Rockford Fosgate Prime R2D4-12

500W Max (250W RMS) 12" Prime Stage 2 Dual 4 ohm Subwoofer

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• Peak Power: 500W
• RMS Power: 250W
• Mica Injected Polypropylene Cone
• StampCast Basket
• Anodized Aluminum Voice Coil Former
• Frequency Response: 43-250 Hz

Learn more about the r2d412
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(2) Rockford Fosgate R2D4-12 with Ported Dual Enclosure

500W Max (250W RMS) 12" Prime Stage 2 Dual 4 ohm Subwoofer

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$249.99

Rockford Fosgate R2D4-12 with Sealed Enclosure

500W Max (250W RMS) 12" Prime Stage 2 Dual 4 ohm Subwoofer

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$149.98

Rockford Fosgate R2D4-12 with Ported Enclosure

500W Max (250W RMS) 12" Prime Stage 2 Dual 4 ohm Subwoofer

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$189.99

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Product Highlights


• Peak Power: 500W
• RMS Power: 250W
• Mica Injected Polypropylene Cone
• StampCast Basket
• Anodized Aluminum Voice Coil Former
• Frequency Response: 43-250 Hz

Description


Rockford Fosgate

Authorized dealer



Eliminate Entry Level and Go Straight to Prime

Prime subwoofers are ready to rock and are the perfect first step into performance audio.The Prime R2 12" subwoofers have a peak power rating of 500 watts and a continuous RMS power rating of 250 watts. This makes them an ideal subwoofer for anyone looking to add some modest low end to their car audio system. The Prime R2 drivers feature an anodized aluminum voice coil formers for extreme heat dissipation that allow the driver to perform at optimum level during long hard hitting sessions. These subwoofers are the way to go when looking for a woofer that is built with quality & performance in mind and has been designed by industry's leading car audio manufacture.

These woofers, like their Punch brethren, are built using many of the same speaker technologies that Rockford has been famous for over 30 years for and you won't break the bank buying one. Simply put, the Prime seriesof woofers are held to the same standards of quality and performance as any other Rockford woofer but delivered at an affordable price.

 
Anodized Aluminum Voice Coil Former

Anodized Aluminum Voice Coil Former

By using an anodized aluminum voice coil former on their subwoofers, Rockford Fosgate is able to dissipate heat from the voice coil more efficiently. A hot voice coil can melt the adhesive bonds, which will lead to eventual subwoofer failure. The aluminum voice coil former acts as a heat-sink to dissipate thermal build-up on the voice coil cool during high SPL conditions.

 
CEA-2031 Rockford Fosgate Subwoofers

Conforms to CEA-2031

Rockford Fosgate has built this subwoofer to conform to the CEA-2031 loudspeaker power handling industry standards. This means that you can trust the subwoofer to have the capacity to safely handle the continuous (RMS) power rating. Having a CEA-2031 power handling is important when matching a subwoofer to an amplifier because the power ratings are accurate.

 
Rockford Fosgate Stitched Tinsel Leads

Stitched Tinsel Leads

To improve the reliability and performance by reducing fatigue and possible shorting, Rockford Fosgate has stitched the tinsel leads to the spider. The multipoint periodic stitching lead wires reduce the mass of the tinsel leads to spread the stress over a greater area. This improves the reliability and performance of the subwoofer.




Key Benefits

  • 12" Dual 4 ohm Prime Stage 2 Series Subwoofer
  • Power Handling:
    • Peak: 500 watts
    • RMS: 250 watts
  • Recommended power range: 200 - 300 watts RMS
  • CEA-2031 Compliant
  • Klippel Verified
  • 12 AWG compression terminals
  • Anodized aluminum voice coil former
  • Injection molded polypropylene cone
  • Tear & fatigue resistant poly-cotton spider
  • StampCast basket with integrated spider venting
  • Linear spider with embedded 16 AWG tinsel leads
  • High density compressed half-roll sealed poly-foam surround
  • Optimized motor magnetics with extended pole and bumped vented backplate
  • Fatigue resistant and reduced strain "stitched on" flexible lead wire design
  • Multi-point high-temp/high-strength neck joint bonding technique
  • Semi-flexible PVC removable protective motor cover
  • Optimized for both sealed and vented enclosures
  • All metal compression input terminal assembly
  • Heavy guage proprietary stamped steel frame
  • Mounting Depth: 5.067"
  • Cutout Diameter: 11.25"
  • Magnet Weight: 47.70 oz
  • Frequency Response: 43 - 250 Hz
  • Xmax: 6.5 mm
  • Sensitivity: 89 dB @ 1 watt / 1 meter
  • Recommended Ported Enclosure: 1.79ft³ @45.0 Hz
  • Recommended Sealed Enclosure: 1.02ft³ @51.1 Hz
  • Matching Amplifiers: (one driver)
  • Matching Amplifier: (two drivers)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Check out the Rockford Fosgate R2D4-12 Owner's Manual

Check out the Rockford Fosgate R2D4-12 Data Sheet

Tips for Installing the R2D4-12 Subwoofer


Subwoofer Wiring Guide


Wiring Guide to Wire 1 Rockford Fosgate Prime R2D4-12 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Rockford Fosgate Prime R2D4-12 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Rockford Fosgate Prime R2D4-12 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Rockford Fosgate Prime R2D4-12 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
Prime R2 Series
Subwoofer Size
12"
Peak Power Handling
500 watts
RMS Power Handling
250 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
2"
Frequency Response
43 - 250 Hz
Sensitivity
89 dB
Xmax (millimeters)
6.5 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Mica Injected Polypropylene - MIPP
Woofer Surround
Poly-Foam
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Optimum Sealed Box Volume
1.02 cubic feet
Optimum Ported Box Volume
1.79 cubic feet
Top-Mount Depth (Mounting Depth)
5.067"
Cutout Diameter
11.25"
Shallow Mount Installation
No
Electromechanical Parameters
Free-Air Resonance (Fs)
34.9 Hz
Equivalent Compliance (Vas)
68.8 liters
Total Speaker Q Value (Qts)
0.60
Electrical Q Value (Qes)
0.66
Electrical Resistance of Voice Coil (Re)
7.17 ohms
Mechanical Q Value (Qms)
7.33
Efficiency Bandwidth Product (EBP)
52.88
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

R2D4-12

Weight:

10.00lbs

Internal SKU:

r2d412

Internal Product ID:

33744

Product and How-to Videos


  • Rockford Fosgate Prime Stage 2 Car Subwoofers
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?
  • How to Install a Car Subwoofer in a Box

Customer Ratings & Reviews



5 star
85%
4 star
8%
3 star
0%
2 star
0%
1 star
8%



Durability
4.4
Value
4.6
Features
4.5
Design
4.6
Usability
4.6

Customer Reviews

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Great value!

Got it about 6 months ago. Put in my Ford Ranger and bass sound from this is just what I was looking for. I now can thump like the kids down the street. I would recommend this. Thumbs up!

By Mario on March 15, 2012

46

found this helpful.

garbage ....

I bought a pair to go behind a 1200watt amp. They blew up in a day. I wasn't even listening to loud or music with lots of bass. They just burnt up. Thought my installer wired em wrong so I ordered another pair and had another professional wire them in... Blew them again in 2 days. Gain was low on the amp ... These are cheap for a reason.

By billy on October 22, 2013

51

found this helpful.

Nice budget subwoofer

I have one these in a 2 cubic foot sealed box in my 94 civic coupe and it sounds awesome with any music. Its paired with a Rockford Fosgate Prime 250-1 and a Stinger amp kit. I've put the sub and amp through hours of abuse and never had a problem. I had two Kicker Comp 12's in there with an Alpine 500 in a ported box at 35 hz and they didn't sound near as good as this one subwoofer. This subwoofer isn't going to rattle the car next to you but you will be heard. I have people asking me what I have back there and I say its a 12 with 250 watt amp and they think I have a 15 back there. I'm like yeah you can have awesome bass without upgrading your alternator and battery. Just do your research and you might be surprised with lower end name brand audio equipment. Hope this review helps.

By Zach on May 17, 2015

41

found this helpful.

Deyz little thangs bang

Aww man these bad boys hold there own had two in my girls firebird on a 1000 watt amp and let me tell you they got down right busy they embarrassed my homeboys 3 10" kickers made my love for Rockford that much stronger make sure you properly break them in though cuz they will stink up the ride when abused lol but I fully recommend for the casual bass addition not so much for the junkies like myself

By Doonie on July 20, 2014

41

found this helpful.

Rockford Fosgate R2D4-12 (R2D412)

This sub is amazing. At first i was shotty of the prime series, but have i ever been proven wrong. i have 2 of these hooked up to a punch 500-2, and they slam hard. i do suggest a ported box. for the price, they are amazing

By Noah on July 23, 2011

40

found this helpful.

Great Subs

Bump hard and friends are jealous. Couldn't ask for more.

By Josh on February 23, 2014

36

found this helpful.

Speakers

I've owned allot Rockford fosgate speakers and always very pleased with there sound and power of them

By Keith on March 29, 2014

31

found this helpful.

powerful subs, MUST buy

These subs hit HARD, i have 2 in the trunk of my Ford Focus sedan with a crossfire C3501 amp, and ive been running this system for about 6 months. It has won me some money, and even been in the top 10 of audio comps, these subs handle power well, and ive been pushing them hard for 6 months, and they run like a charm, the range is really good, but they hit the hardest between 30 and 75hz, If your looking for a good alternative to kicker CVR's or Apline type R's, these are your go to, and for a great price. I plan on upgrading to a 3 12's with these exact subs. I must say I love Rockford Fosgate and am a life-long buyer.

By Josh on October 8, 2012

29

found this helpful.

great for money

i love the look and quality of these subs, always trust rockford fosgate, they are a reputable company with quality products i had two of these in a small slanted box and they sounded great. with the right amp they will pound.

By alex on July 28, 2012

29

found this helpful.

Great Bass

I wanted some bass but this provides A LOT of bass. It sounds great but still allows you to hear the high frequency sounds. The bass is not distorted either.

By DRS37129 on June 12, 2012

30

found this helpful.

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