Rockford Fosgate R2D2-12 12" Dual 2-Ohm DVC Subwoofer

The Rockford Fosgate R2D2-12 is a 12-inch dual voice coil subwoofer designed to add dedicated low-frequency output to a car audio system. It is rated for 250 watts RMS and uses dual 2-ohm voice coils for flexible amplifier matching. This makes it a practical option for building or upgrading a single-subwoofer bass system.

Its 12-inch format is suited to listeners who want fuller bass response than smaller subwoofer sizes can typically provide. The R2D2-12 is designed for use in either a sealed or vented enclosure, allowing the installation to be tailored to available space and listening preferences. Proper enclosure volume and amplifier setup are important to its performance.

The subwoofer uses a mica-reinforced polypropylene cone with a poly-foam surround to support controlled cone movement. Its 88.7 dB sensitivity rating and 34.6 Hz free-air resonance are part of its documented electro-mechanical design. The result is a subwoofer intended for dedicated bass reproduction rather than full-range speaker duty.

Rockford Fosgate equips the R2D2-12 with a dual voice coil structure, an aluminum voice coil former, and stitched tinsel leads. The basket incorporates spider venting to help manage airflow around the motor assembly. These construction details support reliable operation when the subwoofer is installed and powered within its rated limits.

For system planning, the R2D2-12 can be paired with an amplifier selected for its final wired impedance and 250-watt RMS rating. It requires an enclosure with an 11.25-inch cutout and at least 5.067 inches of mounting depth. The dual 2-ohm coils provide series or parallel wiring options, so amplifier minimum-impedance capability should be checked before installation.

Key Features

• 250-Watt RMS Rating: Handles 250 watts of continuous amplifier power.
• Dual 2-Ohm Voice Coils: Provides wiring flexibility for compatible amplifiers.
• 12-Inch Subwoofer: Adds dedicated low-frequency output to car audio systems.
• Mica-Reinforced Polypropylene Cone: Supports durable, controlled cone movement.
• Spider-Vented Basket: Helps promote airflow around the motor assembly.
• Sealed Or Vented Compatibility: Supports two enclosure approaches for system design.

Design & Installation

The R2D2-12 uses a mica-reinforced polypropylene cone, high-density poly-foam surround, poly-cotton spider, and stamped basket construction. It also includes an aluminum voice coil former, stitched flexible lead wires, a removable PVC motor cover, and all-metal compression terminals. The dual 12 AWG compression terminals are designed to provide a secure speaker-wire connection.

Plan for a minimum 11.25-inch mounting cutout and 5.067-inch mounting depth before selecting an enclosure. Rockford Fosgate specifies 1.02 cubic feet for a sealed enclosure or 1.79 cubic feet for a vented enclosure, with the vented recommendation using a 4-inch diameter, 9.3-inch long port tuned to 45 Hz. Wire the dual 2-ohm coils according to the amplifier's approved minimum load, and use an active low-pass crossover in the recommended 80-100 Hz range at 12 dB per octave.