JL Audio JLA-010-03066-00 M3 7.7" Marine Speakers - Grey Sport Grille

JL Audio JLA-010-03066-00 M3 7.7" Marine Speakers - Grey Sport Grille

Premium large-format marine audio engineered for Australian conditions — extended bass performance meets modern sport styling.

Product Overview

The JL Audio M3 7.7" marine speakers with grey sport grille deliver professional-grade sound quality with enhanced low-frequency extension in a contemporary design built for harsh saltwater environments. Engineered with injection-moulded mica-filled polypropylene cones and 19mm silk dome tweeters, these larger coaxial speakers handle 70W RMS continuous power with 90.5 dB sensitivity across an impressive 45 Hz-25 kHz frequency range. The grey sport grille provides UV-resistant protection with a tactical aesthetic and includes JL Audio logo badges, while stainless steel mounting hardware ensures long-term reliability in Australian coastal conditions. Ideal for larger boats, centre consoles, and tower installations where increased bass output and contemporary styling are priorities.

Features & Benefits

Corrosion-Resistant Marine Construction: Mica-filled polypropylene cones and stainless steel hardware withstand constant saltwater exposure, UV radiation, and temperature extremes common in Australian coastal waters, offshore fishing grounds, and extended blue-water cruising.

Extended Bass Response: 45 Hz low-frequency extension delivers deeper bass output compared to smaller 6.5" models, providing more impactful sound reproduction for larger vessels, open cockpit areas, or high-ambient-noise environments without requiring subwoofer supplementation.

Increased Power Handling: 70W RMS continuous rating with 90.5 dB sensitivity enables higher output levels suitable for larger boats, commercial applications, or environments requiring elevated volume levels to overcome engine and wind noise.

Grey Sport Grille Design: Modern grey sport grille with 28mm protrusion provides UV-resistant protection while maintaining a tactical, contemporary aesthetic perfect for performance vessels, centre consoles, or modern boat styling. Includes JL Audio logo badges for branded appearance.

Universal Large-Format Mounting: 159mm mounting hole diameter accommodates standard large-format marine speaker cutouts in fibreglass consoles, hardtops, and tower enclosures, providing straightforward installation in vessels designed for 7.7"-8" speakers.

Silk Dome Tweeter Design: 19mm soft dome provides smooth high-frequency extension without the harshness common in metal tweeters, reducing listening fatigue during long fishing runs, multi-day coastal cruising, or extended offshore passages.

Technical Specs

Compatible With / Goes Well With

• Fusion Apollo MS-RA800 marine stereo
• JL Audio MediaMaster 55 stereo
• JL Audio AP amplifiers with Bluetooth technology
• JL Audio MHD marine amplifiers
• JL Audio MVi marine amplifiers
• JL Audio MX marine and powersports amplifiers
• JL Audio XDM car and marine amplifiers
• JL Audio M3 marine subwoofers
• Boats with 159mm (6.25") large-format speaker cutouts
• Fibreglass hardtops, consoles, and tower enclosures
• Wakeboard towers and T-top installations
• Centre console fishing boats (7.5m+)
• Large offshore vessels
• Performance watercraft
• Commercial fishing vessels
• Aluminium marine craft with sealed speaker housings

Caution: Verify mounting depth clearance (81mm minimum) and mounting hole diameter (159mm) before installation. This model requires larger cutouts than standard 6.5" speakers. This sport model does not feature RGB LED lighting.

Frequently Asked Questions

Will these 7.7" speakers fit my existing 6.5" speaker cutouts?

No, these 7.7" speakers require 159mm mounting holes compared to 127-133mm for 6.5" models. You'll need larger cutouts or vessels originally equipped for 7.7"-8" speakers.

How much amplifier power do I need to drive these speakers?

JL Audio recommends 20-140W RMS per channel with the 70W RMS rating providing optimal performance around 50-100W from a quality marine amplifier.

What's the advantage of 7.7" speakers over 6.5" models?

The larger 7.7" woofer delivers extended bass response down to 45 Hz (vs 55 Hz) and handles 70W RMS (vs 60W), providing more impactful sound for larger vessels or open-air installations.

What mounting depth clearance is required behind the speaker?

You'll need 81mm clearance behind the mounting surface, with the speaker requiring 108mm total depth including the 28mm frontal grille protrusion—10mm more than 6.5" sport models.

Can these speakers handle full saltwater immersion?

While marine-grade and corrosion-resistant, these speakers are designed for splash-resistant mounting locations, not continuous submersion—install in cockpit areas protected from direct water pooling.