Why Choose Crutchfield?
Great gear and expert advice
Our experts help you pick the ideal gear for your needs.Meet our advisors
Free tech support for the life of your gear.Read about our one-on-one expert help
You may return items that are complete and like new for any reason within 60 days.See the details of our return policy
Earn one point for every dollar you spend and use those points to save on future purchases.Get full details on Crutchfield Rewards
Deep discounts on car installation gear
We offer vehicle-specific installation instructions, dash kits, wiring harnesses, and speaker accessories at deeply discounted prices with car stereo and speaker purchases. Available for most vehicles.Learn more
Trusted since 1974
Our customers have trusted us with their business, and they’ve helped us win awards for our service.Check out our most recent awards
The manufacturer’s warranty always applies.See more details
Rockford Fosgate R2D2-12
Prime R2 Series 12" subwoofer with dual 2-ohm voice coils
Item # 575R2D212 | MFR # R2D2-12
Special Purchase: -$10.00
$69.99 each Earn up to 70 Rewards points
Offers & Financing
Our take on the Rockford Fosgate R2D2-12 by Crutchfield's Jo Greene
Rockford Fosgate's Prime R2 subs deliver strong bass in your car, and they are definitely built to last. The R2D2-12 sub features a 12" 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 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.
To drive this single subwoofer, we recommend a mono amplifier rated between 200 and 375 watts RMS at 4 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.
Rockford fosgate ..hits hard
Pablo, Redding California
What's in the Box:
- One 12" Dual 2-ohm voice coil subwoofer
- Eight 1-1/8" Allen head screws
- 4mm Allen head bit
- Installation/Operation manual (English/ French/ Spanish/ German)
- 12" subwoofer with dual 2-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: 43-250
- sensitivity: 89 dB
- top-mount depth: 5-1/8"
- sealed box volume: 1.02 cubic feet
- ported box volume: 1.79 cubic feet
- warranty: 1 year
- Our 60-day money-back guarantee
Rockford Fosgate R2D2-12 Reviews
Average Customer Review(s):
Thanks for submitting your review
Features and Specs
|Impedance||1 ohm or 4 ohms|
|Cone Material||Mica injected poly|
|Ideal Sealed Box Volume (cubic feet)||1.02|
|Ideal Ported Box Volume (cubic feet)||1.79|
|Port diameter (inches)||4|
|Port length (inches)||9.3|
|Dual Voice Coil||Yes|
87 dB at 1 watt
|Frequency Response||43 - 250 Hz|
|RMS Power Range (Watts)||50-250|
|Peak Power Handling (Watts)||500|
|Top Mount Depth (inches)||5 1/4|
|Bottom Mount Depth (inches)||N/A|
|Cutout Diameter or Length (inches)||11 1/16|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Overview: The Rockford Fosgate Prime R2D2-12 is a 12-inch subwoofer with dual 2Ω 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 R2D2-12 subwoofer features a StampCast steel basket for added rigidity.
Compression Terminals: The Prime R2D2-12 features spring post terminals which accommodate speaker wire up to 12 gauge.
CEA-2031 Compliant: Power handling on the Rockford Fosgate Prime R2D2-12 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 1.02 cubic feet (from 0.75 to 1.25 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 1.79 cubic feet using one 4" diameter x 9.3" long port; this yields a tuning frequency of 45 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 verify what’s in the box, 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.
Why did you buy this?
I want it [ Jonathan David May 19, 2017 ]
Great reviews, amazing price with free shipping!! Fits my needs/space/budget and new sub box. I've bought quite a bit from CRUTCHFIELD and havnt regretted a single purchase. Customer for ever!!!!!!!!! [ Christian May 18, 2017 ]
Love these! great thump! [ Christina Feb 14, 2017 ]
I love Rockford products and I already have one in my car .. [ Michael Jan 31, 2017 ]
Replacement sub for R1-12 sealed box, wire the duel voice coils in series to get 4 ohms. [ JOHN PATRICK Apr 24, 2016 ]
I trust the brand ... Great sound!!!!!! [ Sam Dec 11, 2015 ]
1 question already asked
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy Oct 16, 2015 ] Staff