Rockford Fosgate Power T2D412

1200W 12" Power T2 Series Dual 4 ohm Subwoofer

Product videos

• 2400W Peak
• 1200W RMS
• High Excursion Thermo-Rubber Surround
• Parabolic Triangular Cone Geometry Support System
• Removable And Reversible Screw Concealing Ring

Learn more about the t2d412

We apologize

This item has been discontinued

Product Highlights

• 2400W Peak
• 1200W RMS
• High Excursion Thermo-Rubber Surround
• Parabolic Triangular Cone Geometry Support System
• Removable And Reversible Screw Concealing Ring


Rockford Fosgate

Authorized dealer

Too Much Power To Handle

The T2D412 Power Series 12" Subwoofer by Rockford Fosgate has a peak power rating of 2400 watts and a RMS rating of 1200 watts. With this much power you can rest assure that you will be the envy of your block, as you stroll down your street with some car rattling bass. Constructed with a hard anodized cone and dust cap for strength and durability the Power Series subs will keep going now matter how long your listening sessions last. Also equipped with Inductive Damping Heat Sink, that helps radiate heat to reduce the voice coil temperature and keeps the sub operating at a safe operating temperature when pumping out high amounts of SPL. If you are looking to take your car audio system to the next level, the T2D412 will not only overwhelm you but simply blow you away.

Aluminum Dust Cap Cone

Aluminum Dust Cap & Cone

To increase the strength, weight, and thermal capacity of the subwoofer, a hard anodized cone and dust cap has been used. A Parabolic triangular cone support is used to reduce piston flex and cone distortion. The result is excellent heat transfer, reduced distortion, higher power handling, and a better sounding subwoofer!

IDHS Inductive Damping Heat Sink

IDHS: Inductive Damping Heat Sink

By securing the Inductive Dampening Heat Sink (IDHS) to the top of the magnet structure, Rockford Fosgate is able to improve the efficiency of their drivers. This is accomplished by reducing the amount of distortion and back Electro-Magnetic Force (EMF). The IDHS also radiates heat to reduce the temperature in the voice coil.

Rockford Fosgate inverted mounting

Reverse Mounting Compatible

The removable trim ring can be installed in the front or back side of the subwoofer. This enables the subwoofer to be mounted in either direction. No matter which way you install the subwoofer, it will still look great with a cosmetically finished look. Inverted mounting of the sub shows off the large magnet structure of this giant subwoofer.

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.


General Features:

  • 12" Dual 4 ohm T2 Power Series Subwoofer
  • Power Handling:
    • Peak: 2400 watts
    • RMS: 1200 watts
  • Impedance: Dual 4 ohm
  • Hard anodized aluminum dustcap and cone
  • High excursion Thermo-Rubber Santoprene surround
  • Mirror image symmetrical tear and fatigue resistant poly cotton spider
  • Parabolic triangular cone geometry support system
  • Precision cast and vented aluminum alloy basket and rigid frame
  • Optimized motor magnetics with extended vented pole and bumped backplate
  • Die-cast motor case and heatsink
  • Removable and reversible screw concealing ring
  • Ultra-high temp anodized aluminum voice coil and former
  • Fatigue resistant and reduced strain "stitched on" flexible lead wire design
  • Multi-point high-temp/high-strength neck joint bonding technique
  • Spun-laced Nomex insulating reinforcement collar
  • (IDHS) Inductive Damping Heat Sink
  • Custom insulated/isolated compression input terminal assembly
  • Flat edge wound copper clad aluminum wire
  • Triple stacked ferrite magnet structure
  • Sensitivity: 83.1 dB
  • CEA-2031 Compliant
  • 1-year warranty

Package Includes:

  • Power DVC Subwoofer
  • Trim Ring
  • 4 Socket Head Trim Ring Screws
  • 8 Socket Head Wood Screws
  • Socket Head Driver Bit
  • Installation and Operation Manual
Tips for Installing the T2D412 Subwoofer

Product history:

Rockford Fosgate T2D412 thumbnail
(newest, current model)
Rockford Fosgate T212D4 thumbnail
(previous model, replaced by Rockford Fosgate Power T2D412)

This item is currently not eligible for our low price guarantee. This may be due to supply constraints, manufacturer restrictions, or another reason. We're always here to help you get the best price possible so give us a call or email today. Our experts will do their best to build the system that works for you within the rules.

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Rockford Fosgate Power T2D412 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Rockford Fosgate Power T2D412 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 Power T2D412 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Rockford Fosgate Power T2D412 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Power T2 Series
Subwoofer Size
Peak Power Handling
2400 watts
RMS Power Handling
1200 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Voice Coil Material
Voice Coil Diameter
83.1 dB
Xmax (millimeters)
19 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Anodized Aluminum
Woofer Surround
Magnet Structure
Triple Stacked
Magnet weight
Magnet Type
Subwoofer Grille
Re-Cone Kit Available
CTA-2031 Compliant
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Minimum Sealed Box Volume
0.75 cubic feet
Maximum Sealed Box Volume
1.50 cubic feet
Minimum Ported Box Volume
1.75 cubic feet
Maximum Ported Box Volume
2.25 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
39.9 Hz
Equivalent Compliance (Vas)
13.6 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
6.8 ohms
Mechanical Q Value (Qms)
What is in the box?
WITB: Subwoofers
Other Accessory #1
Other Accessory #2
Other Accessory #3
Other Accessory #4
Other Accessory #5
Other Accessory #6
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:




Internal SKU:


Internal Product ID:


Product and How-to Videos

  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • Rockford Fosgate T2 Power Series Car Subwoofer
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?
  • How to Install a Car Subwoofer in a Box

Customer Ratings & Reviews

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I have 2 of these

I have these powered by a T2500 cp and it POUNDS! My windshield needs to be reinstalled because it blew the seal! These subs sound great and shake my neighbors house so bad he complained about stuff falling off his walls!

By Jason B on March 28, 2011


found this helpful.

Amazing quality, Could not be happier!

Ordered a set of these for my '98 Cirrus. One of the main reasons I ordered these was the material and craftsmanship. My last set of subs also had an aluminum cone, and I adored them to no end! I could not bring myself to pay this kind of money for a sub with a paper cone (and yes, I know some brands make better subs with paper cones, they just aren't for me). When the subs finally came in, they were just as impressive looking as I had hoped! The build was fantastic! The spring terminals were very strong, no fear of the wires shaking loose! They are loud and proud even with only 500watts each! Can't wait to have my local shop build a custom box for em, and get a T1500 amp for these bad boys later on down the road!

By Tyler on September 17, 2013


found this helpful.

not all that

I have a Rockford Fosgate 3000.1 BD amp. My Kicker l 5 blew, so I got the T2D412 thinking it would be better. I was wrong. If I could send it back, I would get the Kicker L7. The Rockford doesn't sound that good or that loud. I thought T2 would sound a lot better then they do. They also can't handle the amp that well. Sonic did a good job sending these to me, but they are not worth the money that I paid for.

By Thaddius on November 23, 2011


found this helpful.

Two T2D412 subs pound! Even better in a custom Rockford spec box!

I have these subs set at 3 on my gains on a T-2500bdcp and I haven't even budged it over 3 and at full volume they POUND no joke, your tonsils will be dancing and your passenger will be shocked at how loud these 12's will hit. Rockford all day, everyday!

By Wayne K. on August 28, 2014


found this helpful.


These are the best subs on the market!!!!! Don't let any other sub get your attention. If you wanna be the best, you have to have the best, and the best is the T2s. i have 2 of these in the trunk of my skyline. I have two T2500.1 running 1 for each sub, and no one has every beat me at a competition. Btw this is the second time I've had this set up. The first time I got these subs they were taken from me because I got 3 sound violations and they took my subs.

By N/A on October 7, 2010


found this helpful.


These subs will drop some lows for sure unfortunately my box and port is too small even with them inverted,it was built for my old (silver) T1D412's and isn't near enough for these subs full potential output. I'm currently looking into buying/building a proper sized box for them to get the most out of them. Powering 2 of these T2D412's with a RF T2500.1bdcp amp and it just hits crazy hard,just posted a review of that amp as well,great combination

By John on April 24, 2013


found this helpful.

Great buy

what can i say?really was a smart choice.i have one in a ported box tuned to 40hz and this sub gets down!as of right now im the only one where im from that has this sub. people freak out that this is a single sub cause it hits harder than two 12s. I've been through 20+ different sets of subs from kickers to jl audio to crossfire to RE Audio,the list goes on, and now im so happy i wanna sell this one and buy two brand new!

By Mateo671 on November 17, 2012


found this helpful.

Monster in my trunk

The guys or so different from other subs. If you need something that makes your car shake then these are the beasts that you should have in the trunk. I prefer these in a bigger car cause putting these in small cars will screw your car up. By the way To make them sound better you need a bigger amp.

By DamnIzThatOreo on December 28, 2011


found this helpful.

Crazy sub!!

I have one of these in a small chevy cobalt and, that thing pounds.. its alot louder than the 2 P3s i had before.. Im glad i put some dynamat in the trunk. If u get this sub u gonna need some dynamat..

By Avian Graham on April 20, 2011


found this helpful.

the third review

i know about db levels and the guy that said he hits 198 or what ever bd level it is is full of crap. the world record is 182bds and that is with 8 15" subs. but these subs do hit extremely hard so i would recomend anyone to buy them

By mike on November 9, 2010


found this helpful.


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20 Square Feet of Sound Dampening Material

NVX Sound dampening is thicker than competitors, eliminates rattles and gives you bigger bass!



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Gold Plated Dual Terminal Banana Plug Connector

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