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Rockford Fosgate R2D4-10 Prime R2 Series 10″ Subwoofer With Dual 4-ohm Voice Coils

Rockford Fosgate R2D4-10 Prime R2 Series 10″ Subwoofer With Dual 4-ohm Voice Coils


SKU: R2D4-10
Product by: Rockford

The Prime Series subwoofers from Rockford Fosgate are built to last, and the Dual Voice Coil allows for incredible installation flexibility. The mica injected polypropylene cone can pump out the bass, and the stamp-cast baskets with spider ventilation keep the motor cool! It’s optimized for sealed and vented enclosures.

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SKU: R2D4-10


sku: R2D4-10

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Key Features:

  • 10″ subwoofer with dual 4-ohm voice coils
  • 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: 45-250
  • sensitivity: 87 dB
  • top-mount depth: 4-3/8″
  • sealed box volume: 0.59 cubic feet
  • ported box volume: 1.4 cubic feet
  • grille not included
  • warranty: 1 year

Features & specs

Size 10 -inch
Impedance 2 ohms
Cone Material Mica injected poly
Surround Material Poly-foam
Ideal Sealed Box Volume (cubic feet) 0.59
Ideal Ported Box Volume (cubic feet) 1.4
Port diameter (inches) 4
Port length (inches) 13
Free-Air No
Dual Voice Coil Yes
Sensitivity 86.6 dB at 1 watt
Frequency Response 45 – 250 Hz
Max RMS Power Handling 250
Peak Power Handling (Watts) 500
Top Mount Depth (inches) 4 7/16
Bottom Mount Depth (inches) N/A
Cutout Diameter or Length (inches) 9 1/16
Vas (liters) 39
Fs (Hz) 35
Qts 0.53
Xmax (millimeters) 6.5
Parts Warranty 1 Year
Labor Warranty 1 Year


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Additional information

Subwoofer size

Airspace Requirements




Standard Subwoofer Design


Dual 4 ohm

Frequency Response, Low


Subwoofer Power Handling RMS