Rockford Fosgate R2D4-10

Prime R2 Series 10" subwoofer with dual 4-ohm voice coils

Item #: 575R2D410

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6 Reviews | 1 question - 2 answers

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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.

To drive this single subwoofer, we recommend a mono amplifier rated between 200 and 375 watts RMS at 2 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

Product Highlights:

  • 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
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Hands-on research

What's in the box?

Download owner's manual

  • 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)

Product Research

Features
Enclosure Compatibility

Features

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.

Enclosure Compatibility

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).

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Rockford Fosgate R2D4-10 Reviews

Average Customer Review:

6 reviews
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Great little sub

Written By Anonymous, Elkview wv on Friday, September 19, 2014

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Sounds Very well with a punch 300.1 behind it. Mostly listen to rock now. Does really well

Rockford Fosgate R2D4-10

Written By Anonymous, Windsor, On on Friday, April 04, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
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Good bang for your buck

Rockford Fosgate R@D$-10

Written By Stacy, Anna, IL on Wednesday, March 05, 2014

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

Whats to say? You can't go wrong with Fosgate subs, wheither you buy inexpensive ones or the high dollar ones you can't beat them. 2 10"s in a 4 door jeep are plenty loud!!!

Pros: Works perfectly with my old Fosgate punch 100 Amp!

Cons: Thow in free grill covers, not everyone installs in a trunk of a car!

rockford fosgate r2d4-10

Written By fob, zuni new mexico on Tuesday, July 30, 2013

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
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ths subwoofer rocks

Pros: like the contruction

Cons: none

pleased

Written By KR, Brigham City,UT on Wednesday, June 19, 2013

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

I have been impressed with its sound and versatile independence

Pros: sounds great even at low volume

Cons: haven't found any yet

rockford sub

Written By rick, mason, ohio on Thursday, February 02, 2012

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Ease of Use
  • Sound Quality
  • Value

great little sub for the price .....

Pros: great bass, good looks

Cons: speaker grill does not fit,

Get everything you’ll need to enjoy your new Rockford Fosgate R2D4-10

We've verified that these enclosures are a good match for this subwoofer.
It's critical to have good wire, and none is included with the sub.
Reduce ambient road noise and your vehicle's "rattles," for better sound inside your car.
Add a grille and keep your sub safe.
These can be useful if you are building a custom box.
Sound Ordnance™ Bass Bunker

Sound Ordnance™ Bass Bunker

Sealed single 10" subwoofer enclosure (Model BB10-50S)

Item #: 777BB1050S

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$59.99
Add to Cart
Sound Ordnance™ Bass Bunker

Sound Ordnance™ Bass Bunker

Ported single 10" subwoofer enclosure (Model BB10-125V)

Item #: 777BB1012V

(9)

$79.99
Add to Cart
Sound Ordnance™ Bass Bunker

Sound Ordnance™ Bass Bunker

Ported dual 10" subwoofer enclosure (Model BB102-125V)

Item #: 777BB1021V

(31)

$79.99
Add to Cart
T-Spec 16-gauge Speaker Wire

T-Spec 16-gauge Speaker Wire

Black/white jacket — priced per foot

Item #: 120SW16WB1

(13)

T-Spec 12-gauge Speaker Wire

T-Spec 12-gauge Speaker Wire

Black/white jacket — priced per foot

Item #: 120SW12WB1

(30)

Stinger PRO Series Speaker Wire

Stinger PRO Series Speaker Wire

Priced per foot (16 Gauge)

Item #: 541SPW516B

(53)

Dynamat Xtreme Wedge Pack

Dynamat Xtreme Wedge Pack

1 sheet, 4 square feet

Item #: 15410425

(7)

$39.99
Add to Cart
Dynamat SuperLite Tri-Pak

Dynamat SuperLite Tri-Pak

Triple package — 3 sheets, 12 square feet (Model #10612)

Item #: 15410612

(17)

$69.99
Add to Cart
Dynamat 19100

Dynamat 19100

License Frame Kit

Item #: 15419100

(15)

$14.99
Add to Cart
Dynamat Xtreme Trunk Kit

Dynamat Xtreme Trunk Kit

5 sheets, 20 square feet

Item #: 15419405

(14)

$169.99
Add to Cart
Dynamat Dynaliner

Dynamat Dynaliner

One 54" x 32" sheet (1/8" thick)

Item #: 15411101

(6)

$69.99
Add to Cart
Speaker Grilles

Speaker Grilles

(10" waffle style)

Item #: 125G10

(43)

Polyester Fiber Stuffing

Polyester Fiber Stuffing

Make your subwoofer think it's in a bigger box (1-pound pack)

Item #: 027808

(36)

$12.99
Add to Cart
Metra Speaker Terminal

Metra Speaker Terminal

Round terminal cup with binding post connectors (for do-it-yourself box builders)

Item #: 120TCRB

(13)

Metra Box Carpet

Metra Box Carpet

Carpet roll (54" x 5 yards) — available in 3 colors (Black)

Item #: 120TL3015

(24)

$39.99
Add to Cart
Corner Protectors

Corner Protectors

Item #: 1251536

(5)

Metra Speaker Terminal

Metra Speaker Terminal

Round terminal cup with spring clip connectors (for do-it-yourself box builders)

Item #: 120TCRS

(6)

Rubber Feet

Rubber Feet

Item #: 125F1692

(4)

Metra Speaker Terminal

Metra Speaker Terminal

Square terminal cup with binding post connectors (for do-it-yourself box builders)

Item #: 120TCSB

(7)

Grille Clamps

Grille Clamps

(Front/top mount clamps)

Item #: 125G727KIT

(15)

Metra Speaker Terminal

Metra Speaker Terminal

Square terminal cup with spring clip connectors (for do-it-yourself box builders)

Item #: 120TCSS

(7)

Springback Handle

Springback Handle

Item #: 125H1051K

(2)

Port Tube

Port Tube

4" diameter, 4-1/2" long

Item #: 125M1703

(2)

Questions & Answers Ask the community. Share your knowledge.

1 question already asked

try this link. http://www.crutchfield.com/S-I6MUq4yYgxX/learn/learningcenter/car/subwoofers_wiring.html [ PATRICK  Jul 06, 2014 ]
Each speaker has two four ohm coils in it, so you need to wire each speaker in series (positive to negative) then the two speakers in parallel from the amp (positive to positive : negative to negative) The math works out to a 4 ohm load. [ TIMOTHY  Jul 03, 2014 ]