Fusion's Signature Series 3i subwoofers are built on the huge success of the Signature Series 3 range and see the addition of new, water-resistant connectors which make installation easy, and provide superior protection from the harsh marine environment. There's also a redesigned grille with material enhancements and protective engineering which work to maintain the sharp, aesthetic appeal of the subwoofer. As with the Signature Series 3, the subwoofer is supplied with an industry-leading 3-year warranty. The subwoofer is also available in a stylish sports grey variant.

The Fusion Marine subwoofers feature an elegant sports style grille and are engineered with a large diameter voice coil with high tensile polypropylene cone that produces up to 1400 Watts peak power, ensuring you can truly feel the power of music.

Key Features:

600/1400W peak power produces stunningly defined high power, taking premium low frequency resonance to depths previously uncharted.

Defined, low frequency acoustics are thanks to the excellent self-damping, resolution and bass reproduction from the high quality polypropylene cone.

Fusion Signature Series 3i subwoofers extensively tested to international standards for pressure and water ingress, ensuring they perform in the harsh marine environment. The subwoofers are rated IP65 water-resistant and also designed and built to the highest industry standards for quality and robustness (ISO12216), making them perfect for outdoor or indoor installation.

Large diameter voice coil provides an increase in power and efficiency, resulting in the production of an exclusive signature sound with wave-rippling bass.

Sports-style grille design offers exceptional protection and results in a look that complements any boat.

Technical Specifications:

Physical Dimensions: 10.83 x 6.77" (275 x 172mm).
Weight: 11.2lbs (5.06kg)
Water & Dust Rating: IP65.
Peak Power: 600W.
RMS Power Rating: 300W.
Sensitivity (1 watt @ 1 metre): 86dB.
Magnetic Structure: 68 oz.
Frequency Response: 30 Hz - 2 kHz.
Nominal Impedance: 4 ohm.
Recommended Amplifier Power: 50-600 Watts.
Operating Temperature Range: 0-50 degrees.
Voice Coil Diameter: 2".
Cone Material: Polypropylene cone with rubber surround.
Compass Safe Distance: 205" (520cm).
Subwoofer Connection: Flying lead with water-resistant 2-way connector, 5.9" (150 mm).
Warranty: 3 Years.

Mounting Dimensions:
Mounting Diameter Clearance: 8.78" (223mm).
Mounting Depth Clearance: 5.24" (133mm).

Optimum Enclosure Recommendations:
Sealed Enclosure Volume (fully filled with absorption material): 0.95 cubic ft (27L).
Ported (Vented) Enclosure Volume (lined with absorption material): 1.6 cubic ft (45L).
Port Diameter: 4.1" (104mm).
Port Length: 10.43" (265mm).

Compatible Devices:

Apollo RA670.
Apollo RA770.
Apollo WB670.
Fusion Apollo Marine Amplifiers.
Fusion Apollo MS-WB675 Marine Hideaway Stereo.
Fusion Apollo SRX400.
Fusion BB100 Black Box.
Fusion MS-RA60 Marine Stereo.
Fusion RA210 Marine Stereo.
Fusion RA70 Series Marine Stereos.
Fusion Signature Series Marine Amplifiers.