About the Fusion Signature Series 3i Marine Coaxial Speakers

Product highlights:
- pair of 7.7" 2-way marine speakers (SG-F773W)
- includes 2-wire Deutsch connector for audio
- specially formed CURV woven fiber cone
- treated silk dome tweeter
- UV-resistant grilles
- sealed, water-resistant construction
- complies with ISO 12216 and IP65 standards for water and weather resistance
Specs:
- handles up to 100 watts RMS (280 watts peak power)
- frequency response: 60-22,000 Hz
- sensitivity: 91 dB
- impedance: 4 ohms
- cutout diameter: 6.14"
- frame diameter: 7.73"
- mounting depth: 3.25"
- warranty: 3 years
- MFR # 010-02772-00
- Item # 9170277200
- California customers: Please click here for your Proposition 65 WARNING.
What's in the box:
Fusion Signature Series 3i Marine Coaxial Speakers owner's manual
If you need assistance accessing this owner's manual, please give us a call.- Two 7.7" 2-way marine speakers (white) with attached 7" speaker input harness
- Two white Classic mesh speaker grilles
- Two 6" speaker harnesses
- Twelve 1-1/2" screws
- Installation instructions (En/ Sp/ Fr/ Others)
- Safety information
- Cutout template
More details on the Fusion Signature Series 3i Marine Coaxial Speakers

Features & specs
General | ||
---|---|---|
Speaker Size | 7.7 | |
Design | 2-way | |
Tweeter Design | Dome | |
Tweeter Composition | Silk | |
Woofer Composition | Woven Fiber Composite | |
Woofer Surround | Rubber | |
Parts Warranty | 3 Years | |
Labor Warranty | 3 Years | |
Specifications | ||
Sensitivity |
91 dB at 1 watt | |
Frequency Response | 60 - 22k Hz | |
Max RMS Power Handling | 100 | |
Peak Power Handling (Watts) | 280 | |
Impedance (Ohms) | 4 | |
Top-mount Depth (Inches) | 3 1/4 | |
Bottom-mount Depth (Inches) | N/A | |
Cutout Diameter or Length (inches) | 6 3/16 | |
Bolt Circle | 6.927 |
Product Research
Features
True Marine: Fusion describes these speakers as True Marine Accredited, meaning they are designed specifically for the marine environment and backed by Fusion's three year warranty. The speakers are tested to ensure they meet or surpass IP65 standards (waterproof and dustproof on the front of the speakers) and comply with ISO12216 standards for watertightness in areas II, III and IV of the vessel.
Curv Woofer Cone: CURV technology incorporates a woven fiber composite, heat pressed to form a lighter and stronger cone. This improves sound definition and increases output, along with creating better resistance to the marine environment.
Sealed Crossover: The crossover is sealed to provide full protection from the harsh marine environment.
Grilles: The two "Classic" mesh grilles can be removed by simply twisting and lifting them off, providing access to the mounting screw holes.
Compass Safe Distance: The minimum distance the speakers should be mounted from a compass to avoid any interference is listed in the manual as just under 12 feet.
Speaker Terminals: Each speaker has a seven inch length of speaker wire attached that mates with the included six inch harness using 2-way DT Series Deutsch Connectors.
Stainless Steel Hardware: The provided mounting screws are stainless steel.
Enclosure: Enclosure recommendations are given in the installation manual (an enclosure is not necessary, the speakers will operate in free-air):
- Sealed: 0.71 ft³
- Ported: 1.06 ft³ (with a 3" diameter 6.3" long port tube)
The Fusion Signature Series 3i Marine Coaxial Speakers replaces these items:
- specially formed CURV woven fiber cone
- treated silk dome tweeter
- handles up to 100 watts RMS (280 watts peak power)
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