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Rockford Fosgate R2D4-12, Prime 12" 4 Ohm Dual Voice Coil Subwoofer - 500W
Car Audio Fanatics wanting big bass can rely on the Prime 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.
Anodized Aluminum Voice Coil Former
Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to 100° at full power levels). Unlike traditional plastic substitutions, aluminum acts like a heat-sink to quickly dissipate thermal build-up on the voice coil. This keeps subwoofers cool during high SPL conditions.
Stitched Tinsel Leads
Improved reliability and performance by reducing fatigue and possible shorting.
Car Audio Fanatics who want Rockford Fosgate quality can rely on 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.
Klippel Verified
Klippel is a speaker certification program allowing us to deliver the best possible speakers.
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.
Size |
12-inch |
Voice Coil |
DVC |
Impedance |
Dual 4 ohms |
RMS Power Rating (Watts) |
250 |
Peak Power Rating (Watts) |
500 |
Cone Material |
Mica injected poly |
Surround Material |
Poly-foam |
Free Air |
No |
Sensitivity |
87 dB at 1 Watt |
Frequency Response |
43-250 Hz |
Top Mount Depth (Inches) |
5 1/4 |
Bottom Mount Depth (Inches) |
- |
Cutout Diameter (Inches) |
11 1/16 |
Vas (liters) |
68.8 |
Fs (Hz) |
35 |
Xmax (millimeters) |
6.5 |
Warranty |
1 Year |
Size |
12-inch |
Voice Coil |
DVC |
Impedance |
Dual 4 ohms |
RMS Power Rating (Watts) |
250 |
Peak Power Rating (Watts) |
500 |
Cone Material |
Mica injected poly |
Surround Material |
Poly-foam |
Free Air |
No |
Sensitivity |
87 dB at 1 Watt |
Frequency Response |
43-250 Hz |
Top Mount Depth (Inches) |
5 1/4 |
Bottom Mount Depth (Inches) |
- |
Cutout Diameter (Inches) |
11 1/16 |
Vas (liters) |
68.8 |
Fs (Hz) |
35 |
Xmax (millimeters) |
6.5 |
Warranty |
1 Year |
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to