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Rockford Fosgate Power T1D412

1600W Peak (800W RMS) 12" Power T1 Series Dual 4-ohm Subwoofer

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• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 4 ohms
• Kevlar Reinforced Semi-Pressed Paper Cone
• Rubber Surround
• Mount depth: 6.75"
• Sensitivity: 85 dB

Learn more about the t1d412
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$449.99

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Rockford Fosgate Power T1D412

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Product Highlights


• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 4 ohms
• Kevlar Reinforced Semi-Pressed Paper Cone
• Rubber Surround
• Mount depth: 6.75"
• Sensitivity: 85 dB

Description


Rockford Fosgate brand icon

Authorized dealer

Product Details:

  • 12" Dual 4 ohms Power T1 Series Subwoofer
  • Power Handling:
    • Peak: 1600 watts
    • RMS: 800 watts
  • Kevlar Reinforced Semi-Pressed Paper Cone
  • Rubber Surround
  • Hard anodized aluminum dust cap
  • Tear & fatigue resistant poly-cotton spider
  • Optimized motor magnetics with extended vented pole and bumped backplate
  • Proprietary spider cooling vents
  • Rigid die-cast aluminum frame
  • Proprietary SWIFT™ terminal (Selectable Woofer Impedance Fused Termination)
  • Inductive Damping Heat Sink.
  • 3" High Temperature Aluminum Voice coil
  • 16 mm Xmax
  • Double Stacked Ferrite magnet motor structure
  • Resonance Frequency (Fs): 28 Hz
  • Sensitivity: 85 dB
  • Recommended sealed box volume: 1.25 cubic feet
  • Recommended ported box volume: 1.75 cubic feet
  • Top-mount depth: 6.75"
  • Cutout diameter: 11.25"
  • CTA-2031 Compliant
  • Authorized Internet Dealer
  • Includes protective subwoofer grille
  • 1-year Manufacturer's Warranty

  • Priced Individually


Check out the Rockford Fosgate T1D412 Owner's Manual

Product history:

Rockford Fosgate T1D412 thumbnail
(newest, current model)
Rockford Fosgate T112D4 thumbnail
(previous model, replaced by Rockford Fosgate Power T1D412)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Rockford Fosgate Power T1D412 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Rockford Fosgate Power T1D412 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 T1D412 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Rockford Fosgate Power T1D412 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
Power T1 Series
Subwoofer Size
12"
Peak Power Handling
1600 watts
RMS Power Handling
800 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohms
Voice Coil Material
Aluminum
Voice Coil Diameter
3"
Sensitivity
85 dB
Xmax (millimeters)
16 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Kevlar Reinforced Semi-Pressed Paper
Woofer Surround
Rubber
Magnet Structure
Double Stacked
Magnet Type
Ferrite
Subwoofer Grille
Yes - Included
Re-Cone Kit Available
No
CTA-2031 Compliant
Yes
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.25 cubic feet
Minimum Ported Box Volume
1.75 cubic feet
Top-Mount Depth (Mounting Depth)
6.75"
Cutout Diameter
11.25"
Shallow Mount Installation
No
Electromechanical Parameters
Free-Air Resonance (Fs)
28 Hz
Equivalent Compliance (Vas)
55.8 liters
Total Speaker Q Value (Qts)
0.52
Electrical Q Value (Qes)
0.59
Electrical Resistance of Voice Coil (Re)
3.25 ohms
Mechanical Q Value (Qms)
4.50
What is in the box?
Paperwork
User manual
Quick start guide
WITB: Subwoofers
Subwoofer
Grille (detached)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

T1D412

Weight:

35.00lbs

Internal SKU:

t1d412

Internal Product ID:

22589

Product and How-to Videos


  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • 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
81%
4 star
15%
3 star
0%
2 star
4%
1 star
0%



Durability
4.7
Value
4.6
Features
4.8
Design
5
Usability
4.9

Customer Reviews

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Holy bass!

This subwoofer is absolutely incredible! The bass is so clean and loud all without missing a beat, it puts out an insane amount of air. It also comes with security screws and a special drill bit to make sure not just anyone can remove it along with its own grille which was a nice bonus. I expect to be using this subwoofer for a long while. The only minor problem that I encountered was that the basket of this subwoofer had a little bit larger ridges so I had to modify my box a little bit but not a big problem for this absolute beast of a subwoofer!

By Kevin on November 14, 2014

50

found this helpful.

Thunder

Sounds great it's almost a little too much. I have it paired with an Audiobahn. This thing out performs anything I've ever heard. High Quality sound, not too bad on price. Be sure to understand it does require I think an 11" or 11.5" diameter opening. You may need to do some cutting on your box. Otherwise highly recommended. You won't regret spending a little more.

By Vm on June 4, 2012

48

found this helpful.

Great Sub

Heard one of these playing it sound quite wonderful the bass is clear and solid and sounds different to other subs. Talk about built it's the best and my most loved feature is the copper heatsink within to draw heat away from the huge voice coil so you can play longer and cooler unlike other brands

By MICHAEL on May 28, 2011

47

found this helpful.

Awesome subs!!!

I've had to of these powered by a RF P1000.1 for over 4 years now and they're still slamming, once they break in they are beastly. I pulled everything from my truck to get it painted and I'm upgrading to a RF T2500.1bdcp, 2 T2D412's and a RFC10HB and can't wait to install them. Also having to do some additional power upgrades as well but thanks to Sonic Electronix for having everything I need.

By JJ on November 26, 2012

45

found this helpful.

Great Sub

I have two of these in a ported max flow box built to specs ran by an alpine 2 channel 2000 watt amp with a 0 gauge power lead and a 4 gauge lead going to each terminal. They sound better than any other subs that i have had and all my friends love them. The bass is very accurate and has a very solid kick to it. You can even run more than the recommended max power to it if you know what your doing.

By Ricky on October 8, 2012

44

found this helpful.

Awesome Sub

I have one right now at 4ohms running on brutus brz 1700.1 @ 600 watts and this thing pounds really loud and very deep bass my box is 1.75 l ported, im planning to get another one and bring it down to 2ohm to get 1200 watts on the BRZ. i was debating in getting the 2ohm load to get to 1ohm at 1700watts but it might damage the Sub but 1200 for 2 sub should be more than adequate.

By mainard on March 23, 2012

43

found this helpful.

T1D412

T1 subs thump bass, PERIOD !!
If you can fit them in your ride, pick up
one or two.

By Southpaw on November 5, 2014

43

found this helpful.

never consider any others

Everytime someone hears my sub for the first time they ask how many subs i have. once they find out I have one it blows their mind. If u don't want to take a lot of space but still want to thump outta control then this will do the job I am now and will forever be rockin fosgate after owning this sub

By william on June 9, 2013

42

found this helpful.

BUY THESE SUBWOOFERS

So i have two of these now just got them from this site. sonicelectronix.com with a 3.4 cubic feet box, and these just hit so hard on every tone so clean like nothing! i have them wired to 1 ohm and a 1000.1bd rockford fosgate amp (underrated amp) really is 1414 rms amp and i have it turned up just over half way and it will hurt your ears if you want power and some really clean bass get these.
i had 4 rockford fosgate p3 subwoofers and just 2 beat all 4 of them!!

its insane if you dont get these subs your insane!

(p..s) make sure you have a extra battery and good alternator your lights will dim to power these sub's

By Ryan on January 22, 2011

43

found this helpful.

WOW!!

I have one in an ext cab F-150 running at 2 ohms on a ZX1000.1 and it just pounds. its in a ported box built to spec. I got the amp on 4 AWG power and ground and the sub on 10 AWG. beore that i had 2 CVR 12s on a memphis 1100 and this one 12 puts both to shame, nothiong compares to it!!! for just one 12 it sounds like you have 3. best sub i have ever had!!!

By Phillip on September 3, 2012

39

found this helpful.

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