Rockford Fosgate 12 Inch Power 4 Ohm DVC Subwoofer - T0D4-12
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$499.99 CAD

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The T0D412 subwoofer mimics its performance and design from our older Power Series brothers. Our T0 12” features dual 4-Ohm voice coils, 700 Watts RMS power handling, and includes a grille with integral trim ring.


The T0D412 12" 4-ohm Dual Voice Coil subwoofer mimics the performance and design from its older Power Series brothers. The T0 subwoofers feature VAST technology that increases surface cone area up to 25% so it performs like a much larger woofer. The FlexFit basket not only looks the part but it provides extreme flexibility for extreme installations. Clean, high tech, and high power handling characteristics let this subwoofer wear the torture-tested "Power Series" badge!

  • Anodized aluminum heat sinking dust cap
  • Kevlar fiber reinforced paper cone
  • High-temp voice coil with spun-laced Nomex® re-inforcement collar
  • Anodized aluminum voice coil former
  • Optimized and matched magnetic and complicance geometry
  • Optimized pole piece and spider venting
  • Periodic-stitched fatigue resistant tinsel lead wire
  • Rigid die-cast aluminum basket
  • Proprietary 8 AWG insulated allmetal input spring terminal connection
  • 1 Year Warranty


Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.

Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.

Improved reliability and performance by reducing fatigue and possible shorting.

Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to 100° at full power levels). Unlike traditional plastic substitutions, aluminum acts like a heat-sink to quickly dissipate thermal build-up on the voice coil. This keeps subwoofers cool during high SPL conditions.

The Vertical Attach Surround Technique significantly increases a subwoofer's effective radiating cone area up to 25%.

The slot mounted frame pattern allows fine-tuning of the subwoofer's mounting position.

Allows the voice coils to quickly be configured in a Series or Parallel wiring configuration.

SPL (dB @ 1w/1m)84.1
Mounting Depth6.875 in. (174.6 mm)
Speaker ConnectorCompression Terminal
Nominal ImpedanceDual 4-Ohm
Fs (Hz)26
Re (Ohms)6.20
Le (mH)8.4
Voice Coil Diameter3" (75.5 mm)
Shipping Weight31.16 Lbs. (14.13 kg)
Vas (Liters)55.1
Xmax (mm)14.8
Cutout Diameter11.25 in. (285 mm)
Woofer Displacement0.106 cu. ft. (3.0 Liters)
Power Handling (Watts RMS)700 Watts RMS
1400 Watts Max
Magnet Weight (oz)106 oz. (3.00 Kg.)
Sd (cm2)548

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