Description
Poly-Planar MA-4056 6″ 80 Watt Speakers – Black
Waterproof Coaxial Speakers Built for Marine Environments
The Poly-Planar MA-4056 speakers are a reliable 6″ two-way coaxial option designed specifically for the marine environment. With rugged, waterproof construction, Teflon-coated wires, polypropylene cones, and integral grills, these speakers deliver crisp, clear sound while withstanding years of salt, sun, and spray.
Unlike standard speakers, the MA-4056 is engineered with ultra-low magnetic fields, preventing interference with sensitive navigation equipment, such as compasses and autopilots, making it a smart upgrade for serious boaters.
Why You’ll Love Them
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Marine-Ready Design: Built to withstand water, corrosion, and harsh marine conditions.
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Interference-Free: Ultra-low magnetic field prevents disruption of navigation electronics.
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Easy Upgrade: Standard 6″ cone size fits existing cutouts for quick replacement.
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One-Piece Installation: Integral grills and stainless hardware simplify setup.
Key Features
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6″ two-way coaxial speaker system
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Waterproof, UV-resistant construction
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Polypropylene cones with mylar tweeters
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Teflon-coated wires and plastic frames for durability
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Flush-mount style with included stainless steel hardware
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Sold as a pair
Perfect For
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Replacing outdated marine speakers without re-cutting
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Sailboats, center consoles, and cruisers
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Any boater looking for durable, waterproof audio with clear performance
Technical Specifications
| Feature | Specification |
|---|---|
| Type | 2-way Coaxial |
| Cone Size | 6″ (152mm) |
| Impedance | 4 ohms |
| Peak Power | 80 watts |
| Continuous Power (RMS) | 40 watts |
| Outside Diameter | 7-3/16″ (182mm) |
| Cutout Diameter | 5-1/4″ (132mm) |
| Mounting Depth | 2-9/16″ (65mm) |
| Weight | 1.55 lbs per speaker |
| Mounting Style | Flush |
| Quantity | Pair |
| LED Lighting | No |
| Box Dimensions | 5″H x 8″W x 16″L |
| Weight (Shipping) | 3.9 lbs |
| UPC | 731128405612 |
✅ Sold as a Pair
Quick Guide (pdf)
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