# Poly-Planar MA-4054 4" 80 Watt Speakers - Black [MA4054B]

**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)](https://productimageserver.com/literature/quickGuide/12542QG.pdf)

## Details

- **Price:** 25.99 USD
- **Type:** Speakers
- **Tags:** Brand_Poly-Planar, Clearance, Entertainment, Entertainment | Speakers, Specials

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 25.99 USD | In stock |

## Images

- Poly-Planar MA-4054 4" 80 Watt Speakers - Black [MA4054B] Poly-Planar

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> Source: [Besafe1st](https://besafe1st.com/products/poly-planar-ma-4054-4-80-watt-speakers-black-ma4054b)
> Updated: 2026-06-03