LED lighting, allowing a separate 12V wiring at each speaker location. However, the RGB controller for adjustable settings is sold separately.

Can these speakers be used with any marine audio system?

These speakers are designed to work with marine audio systems compatible with a 4-ohm impedance and capable of delivering the recommended 60 Watts RMS per channel. It is essential to ensure your amplifier or main unit can handle this load and power.