Rockford Fosgate M2D4-10S-G2 10" Marine Subwoofer

The Rockford Fosgate M2D4-10S-G2 is a 10-inch marine subwoofer designed for sealed enclosures where installation space is limited. It adds dedicated low-frequency output to boat, powersports, and outdoor audio systems without requiring a large enclosure. This white model includes a stainless-steel grille option for a coordinated marine installation.

Built with dual 4-ohm voice coils and a 400-watt RMS power rating, this subwoofer is intended for an appropriately matched external amplifier. Its sealed-enclosure design supports controlled, musical bass in compact system layouts. The recommended enclosure range lets installers tailor the available space to the system design.

A built-in VERSA switch simplifies impedance configuration by setting the dual voice coils for either a 2-ohm or 8-ohm nominal load. This eliminates the need for traditional series or parallel jumper wiring at the speaker terminals. Confirm that the selected amplifier is stable at the chosen impedance before installation.

The M2D4-10S-G2 uses Rockford Fosgate Color Optix lighting compatibility for RGB illumination in a marine system. Lighting control requires a compatible PMX-RGB Color Optix controller, sold separately. A supplied 4-wire RGB harness supports connection within the Color Optix ecosystem.

Element Ready construction is made for exposure to marine conditions including water, salt, and UV. The subwoofer carries an IPX6 water-intrusion rating and uses marine-oriented connection options for installation flexibility. It is a practical choice for systems that need compact sealed-box bass along with coordinated RGB lighting and grille customization.

Key Features

• 400-Watt RMS Handling: Supports amplifier matching for substantial low-frequency output.
• VERSA Impedance Switch: Selects 2-ohm or 8-ohm nominal operation.
• Sealed-Enclosure Design: Fits installations with limited enclosure space.
• Color Optix Compatibility: Enables RGB lighting with an optional controller.
• IPX6 Water Rating: Helps protect against powerful water jets.
• Interchangeable Grille System: Supports stainless-steel and sport grille styling.

Design & Installation

This 10-inch M2 Generation 2 marine subwoofer combines a white presentation with a stainless-steel grille accessory and black grille spacers. Its Element Ready design is intended for marine exposure, while the Deutsch and 1/8-inch spade speaker connections provide installation options. The 2-inch voice coil, 55.04-ounce magnet, and 13 mm Xmax are part of its purpose-built low-frequency design.

Install the M2D4-10S-G2 in a sealed enclosure between 0.5 and 1.25 cubic feet, allowing for the driver displacement when calculating net internal volume. The mounting cutout requires 8.98 inches and mounting depth is 4.70 inches, so verify rear clearance before cutting. Use the VERSA switch to choose the required 2-ohm or 8-ohm load, connect an amplifier matched to its 400-watt RMS rating, and add the optional PMX-RGB controller when RGB lighting control is desired.