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JL Audio M3-770X-S-Gm

7.7" marine speakers (Gunmetal with "Sport" grilles)

Item # 13693520

Having toured JL Audio myself, I can tell you these guys take two things very seriously — great sound and...

Having toured JL Audio myself, I can tell you these guys take two things very seriously — great sound and...

Item # 13693520

In stock
$319.99 pair

Other options

About the JL Audio M3-770X-S-Gm

Cool, big marine sound

Having toured JL Audio myself, I can tell you these guys take two things very seriously — great sound and life on the water. These oversized M3-770X-S-Gw 7.7" marine speakers make both possible, thanks to excellent design and the most durable materials.

JL Audio Built In USA

Cool, big marine sound

Having toured JL Audio myself, I can tell you these guys take two things very seriously — great sound and life on the water. These oversized M3-770X-S-Gw 7.7" marine speakers make both possible, thanks to excellent design and the most durable materials.

Tough enough

Supplied with plenty of power, these speakers can overcome that wicked combination of wind, water, and engine noise. The weatherproof mica-filled polypropylene cone is suspended in a durable synthetic rubber surround for long excursion and impactful sound. The UV-resistant polymer basket surrounds and protects the entire structure.

The 3/4" treated silk dome tweeters deliver brilliant highs, and they're mounted directly to the sport-style grilles for optimal sound radiation. Even in the roughest waters, you'll be able to enjoy the fine detail of your favorite tunes.

Ideal for free-air mounting

You can mount these sharp-looking 7.7" speakers in your boat's cockpit or bulkhead walls, either as stand-alones or in conjunction with a subwoofer. For optimal performance, each speaker will need at least 2 cubic feet of airspace.

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Product highlights:

  • 7.7" 2-way marine speakers
  • injection-molded, mica-filled polypropylene woofer with synthetic rubber surround
  • 3/4" silk dome tweeter
  • 2-way crossover attached to the woofer basket
  • UV- and corrosion-resistant polymer baskets and white "Sport" grilles
  • designed for free-air applications (no enclosures needed)
    • for best performance, speaker needs at least 2 cubic feet of airspace
  • power handling: 70 watts RMS (225 watts peak power)
  • frequency response: 45-25,000 Hz
  • sensitivity: 90.5 dB
  • cutout diameter: 6.2
  • frame diameter: 7.7
  • mounting depth: 3.246
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 93520

What's in the box:

  • Two 2-way Marine speakers with grilles attached
  • Twelve 1-1/8" Philips-head stainless-steel screws
  • 12 Stainless-steel flat washers
  • Owner's manual
  • Template

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More details on the JL Audio M3-770X-S-Gm

Features & specs

General
Speaker Size 7.7
Design 2-way
Tweeter Design 3/4" Dome
Tweeter Composition Silk
Woofer Composition Mica-filled IMPP
Woofer Surround Synthetic Rubber
Parts Warranty 2 Years
Labor Warranty 2 Years
Specifications
Sensitivity 90.5 dB at 1 watt
Frequency Response 45 - 25k Hz
Max RMS Power Handling 70
Peak Power Handling (Watts) 225
Impedance (Ohms) 4
Top-mount Depth (Inches) 3 1/4
Bottom-mount Depth (Inches) N/A
Cutout Diameter or Length (inches) 6 1/4
The JL Audio M3-770X-S-Gm replaces these items:

Product Research

Features

Marine Tested: JL Audio's marine speakers are tested in ultraviolet chambers to simulate years of sun exposure, and salt fog chambers to simulate years of exposure to salt-water environments.

Woofers: The woofer cones are injection-molded, mica-filled polypropylene with UV inhibitors, synthetic rubber surrounds, and marine-grade synthetic fiber spiders.

DMA (Dynamic Motor Analysis): DMA is JL Audio's proprietary method of improving dynamic motor behavior. The DMA-optimized long-excursion design enhances output, bass extension and power handling of the speaker.

Tweeters: Each speaker features a grille mounted ¾" treated silk dome tweeter with a specially formulated treatment to withstand the marine environment. The tweeters use neodymium magnets for higher efficiency levels and are Ferrofluid-cooled and damped for improved response and power handling capabilities.

Crossover: The woofers use a natural roll-off and the tweeter crossovers are 12 dB/octave. The crossover also features a polyswitch solid-state tweeter protection circuit.

Polymer Basket And Grille: The baskets and grilles are UV-resistant polymer. The baskets encapsulate the woofers' motor systems to prevent corrosion.

Infinite-Baffle Operation: The speakers are optimized for infinite-baffle operation so they can be installed in a variety of locations, without the need for a dedicated enclosure.

Power Handling: JL Audio recommends two RMS power figures for this model; 70 watts RMS continuous power handling and 20-140 recommended amplifier power. We've listed the more conservative 70 watts RMS in the specs table.

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