Poly-Planar MA-4054 4" 2-Way Coaxial Marine Speakers, 80W — Black, Pair (MA4054B)
Details
4" 2-Way Coaxial. 80W Peak / 40W RMS. Ultra-Low Magnetic Field. Waterproof. Compass & Autopilot Safe. Sold as a Pair.
The Poly-Planar MA-4054 is a 4" 2-way coaxial marine speaker with a rugged waterproof design built for years of trouble-free service. Ultra-low magnetic field construction eliminates interference with compasses and autopilots — a critical consideration for navigation-sensitive installations. At 4-1/16" cutout diameter, the MA-4054 is an ideal drop-in replacement for boaters upgrading to waterproof speakers without changing the cutout size. Integral grills allow for simple one-piece installation. Stainless steel mounting hardware included. Sold as a pair.
Key Features
- Ultra-low magnetic field — compass and autopilot safe
- Waterproof design with polypropylene cones, mylar tweeters, Teflon-coated wires, and plastic frames
- Integral grills — simple one-piece installation
- 4-1/16" cutout diameter — drop-in replacement without cutting a new hole
- Stainless steel mounting hardware included
- Sold as a pair
Specifications
- Type: 2-way coaxial
- Cone Size: 4" (102mm)
- Outside Diameter: 5-1/4" (132mm)
- Cutout Diameter: 4-1/16" (102mm)
- Mounting Depth: 2-1/8" (54mm)
- Mounting Style: Flush
- Peak Power: 80W
- Continuous (RMS) Power: 40W
- Impedance: 4 ohms
- LED Lighting: No
- Color: Black
- Quantity: Pair
- Weight: 1.2 lbs per speaker
- Box Dimensions: 4"H × 6"W × 12"L | 3 lbs
- UPC: 731128405414
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.