We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The Rockford Fosgate M2D4-12I is built for people who don’t want to be locked into a single way of doing things. Whether you’re running sealed boxes or going full open-air free-air setup, this marine subwoofer adapts to your build. It’s designed for both ported and infinite-baffle applications, giving you the freedom to shape your bass exactly how you want it while still delivering strong, controlled low-frequency output that fills the space.
This sub doesn’t flinch when conditions get rough. It’s engineered and tested to ASTM B117 salt fog and ASTM G154 UV standards, so it can handle long-term exposure to sun, moisture, and corrosion without losing performance. Add in waterproof Deutsch connectors and sealed terminals, and you get a setup that stays solid even in wet, high-vibration environments where most gear would struggle to survive.
Under the surface, the M2D4-12I is all about control and output. You get selectable 2Ω or 8Ω impedance wiring, keeping your system flexible without sacrificing its 400W RMS and 1600W peak capability. VAST surround technology increases cone area for bigger bass without increasing size, while Klippel Verified tuning keeps distortion low even when you push it hard. And if you like a bit of style with your sound, the built-in RGB lighting lets you dial in colors like white, aqua, pink, or yellow, giving your setup a clean, custom glow that matches your ride.
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We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The Rockford Fosgate M2D4-12I is built for people who don’t want to be locked into a single way of doing things. Whether you’re running sealed boxes or going full open-air free-air setup, this marine subwoofer adapts to your build. It’s designed for both ported and infinite-baffle applications, giving you the freedom to shape your bass exactly how you want it while still delivering strong, controlled low-frequency output that fills the space.
This sub doesn’t flinch when conditions get rough. It’s engineered and tested to ASTM B117 salt fog and ASTM G154 UV standards, so it can handle long-term exposure to sun, moisture, and corrosion without losing performance. Add in waterproof Deutsch connectors and sealed terminals, and you get a setup that stays solid even in wet, high-vibration environments where most gear would struggle to survive.
Under the surface, the M2D4-12I is all about control and output. You get selectable 2Ω or 8Ω impedance wiring, keeping your system flexible without sacrificing its 400W RMS and 1600W peak capability. VAST surround technology increases cone area for bigger bass without increasing size, while Klippel Verified tuning keeps distortion low even when you push it hard. And if you like a bit of style with your sound, the built-in RGB lighting lets you dial in colors like white, aqua, pink, or yellow, giving your setup a clean, custom glow that matches your ride.
