





"Fit perfectly and worked exactly as expected — support was excellent."
Rockford Fosgate M1D2-12
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
The Rockford Fosgate M1D2-12 12-inch marine subwoofer is engineered to deliver deep, powerful bass that enhances your on-water audio experience. Built with Rockford Fosgate’s signature quality and durability, this subwoofer is designed to withstand the harsh marine environment while providing impactful low-end frequencies. Featuring advanced Color Optix™ LED lighting, the M1D2-12 not only elevates your sound but also adds a vibrant visual element to your boat. Whether you're enjoying a quiet cruise or throwing a boat party, this subwoofer ensures your music hits hard and looks amazing.
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| 12-Inch Marine-Grade Subwoofer: Delivers deep, powerful bass in marine environments. |
| Dual 2-Ohm Voice Coils: Offers flexible wiring options for optimal system integration. |
| Color Optix™ LED Lighting: Customizable, multi-color LEDs add a dynamic visual element to your boat’s audio system. |
| Durable Marine Construction: UV and moisture-resistant cone and Santoprene™ surround ensure long-lasting performance. |
| Easy Installation: Versatile size and fit for various marine applications. |
Specifications
| Size | 12 inches |
| Impedance | Dual 2 ohms |
| Max Power Handling | 800 watts |
| RMS Power Handling | 400 watts |
| Frequency Response | 20 Hz – 500 Hz |
| Sensitivity | 87.6 dB |
| Mounting Depth | 5.1 inches |
| LED Lighting | Color Optix™ Multi-color, customizable |
What's in the Box
- Rockford Fosgate M1D2-12 12" Marine Subwoofer
- Mounting hardware
- Owner’s manual
- Warranty information
- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase

Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Expandable by Design
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
Why Buying This Here Is Safer Than Anywhere Else
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Verified Vehicle Fit
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Installer Support
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Authorized Products
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Easy Returns
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
