Overview

Big bass. No box needed.

The Rockford Fosgate M2D2-10I is a 10" infinite baffle marine subwoofer built for clean installs where space is limited. It delivers strong, controlled low-end without requiring a traditional enclosure.

What It Is

A free-air marine subwoofer designed for panel mounting.

• 10" subwoofer
• Dual 2-ohm voice coils
• Switchable impedance (1Ω or 4Ω)
• Infinite baffle (no enclosure required)

Built to mount directly into a surface that acts as the enclosure.

Performance

Strong output without the bulk.

• 400 Watts RMS / 1600 Watts Peak
• Frequency response: ~32 Hz – 250 Hz
• Sensitivity: ~87 dB

This gives you real bass presence while keeping the install clean and simple.

What Makes It Different

Designed for space-saving installs.

• Infinite baffle design → No box required
• VERSA switch → Flip between 1Ω and 4Ω without rewiring
• VAST surround → More cone area for better output
• Built specifically for marine mounting surfaces

Lighting & Integration

Part of the Color Optix system.

• Integrated RGB lighting
• Compatible with Rockford Color Optix controller (Sold Separately)
• Deutsch connectors for clean wiring

Built for the Elements

Made for outdoor environments.

• Element Ready™ design
• UV and salt-fog resistant materials
• Water-resistant construction
• Marine-grade terminals and connectors

What It’s Best For

• Boats without room for subwoofer enclosures
• Free-air / infinite baffle installs
• Clean, factory-style integrations
• Systems needing strong bass without losing storage space

What’s Included

• M2D2-10I Subwoofer
• Mounting Hardware
• LED wiring harness
• Grille options (varies by model)

Specifications

Size:

• 10"

Power Handling:

• 400 Watts RMS / 1600 Watts Peak

Impedance:

• Dual 2Ω (1Ω or 4Ω selectable)

Mounting Type:

• Infinite Baffle (Free-Air)

Voice Coil:

• Dual Voice Coil

Quick Questions

Q: Do I need a box for this?
A: No—this is designed specifically for free-air installs.

Q: Where does this get installed?
A: Panels, bulkheads, or any sealed mounting surface.

Q: Is this better than a boxed sub?
A: Different tool for the job—this is ideal when space is limited.

Note

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