Fusion Ms-Os420 Marine / Rv Series 4" Boxed Speakers

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Ordinary speakers have it easy – they just have to sound great. Marine speakers, on the other hand, have to sound great AND stand up all to the extremes of life on a boat – water, wind, heat, humidity, dust, pollen, birds, and (depending on where the boat is docked) freezing cold.

Come to think of it, that's pretty much what a set of outdoor speakers have to go through, too. That's why FUSION's MS-OS420 box speakers are a great choice for your boat or your backyard. These rugged, versatile speakers are designed and manufactured with weather in mind, so they can stand up to just about anything, all year long. The sealed box keeps the elements out, while the white finish won't succumb to punishing sunlight.

These box speakers are the ideal choice for an alloy-hulled vessel, where flush mount speakers aren't a great choice for a lot of reasons. The adjustable mounting bracket makes them much easier to install using the included hardware. And, of course, that hardware also comes in handy if you're mounting these speakers on a porch, patio, or dockhouse.


  • Water-resistant sealed enclosure
  • Durable poly cone woofer with rubber surround
  • PEI cone tweeter
  • Adjustable mounting bracket
  • Power handling: 2-25 watts RMS (100 watts peak)
  • Impedance: 4 ohms
  • Frequency response: 80-20,000 Hz
  • Sensitivity: 86 dB
  • Dimensions: 8-5/8"H x 5-5/8"W x 6-1/2"D
  • Warranty: 1 year


Standard Nationwide

Cost: $8.95
All orders 
for items in stock at our Penrose store will be shipped on our standard courier service, and will take 2-5 working days. Items not in stock will leave our store within 1-2 working days.
Wheels & Roof Boxes

Cost: $49.95 
Oversized item shipping for wheels and roof boxes. Expected delivery time of 2-5 working days (add 1-2 days for RD addresses). 

Pick Up at Hyper Drive 

Cost: FREE
Orders can be picked up between trading hours of 8am-5pm Monday to Friday and Saturday 9am-1pm. Pick up from 434b Church Street East, Penrose, Auckland.
* Please wait for confirmation email to advise your order is ready for pickup.


Additional Information
All orders placed before 3pm Mon-Fri will leave same day, unless it stated on the site ships in 24 - 48 hours. This means the item comes from a 3rd party warehouse, and will be despatched in 2 businesses days time.

Outside of business hours during public holidays and weekends nothing will be shipped, as courier companies do not operate.

All orders paid by bank deposit will be processed and shipped the day funds clear in our bank accounts. This usually takes up to two working days.

Pick ups welcome between business hours (Mon-Fri 8am-5pm and Sat 9am-1pm). Payments are welcome to be made in store. 

Please email us if you require your tracking number. 
Email: drive@hyper.co.nz



Post Haste & Courier Post for the majority of our shipping. You can track your order at the following sites.

Post Haste 

Courier Post

Mainfreight is used for shipping of large items, eg: surfboards and roof boxes.


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