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Rockford Fosgate R2SD2-10 Prime R2 Series 10" shallow-mount sub with dual 2-ohm voice coils

Item # 575R2SD210

Rockford Fosgate's Prime R2 shallow-mount subs deliver satisfying bass even in smaller cars where space is tight.

Rockford Fosgate's Prime R2 shallow-mount subs deliver satisfying bass even in smaller cars where space is tight.

5 questions - 11 answers

Item # 575R2SD210

Low stock
$129.99 -$21.32 Outlet savings
$108.67 each

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About the Rockford Fosgate R2SD2-10

Jo Greene
Rockford Fosgate's Prime R2 shallow-mount subs deliver satisfying bass even in smaller cars where space is tight. A special elevated motor structure lets these low-profile subs work in extremely compact enclosures, while still handling plenty of power.

Rockford Fosgate's Prime R2 shallow-mount subs deliver satisfying bass even in smaller cars where space is tight. A special elevated motor structure lets these low-profile subs work in extremely compact enclosures, while still handling plenty of power.

The R2SD2-10 sub features a 10" mica-injected polypropylene cone that works with a high-density poly-foam surround to punch out fat, deep notes. This shallow-mount workhorse will handle up to 200 watts RMS, with a mounting depth of only 3-1/2". Rockford Fosgate stitches the tinsel leads that carry the signal to the voice coils directly into the cone, so they'll hang tough through heavy use. The stamped solid-steel frame offers the same venting found in standard-mount Rockford Fosgate subs to keep this sub running cool.

Dual 2-ohm voice coils allow you to wire this sub for 1- or 4-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.

Subwoofer Wiring Diagrams

To see sample wiring diagrams for all common subwoofer/amplifier combinations, check out this informative article.

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Product highlights:

  • 10" shallow-mount subwoofer with dual 2-ohm voice coils
  • mica-injected polypropylene woofer cone with poly-foam surround
  • stamped solid-steel frame
  • power range: 100-200 watts RMS (400 watts peak power)
  • frequency response: 45-250 Hz
  • sensitivity: 82 dB
  • top-mount depth: 3-7/16"
  • sealed box volume: 0.7 cubic feet
  • ported box volume: 1.4 cubic feet
  • warranty: 1 year
  • MFR # R2SD2-10

What's in the box:

  • One shallow-mount 10" Dual 2-ohm voice coil woofer
  • Eight 1-1/8" Self-tapping screws
  • 4mm Allen bit
  • Installation and Operation manual (English/ French/ Spanish/ German)

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

See the difference between "Open Box" and "Scratch & Dent" Outlet items

Customer reviews for Rockford Fosgate R2SD2-10

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Features

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 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 load, when wired in series it presents a 4-ohm 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 0.7 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.

Vented Box Volume: Rockford Fosgate recommends a vented enclosure with an internal volume of 1.4 cubic feet using a 4" diameter x 13.7" long port tube; this yields a tuning frequency of 42 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).

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Customer Q&A

5 questions already asked

Q
Does this need an enclosed box?
choppy  Aug 31, 2022
1 answer
A
This subwoofer does require an enclosure. It is not rated for free-air use.
zachary  Sep 01, 2022 (Staff)
Q
Would this produce much bass with 60 watts @ 2ohms going into each voice coil in a sealed enclosure?
beetle  Aug 05, 2021
3 answers
A
Everyone's idea of just how much bass is enough varies so we have advisors that can be reached by calling 1-800-324-9695 who can discuss your goals and preferences to check
jason  Aug 07, 2021 (Staff)
A
Yes it would produce enough bass unless you want to go to the ear doctor down the road
bryan  Aug 06, 2021
A
Yes
johnny  Aug 05, 2021
Q
Would the Rockford Fosgate r2sd2-10 work as a free air sub?
aaron  Jul 02, 2021
2 answers
A
This sub is not designed for free air use, no.
thomas  Jul 15, 2021 (Staff)
A
I don't feel that has enough push to work very well as a free air sub . Just my opinion Enter an answer to this question.
jesse  Jul 14, 2021
Q
Does Rockford Fosgate offer a protective grille for this speaker?
chad  Apr 17, 2020
3 answers
A
Hi Chad, I am sorry, but Rockford does not offer a grille for the R2SD2-10 subwoofer.
jessica  May 05, 2020 (Staff)
A
No it does not.
dominic  Apr 30, 2020
A
No, they don't.
edgardo  Apr 30, 2020
Q
What is the best kind of box to use to put 2 of these in a single cab dodge dakota for the most bass and best sound quality?
nic  Nov 30, 2014
2 answers
A
I used this in a sealed box. I also am powering with an amp that is way to much wattage. The gain turned down about half. Depending on your power situation and of course style of music will depend on application. If underpowered, use ported boxes.
david  Dec 02, 2014
A
I built a custom box for my f-150 and only placed a single sub beacuse I did not want the bass to over power the cab. The box is 12"w 6"t 14L. I would recommend two smaller boxes instead of one long dual sub box so the air flow does not get wasted inside the box all the sound will travel from the box into the cab with two single enclosures. If you do need to make or purchase a single dual sub box make sure it has a vent tube in the center so you can get more then just one frequency of bass and all around lows. You can find plenty of diagrams online if you want to make one or you can also lok up ones made specificaly for your truck. With a single cab it might be easier to build what you want for space and location. Hope that helps and congrats on the new system.
joshua  Nov 30, 2014
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