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Rockford Fosgate T0D412 (T0D4-12)

12" Dual 4 Ohm Power T0 Series Car Subwoofer

  • 4.8

(8 reviews)

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$399.95

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A New Kind of Rockford Power

Sonic Electronix is now carrying the brand new 2011 line of Rockford Fosgate Power T0 Series Car Audio Subwoofers. The Rockford Fosgate T0D412 12" Subwoofer has a peak power rating of 1400 watts and a RMS rating of 700 watts, which will produce some ground rumbling bass. The subwoofer is constructed with a kevlar fiber reinforced paper cone for added durability, and a vertical attach surround technique that will increase maximum output. This woofer is also equipped with a 3" Voice coil and a anodized aluminum heat sinking dust cap for heat dissipation and minimization of distortion. Add some bumps in your trunk and enhance your cars stereo system with this Rockford Fosgate T0D412 Power T0 Series Subwoofer.

 
Rockford Fosgate Swift Terminals

SWIFT: Selectable Woofer Impedance Fused Termination

Making installation faster and easier, Rockford Fosgate developed SWIFT terminals. This system allows the nominal impedance of voice coils to quickly be configured in a Series or Parallel wiring configuration. Removing and inverting the center plug, a Series or Parallel wiring configuration is accomplished. The removable jumper also provides fused protection in severe overload conditions.

 
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.

 
Rockford Fosgate VAST Surround

VAST: Vertical Attach Surround Technique

In order to increase the surface area of the cone without causing any installation issues, Rockford Fosgate designed the Vertical Attach Surround Technique (VAST). By redesigning the manner in which the surround adheres to the basket, these speakers gain up to 25% more effective radiating cone area. This improves the nominal efficiency and maximum output.

 
Product Features
  • 12" Dual 4 Ohm Power T0 Series Subwoofer
  • Power Handling:
    • Peak: 1400 watts
    • RMS: 700 watts
  • Impedance: 4 ohm
  • Kevlar fiber reinforced paper cone provides stability and durability
  • Vertical attach surround technique (VAST) provides up to 25% more effective radiating cone area
  • Anodized aluminum heat sinking dust cap allows air flow to keep woofer ventilated
  • Anodized aluminum voice coil former provides superior heat dissipation and keeps the subwoofer cool during high SPL conditions
  • Flex fit basket utilizes slots instead of single screw sized holes and allows fine-tuning of the speaker's mounting position
  • Stitched tinsel leads withstand extreme duty cycles, fatigue and high current
  • SWIFT terminals allow nominal impedance of voice coils to quickly be configured
  • CEA-2031 certified means your speaker has the capacity to handle power under continuous demand
  • 3" High-Temp voice coil with spun-laced Nomex re-inforcement collar
  • Double stacked ferrite magnet structure
  • Optimized and matched magnetic and compliance geometry
  • Optimized pole piece and spider venting keeps voice coil cool
  • Proprietary 8 AWG insulated all metal input spring terminal connection
  • Sensitivity: 84.1 dB
  • Xmax: 14.8 mm
  • Mounting Depth: 6-7/8"
  • Cutout Diameter: 11-1/4"
  • 1-year Manufacturer's warranty
Subwoofer Specifications
Subwoofer Series Power T0
Subwoofer Size 12"
Peak Power Handling 1400 watts
RMS Power Handling 700 watts
Voice Coil(s) Dual
Impedance (Per Voice Coil) 4 ohms
Voice Coil Diameter 3"
Frequency Response Not specified by manufacturer
Sensitivity 84.1 dB
Xmax (millimeters) 14 mm
Subwoofer Design Round / Circle
Main Cone Color Black
Woofer Composition Kevlar Reinforced Pulp (Paper)
Woofer Surround VAST
Magnet Structure Double Stacked
Subwoofer Grille Yes - Included
Re-Cone Kit Available No
Recommended Enclosure Specifications
Recommended Enclosure Type Ported / Vented
Sealed
Minimum Sealed Box Volume 1.25 cubic feet
Maximum Sealed Box Volume 1.25 cubic feet
Minimum Ported Box Volume 1.75 cubic feet
Maximum Ported Box Volume 1.75 cubic feet
Top-Mount Depth 6-7/8"
Cutout Diameter 11-1/4"
Shallow Mount Installation No
Electromechanical Parameters
Free-Air Resonance (Fs) 26 Hz
Equivalent Compliance (Vas) 55.1 liters
Total Speaker Q Value (Qts) 0.53
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Sonic Electronix
Customer Review Summary for Rockford Fosgate T0D412 (T0D4-12)
Average Customer Rating is 4.8 out of 5 stars:
  • 4.8
based on 8 Reviews
Share your thoughts with others:
Rating Distribution:
5 star:
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88%
4 star:
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0%
3 star:
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13%
2 star:
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0%
1 star:
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Average Attributes Rating:
Durability
  • 4.4
4.4
Value
  • 4.4
4.4
Features
  • 4.6
4.6
Design
  • 4.9
4.9
Usability
  • 4.6
4.6
what's this?
Quick Comparison:
Most Helpful Customer Reviews:
May 6, 2013 awesome
Review by
Bryce from Denham Springs, LA
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
friend has 2 of these in a little 2 door tiburon. they are so loud and have great sound. love them
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April 1, 2013 great sound
Review by
logan from bourbonnais,Il.
Overall
  • 5.0
Durability
  • 4.0
Value
  • 4.0
Features
  • 4.0
Design
  • 5.0
Usability
  • 4.0
i blew a voice coil within a couple months , i used the warranty from manufacturer and got a new one .so far after six months the replacement is still bangin.This 1 12 inch sub sounds like 2 10inch subs.
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December 25, 2012 the best
Review by
rdog from det mi
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
The rockford t0 is the best subwoofer's I have had so far
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September 1, 2012 GREAT SUB!!
Review by
sonic customer from midland ohio
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 3.0
this sub has clear, loud bass. i have only one set up at half power. and it was still wayyyyyyyyyyy louder then my old kickers
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August 23, 2012 T0D412 "Just WOW
Review by
Ray from Nixa
Overall
  • 5.0
Durability
  • 4.0
Value
  • 3.0
Features
  • 5.0
Design
  • 4.0
Usability
  • 5.0
I bought 2 of these about 6 months ago and I still love them.

The only difference between the T0 and the T1 is that the T1 runs cooler. I have a rockford T1500bdcp Amp on them and it's too much for them but at least my amp don't run hot. The T0D412's Hit very low and hard and you can fill the ground shake 5 feet away from my truck.

I would recommend them to anyone that likes loud, low hitin subs.
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View All 8 Reviews for Rockford Fosgate T0D412 (T0D4-12)
Subwoofer Grilles
Protect your subwoofer while making your enclosure look great! These subwoofer grilles are the perfect addition to your new subwoofer.
  Product Price Add?
12" Universal Subwoofer Grille 12" Universal Subwoofer Grille
Protect your subwoofer with this aluminum grille that is simple to install.
$18.99
Speaker Wire
Choose from our recommended speaker wire to hook up your amplifier to your new subwoofer. The higher quality of speaker wire that it used for this connection, the better your subwoofer will sound.
  Product Price Add?
15 ft. of 12 AWG StreetWires Speaker Wire 15 ft. of 12 AWG StreetWires Speaker Wire
This SuperCable from StreetWires is a noise free link between your amplifier and your subwoofer.
$24.99
20 ft. of 12 AWG Kicker Speaker Wire 20 ft. of 12 AWG Kicker Speaker Wire
Kicker uses twisted pair technology and hyper-flex cable to provide you with the cleanest sound and a simple installation.
$39.95
Sound Dampening Material
Get the most sound out of your new subwoofer with some high quality sound dampening material. It will keep the road noise out and the music inside the car.
  Product Price Add?
Dynamat Rubber Roller Dynamat Rubber Roller
Install your Dynamat with ease! This heavy duty rubber roller is designed specifically to install your Dynamat!
$18.99
Dynamat Extreme Bulk Pack Dynamat Extreme Bulk Pack
36 ft. Dynamat Xtreme Bulk Pack enhances the sound for your entire car!
$159.99
Bass Reconstruction Processors
These sound processors are perfect for enhancing the lower frequencies of a car audio system. After some installation and tuning, your new system will sound better than ever!
  Product Price Add?
The Epicenter by AudioControl (Gray) The Epicenter by AudioControl (Gray)
The original bass booster expander with included remote will enhance the bass of your new system.
$159.99
Enclosure Accessories
These accessories are designed to help you build the custom enclosure that you have always wanted, or add to the box that you already bought. Either way, these products can assist you in achieving better sound, better looks, and more bass!
  Product Price Add?
20 oz. Bag of Poly-Fil 20 oz. Bag of Poly-Fil
Polyester fiber fiberfill adds better bass to your system.
$5.99
16 oz. Can of Adhesive Spray 16 oz. Can of Adhesive Spray
Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.
$5.99
Binding Post Terminal Cup Binding Post Terminal Cup
Use this to easily install a binding post terminal to your subwoofer enclosure.
$4.99
Banana Clip Terminals Banana Clip Terminals
These high grade banana clips allow you to plug into your banana clip ready terminal for a secure connection.
$4.99
Installation, Tools & Accessories
Don't forget to get the tools and accessories that will help you install your new subwoofer in your vehicle. Whether you opt for the professional installation card or the do-it-yourself method, you will need the following to help you out!
  Product Price Add?
Car Stereo and Speaker / Subwoofer Installation Tool Kit Car Stereo and Speaker / Subwoofer Installation Tool Kit
Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.
$14.99
System Optimization and Tuning
Use these items to assist in testing and tuning your new car audio system to perfection!
  Product Price Add?
Scosche SPL Meter Scosche SPL Meter
Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.
$24.99
AutoSound 2000 CD-101 AutoSound 2000 CD-101
Low frequency test CD
$12.99
AutoSound 2000 CD-102 AutoSound 2000 CD-102
High frequency test CD specifically designed for the set-up and evaluation of sound system imaging and placement.
$12.99
AutoSound 2000 CD-103 AutoSound 2000 CD-103
Audiophile reference series test disc for evaluation of all audio components.
$12.99
Main Product
  Product Price Add?
Rockford Fosgate T0D412 Rockford Fosgate T0D412 (T0D4-12) $209.95

For more information on wiring subwoofers, visit our Subwoofer Wiring Guide: Subwoofer Wiring Guide

Product Summary

Manufacturer: Rockford Fosgate
Model number: T0D412
UPC: 780687332860
Weight: 30.00 lbs
Internal SKU: t0d412
Internal product ID: 34868