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Rockford Fosgate R2SD2-12 Prime 12″ R2 2-Ohm DVC Shallow Subwoofer

Brand: Rockford Fosgate
Model Number: R2SD2-12
UPC: 780687339791
Rockford Fosgate
Model Number: R2SD2-12
UPC: 780687339791

Rockford Fosgate R2SD2-12 Prime 12″ R2 2-Ohm DVC Shallow Subwoofer

  • 12 AWG compression terminals
  • Mica injected polypropylene cone
  • Optimized for sealed enclosures
  • Linear spider with embedded 16 AWG tinsel leads
  • Anodized aluminum voice coil former
  • StampCast basket with integrated spider venting
  • Integrated PVC trim ring
  • Shallow Motor Assembly

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Product Description

Features & Specifications



Rockford Fosgate R2SD2-12 Prime 12″ R2 2-Ohm DVC Shallow Subwoofer

Even in small automobiles with limited room, Rockford Fosgate R2SD2-12 shallow-mount subs offer pleasing bass. These low-profile subs may work in incredibly compact enclosures thanks to a distinctive elevated motor arrangement that can handle considerable of power.

The Rockford Fosgate R2SD2-12 subwoofer has a 12″ subwoofer “To hammer out fat, deep notes, a mica-injected polypropylene cone works with a high-density polyfoam surround. With a mounting depth of only 3-5/8”, this shallow-mount workhorse can handle up to 250 watts RMS “.. The tinsel leads that transmit the signal to the voice coils are stitched directly into the cone by Rockford Fosgate, ensuring that they will withstand heavy use. To keep this sub cool, the stamped solid-steel frame has the same ventilation as standard-mount Rockford Fosgate subs.

With dual 2-ohm voice coils, you can wire this sub for 1- or 4-ohm impedance, providing you more options when it comes to system setup. This Prime sub from Rockford Fosgate is optimised for both sealed and ported enclosures, allowing you to choose the sort of bass you want in your vehicle.

Shallow Mount Design

The Rockford Fosgate Prime R2 Shallow Subwoofer is designed and engineered with a much smaller motor assembly which reduces the overall depth of the woofer allowing it to fit in shallower enclosures and tighter locations of your vehicle.

Dual 2-ohm Voice Coils

This Rockford Fosgate R2SD2-12 woofer features dual 2-ohm voice coils to offer wiring flexibility. When the voice coils are wired in parallel the woofer presents a 1-ohm mono load, when wired in series it presents a 4-ohm mono load.

Spring Post Assembly

The woofer features compression input terminals with attached 16-gauge stitched tinsel lead wires. The nickel plated spring posts will accept pin connectors, single banana plugs, and bare wire up to 12-gauge.

Sealed Box Volume

Rockford Fosgate recommends a sealed enclosure with an optimum internal volume of 0.9 cubic feet (from 0.75 to 1.25 cubic feet is acceptable). Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.

Vented Box Volume

Rockford Fosgate recommends a vented enclosure with an internal volume of 1.79 cubic feet using a 4″ diameter x 11.8″ long port tube; this yields a tuning frequency of 40 Hz. Ported (or vented) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power. However, this efficiency comes at the expense of very low frequency output (below 35 Hz).

Please consult your amplifier owner’s manual for lowest recommended impedance for the Rockford Fosgate R2SD2-12

Wiring Diagram #1


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Rockford Fosgate R2SD2-12


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Rockford Fosgate R2SD2-12


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Rockford Fosgate R2SD2-12


Wiring Diagram #8


Wiring Diagram #9

Rockford Fosgate R2SD2-12
Brand Rockford Fosgate   Model Rockford Fosgate R2SD2-12
Product: Rockford Fosgate R2SD2-12 Prime 12" R2 2-Ohm DVC Shallow Subwoofer

Size 12 -inch
Impedance 2 ohm
Cone Material Mica injected Poly
Surround Material Poly-Foam
Ideal Sealed Box Volume (cubic feet) 0.9
Ideal Ported Box Volume (cubic feet) 1.79
Port diameter (inches) 4
Port length (inches) 11.8
Free-Air No
Dual Voice Coil Yes
Sensitivity 85 dB at 1 watt
Frequency Response 29 – 250 Hz
Max RMS Power Handling 250
Peak Power Handling (Watts) 500
Top Mount Depth (inches) 3 5/8
Bottom Mount Depth (inches) N/A
Cutout Diameter or Length (inches) 11 1/8
Vas (liters) 65.4
Fs (Hz) 29.7
Qts 0.66
Xmax (millimeters) 10

Car Subwoofer Features

Dual Voice Coil, Shallow Mount

Car Subwoofer Size



2 Ω

RMS Power

401 to 800 Watts

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Rockford Fosgate offers a 1 year limited warranty


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