Fusion 4" Box Speaker 100W

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Great for on your boat or outside your home!

FUSION’s Marine/Outdoor Box Speakers are carefully designed and manufactured specifically for marine/outdoor use.

Featuring an adjustable mounting bracket with all mounting hardware supplied, these speakers are perfect for installation on a alloy vessel where flush mount speakers are not always practical.

The solid construction and powerful sound, combined with competitve pricing make the MS-OS4020 speakers a great value for money option.


  • Adjustable Mounting Bracket - Easily mount anywhere onboard your vessel, with all necessary mounting hardware supplied
  • Extremely Versatile - For use on your vessel or outdoors, perfect for alloy boats where flush mount speakers are not practical
  • Solid Construction - Optimised for outdoor use, offering powerful sound from a small box - Great Value for Money Solution
  • Box Type Sealed
  • Cone Material Polypropylene/NBR Surround
  • Efficiency (1W/1M): 86dB W/M
  • Frequency Response: 80Hz - 20Hz
  • Impedance: 4 Ohm
  • Peak Power: 100 Watts
  • RMS Power: 25 Watts
  • Woofer Size: 4"
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