Description
Rockford Fosgate M1D4-12
The Rockford Fosgate M1D4-12 12″ Dual 4-Ohm Marine Subwoofer is engineered to deliver deep, powerful bass for marine and outdoor audio systems. Featuring Element Ready™ construction, it resists UV rays, water, salt, and corrosion, ensuring reliable performance in harsh marine environments. Its dual 4-ohm voice coil configuration provides flexible wiring options and strong low-frequency output, making the M1D4-12 perfect for enhancing any boat or marine sound system.
Specifications
| Specification | Details |
|---|---|
| Brand | Rockford Fosgate |
| Model | M1D4-12 |
| Type | 12″ Dual 4-Ohm Marine Subwoofer |
| Compatibility | Boats, wakeboards, and marine audio systems |
| Voice Coil | Dual 4-Ohm |
| Size | 12 inch |
| Build | Element Ready™ (UV, salt, water, corrosion resistant) |
| Application | Marine and outdoor audio systems |
About The Product
The M1D4-12 Color Optix™ 12” DVC 4-Ohm subwoofers deliver loud, clear, accurate bass, and light the way for your journey! Sold individually (1 each).
Color Optix™
Adjust your own bright, wide, and limitless lighting experience with the Rockford Fosgate Color Optix™ plug-and-play controller (sold separately) and App.
Element Ready™
Purpose Built for the Marine Environment, Rockford’s Element Ready™ products are built to stand up to Water, Salt, and UV rays, making sure your subwoofers stand the test of time.
True Marine Ecosystem
Integrated Deutsch™ / Amphenol™ connections provide industry leading marine plug-and-play connectivity and flexible install options.
Color Optix™ Requirements
Requires PMX-RGB controller and RF Connect™ App.




















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