Garmin Signature Series 3i Coaxial Speakers
Best high-performance marine speakers for boaters seeking premium sound and lighting.
These speakers bring concert-hall clarity to the open water without sacrificing the ruggedness required for a harsh marine environment. While the integrated CRGBW lighting might feel like a flashy extra, the advanced cone technology ensures the audio performance remains the real star of the show.
$599.99
Who it's for
- Boaters needing powerful sound in open-air environments
- Owners seeking long-term reliability in harsh saltwater conditions
- Entertainers wanting customizable lighting for nighttime boat ambiance
Who should skip it
- Owners of smaller boats with limited mounting space
- Budget-conscious buyers looking for entry-level audio solutions
- Users wanting a simple, plug-and-play audio setup
Performance breakdown
Marine Durability
True-Marine engineering ensures these speakers withstand harsh saltwater and sun exposure.
Audio Fidelity
CURV cone technology delivers crisp, high-definition sound even at high volumes.
Visual Customization
Dynamic CRGBW lighting offers endless color combinations to match your vessel.
Installation Ease
Water-resistant connectors simplify wiring and protect against common marine electrical issues.
Power Handling
330 watts of peak power provides robust output for open-air environments.
System Integration
Seamlessly pairs with FUSION head units for a streamlined audio ecosystem.
Key Specs
Peak Power Handling
330 Watts
Nominal Size
8.8 inches
Design
2-Way Coaxial
Waterproof Rating
IP65
Mounting Type
Flush Mount
Woofer Material
CURV® Cone Technology
LED Color Options
CRGBW
Cutout Diameter
223.52 mm
Grille Material
UV Resistant Plastic
Connectivity Type
Wired
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