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The Ultimate Poly-planar Ma-4054 4" 80 Watt Speakers - Black [ma4054b] (new) [XQzEG82v]

$20.99 $67.99 -69%

MA-4054 4" 80 Watt Speakers - BlackMA-4054 is a 4" cone size two-way coaxial speaker.  This speaker featured a rugged waterproof design, Teflon coated wires, plastic grills, polypropylene cones, mylar tweeters and plastic frames, to provide years of

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The Ultimate Poly-planar Ma-4054 4" 80 Watt Speakers - Black [ma4054b] (new) [XQzEG82v]

MA-4054 4" 80 Watt Speakers - Black

MA-4054 is a 4" cone size two-way coaxial speaker.  This speaker featured a rugged waterproof design, Teflon coated wires, plastic grills, polypropylene cones, mylar tweeters and plastic frames, to provide years of trouble-free service. 

Ultra-low magnetic field speakers eliminates the problem of speakers magnets affecting navigation equipment such as compasses and autopilots. 

Features:

  • Ultra-low magnetic field speaker
  • Ideal replacement speakers for boaters who want to upgrade to waterproof speakers without changing the cutout size
  • Integral grills allow for simple, one-piece installation
  • Stainless steel mounting hardware included

Specifications:

  • Type - 2-way Coaxial
  • Cone Size - 4" (102mm)
  • Speaker Impedance - 4 ohms
  • Peak Power - 80 watts 
  • Continuous Power - 40 watts 
  • Weight: 1.2 lbs per speaker
  • Outside Diameter - 5-1/4" (132mm)
  • Cutout Diameter - 4-1/16" (102mm)
  • Mounting Depth - 2-1/8" (54mm)

*Sold as a Pair

Specifications:

  • Watts Max: 80w
  • Mounting Style: Flush
  • Size: 4"
  • LED Lighting: No
  • QTY: Pair
  • Watts RMS: 40w
  • Cutout Size: 4-1/16"
  • Box Dimensions: 4"H x 6"W x 12"L WT: 3 lbs
  • UPC: 731128405414

Quick Guide (pdf)

What Our Customers Say

January 17, 2026

Absolutely no complaints!

So glad I went and bought this product.

- Albert H..

January 17, 2026

Absolutely no complaints!

A very well-made piece of amazing hardware.

- Amelie K..

January 17, 2026

Absolutely no complaints!

I am really, really impressed with this.

- Jalen L..

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