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Rockford Fosgate R2D4-12 Prime 12″ R2 4-Ohm DVC Subwoofer

Brand: Rockford Fosgate
Model Number: R2D4-12
UPC: 780687332563
Rockford Fosgate
Model Number: R2D4-12
UPC: 780687332563

Rockford Fosgate R2D4-12 Prime 12″ R2 4-Ohm DVC Subwoofer

  • Mica-injected polypropylene woofer cone with poly-foam surround
  • Stamped solid-steel frame
  • Power range: 50-250 watts RMS (500 watts peak power)
  • Frequency response: 43-250
  • Sensitivity: 89 dB

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Product Description

Features & Specifications



Rockford Fosgate R2D4-12 Prime 12″ R2 4-Ohm DVC Subwoofer

Car Audio Fanatics wanting big bass can rely on the Prime Rockford Fosgate R2D4-12 subwoofer. This 12” subwoofer handles 250 Watt RMS and the 4-Ohm Dual Voice Coil design lets you to wire them in various configurations. The Prime Series 10″ subwoofers to get the job done, and the Dual Voice Coil provides awesome installation flexibility. These drivers can pump out the bass due to their mica injected polypropylene cone, and their stamp-cast baskets with spider venting – typically reserved for more expensive models – keep the motor running cool! These R2 subwoofers are optimized for sealed and vented enclosures.

Rockford Fosgate R2D4-12 Prime R2 subs deliver strong bass in your car, and they are definitely built to last. The Rockford Fosgate R2D4-12 sub features a 12″ mica-injected polypropylene cone that works with a high-density poly-foam surround to punch out fat, deep notes. Rockford Fosgate stitches the tinsel leads that carry the signal to the voice coils directly into the cone — they’ll hang tough through heavy use so you get consistent, reliable performance. The stamped solid-steel frame offers venting usually found in high-end subs that keeps this sub running cool.

Dual 4-ohm voice coils allow you to wire this sub for 2- or 8-ohm impedance, giving you more flexibility in setting up your system. Rockford Fosgate optimizes this Prime sub for both sealed and ported enclosures so you can choose the type of bass you want in your ride.

Available Wiring Diagrams

Please consult your amplifier owner’s manual for lowest recommended impedance.

Brand Rockford Fosgate   Model Rockford Fosgate R2D4-12
Product: Rockford Fosgate R2D4-12 Prime 12" R2 4-Ohm DVC Subwoofer

Size: 12 -inch
Impedance (Ohms): 2, 8
Cone Material: Mica injected poly
Surround Material: Poly-foam
Ideal Sealed Box Volume (cubic feet): 1.02
Ideal Ported Box Volume (cubic feet): 1.79
Port diameter (inches): 4
Port length (inches): 9.3
Free-Air: No
Dual Voice Coil: Yes
Sensitivity: 87 dB at 1 watt
Frequency Response: 43 – 250 Hz
Max RMS Power Handling: 250
Peak Power Handling (Watts): 500
Top Mount Depth (inches): 5 1/4
Cutout Diameter or Length (inches): 11 1/16
Vas (liters): 68.8
Fs (Hz): 35
Qts: 0.6
Xmax (millimeters): 6

What's in the box

Rockford Fosgate R2D4-12 owner's manual
One 12" Dual 4-ohm voice coil subwoofer
Eight 1-1/8" Allen head screws
4mm Allen head bit
Installation/Operation manual (English/ French/ Spanish/ German)

Car Subwoofer Features

Dual Voice Coil

Car Subwoofer Size


RMS Power

201 to 400 Watts


2 Ω, 8 Ω

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Rockford Fosgate Canada 1-Year Limited Warranty


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