As of 06/04/2021


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Fusion 4" Marine External Box Speakers - OS420

Fusion 4" Marine External Box Speakers - OS420

Fusion 4" Marine External Box Speakers - OS420


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-OS420 speakers a great value for money option


  • Polypropylene/NBR Surround Cone
  • 4" Woofer with PEI Cone Tweeter
  • Frequency Response: 80Hz - 20Hz
  • Peak Power: 100 Watts
  • 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

In the Box

  • 2 x Speakers
  • 2 x Connection Wire
  • Mounting Hardwear
  • 2 x Mounting Brackets
  • 4 x Mounting Knobs
  • Manual

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  • Brand: Fusion
  • Product Code: Fusion 4" Marine External Box Speakers
  • Availability: In Stock
  • RRP Inc VAT: £99.00

  • Our Price: £85.00
  • Ex VAT: £70.83