Overview

Big bass without the box.

The Rockford Fosgate M2D2-12I is a 12" infinite baffle marine subwoofer designed to deliver strong, clean low-end without needing a traditional enclosure. If you don’t have room for a box, this is the answer.

What It Is

A free-air (infinite baffle) marine subwoofer.

• 12" subwoofer
• Dual 2-ohm voice coils
• Designed for infinite baffle applications
• Part of the Color Optix™ lineup

Built specifically for installs where the mounting surface acts as the enclosure.

Performance

Strong output with clean response.

• 400 Watts RMS / 1600 Watts Peak
• Designed for open-air mounting
• Delivers deep, accurate bass without a box

What Makes It Different

This is all about install flexibility.

• Infinite baffle design → No enclosure required
• Dual 2Ω voice coils → Wire to 1Ω or 4Ω
• VAST surround → More cone area = more output
• Built specifically for marine mounting surfaces

Perfect for boats where enclosure space just isn’t there.

Lighting & Integration

Part of the Color Optix ecosystem.

• Integrated RGB lighting
• Works with Rockford Color Optix controller & app (Sold Separately)
• Wide-angle LED output for full illumination

Built for the Elements

Made for life on the water.

• Element Ready™ design
• UV-stable materials
• Moisture and corrosion resistant
• Built to handle sun, spray, and vibration

What It’s Best For

• Boats with limited space for enclosures
• Free-air / infinite baffle installs
• Clean factory-style integrations
• Systems needing strong bass without bulk

What’s Included

• M2D2-12I Subwoofer
• Mounting Hardware

Specifications

Size:

• 12"

Power Handling:

• 400 Watts RMS / 1600 Watts Peak

Impedance:

• Dual 2Ω (1Ω or 4Ω capable)

Mounting Type:

• Infinite Baffle (Free-Air)

Voice Coil:

• Dual Voice Coil

Quick Questions

Q: Do I need a box for this sub?
A: No—that’s the whole point. It’s designed for free-air installs.

Q: Where is this typically installed?
A: Panels, bulkheads, or other sealed mounting surfaces in marine setups.

Q: Is this louder than a boxed sub?
A: Not necessarily—but it’s the best solution when you don’t have room for an enclosure.

Note

• Requires proper infinite baffle mounting surface
• Not designed for sealed or ported enclosures