Fusion Signature Series 3i 6.5" Marine Speakers
Best premium audio for discerning marine enthusiasts.
Experience premium audio on the water with the Fusion Signature Series 3i 6.5" marine speakers. These speakers deliver exceptional sound quality with 75 watts RMS power handling and silk dome tweeters designed for the marine environment. Featuring an industry-first CRGBW LED lighting system, they offer a wide spectrum of colors, including warm and cool whites, to create the perfect ambiance. Built to withstand harsh conditions, these speakers provide a superior listening experience, rivaling high-end competitors while offering advanced lighting technology and Fusion's renowned audio engineering.
$549.99
Owner Satisfaction
4.5
/ 5
Category Rank
171
/ 561
#171 in Marine Speakers
Price vs Category Average
+81%
Above average
Nominal Impedance
4
/ Ohms
Who it's for
- Boat owners seeking long-lasting audio performance in challenging marine conditions.
- Audiophiles desiring high-fidelity sound reproduction while out on the water.
- Boaters wanting to personalize their vessel's look with dynamic, colorful illumination.
Who should skip it
- Budget-conscious consumers looking for basic audio solutions for their vessel.
- DIY enthusiasts without prior marine audio installation experience.
- Users with non-Fusion audio setups or those prioritizing universal compatibility.
Performance breakdown
Audio Fidelity
Silk dome tweeters deliver crisp, detailed highs even at high volumes.
Marine Durability
Rugged construction ensures long-term reliability against salt, spray, and UV exposure.
Lighting Versatility
Industry-first CRGBW system offers unmatched color customization for any onboard mood.
Power Efficiency
High sensitivity rating ensures impressive output without needing massive external amplification.
Installation Compatibility
Standard mounting dimensions simplify upgrades for most existing marine speaker cutouts.
Acoustic Precision
Curv cone material provides excellent rigidity for distortion-free mid-range performance.
Key Specs
Nominal Impedance
4 Ohms
RMS Power Handling
75 Watts
Peak Power Handling
230 Watts
Frequency Response
70 Hz - 22 kHz
Efficiency
90dB @ 1W/1M
Tweeter Material
Silk Dome
Cone Material
Curv
Mounting Depth
3.125" (79mm)
Features
- CRGBW LED Lighting System
- High Power Handling
- Silk Dome Tweeters
- Curv Cone Material
- Marine Grade Construction
- Sport Style Grilles
What customers say
Customers consistently praise these marine speakers for their exceptional sound quality, delivering crisp highs and robust lows even in challenging open water environments. Many highlight the impressive clarity and volume, making them a standout choice for marine audio enthusiasts. Furthermore, their robust construction and resistance to harsh marine elements like salt and UV are frequently commended, ensuring long lasting performance and reliability. Users appreciate the premium feel and the confidence that comes with a product built to endure.
Know before you buy
Unlike standard RGB speakers, the CRGBW system includes dedicated cool and warm white LEDs. This allows for a much broader spectrum of colors and more natural-looking white tones to match your boat's aesthetic.
Yes, to access the full range of CRGBW colors and lighting effects, you will need a compatible Fusion CRGBW lighting controller. Without a controller, you are limited to the basic wiring configurations.
You will need a mounting hole diameter of 5.375 inches and a mounting depth of at least 3.125 inches. Ensure you have adequate space behind your mounting surface to accommodate the magnet assembly and wiring.
Yes, these speakers are built with marine-grade construction specifically designed to withstand harsh conditions, including salt spray, UV exposure, and moisture.
The silk dome tweeters provide a smooth, detailed high-frequency response that avoids the harshness often found in metallic marine tweeters. They are designed to deliver clear, balanced audio even when competing with wind and engine noise.
With 75 watts RMS power handling, these speakers can be driven by most high-quality marine head units. However, adding an external amplifier will provide more headroom and better clarity, especially at higher volumes.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$550