About the Rockford Fosgate R2D4-10
Rockford Fosgate's Prime R2 subs deliver strong bass in your car, and they are definitely built to last. The R2D4-10 sub features a 10" 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.
Need an amp for this sub? Check out this Crutchfield-approved bass package.
- 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
- Our 60-day money-back guarantee
- MFR # R2D4-10
What's in the box:
- One 10" Dual 4-ohm voice coil subwoofer
- Eight 1-1/8" Allen head screws
- 4mm Allen head bit
- Installation/Operation manual (English/ French/ Spanish/ German)
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More details on the Rockford Fosgate R2D4-10
Features & specs
|Impedance||2 ohms or 8 ohms|
|Cone Material||Mica injected poly|
|Ideal Sealed Box Volume (cubic feet)||0.59|
|Ideal Ported Box Volume (cubic feet)||1.4|
|Port diameter (inches)||4|
|Port length (inches)||13|
|Dual Voice Coil||Yes|
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|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Overview: The Rockford Fosgate Prime R2D4-10 is a 10-inch subwoofer with dual 4Ω voice coils. The sub features a StampCast steel frame, quick-release compression terminals, and a mica injected polypropylene cone. An anodized aluminum voice coil former and spider venting help keep the subwoofer cool.
Steel Basket: The R2D4-10 subwoofer features a StampCast steel basket for added rigidity.
Compression Terminals: The Prime R2D4-10 features spring post terminals which accommodate speaker wire up to 12 gauge.
CEA-2031 Compliant: Power handling on the Rockford Fosgate Prime R2D4-10 subwoofer conforms to CEA-2031 industry standards. This means the subwoofer has the capacity to handle power under continuous demand, not instantaneous power handling, that over time, can damage voice coils.
Sealed Box: Rockford recommends a sealed enclosure with an optimum internal volume of 0.59 cubic feet (from 0.5 to 0.75 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.
Ported Box: Rockford recommends a ported enclosure with an internal volume of 1.4 cubic feet using one 4" diameter x 13" long port; this yields a tuning frequency of 43 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 40Hz).
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