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Rockford Fosgate

Rockford Fosgate 12" Power Series T1 DVC Subwoofer - T1D412

Abt Model: T1D412 | UPC Code: 780687328948
 Discontinued Product This item is no longer available from our website.
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Rockford Fosgate - T1D412 - Car Subwoofers
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12 Inch Power Series Subwoofer/ Dual 4-Ohm Nominal Impedance/ 1600 Watts Max Power Handling/ 3 Inch Voice Coil Diameter/ Compression Terminal Speaker Connector/ Kevlar Fiber Reinforced Paper Cone/ Rigid Die-Cast Aluminum Basket/ Anodized Aluminum Heat Sinking Dust Cap/ Black Finish
Discontinued (details)
Your Shipping Zip Code: 20149 (change)

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Product Details

Rockford Fosgate 12" Power Series T1 DVC Subwoofer, Model T1D412

The Power Series T1D412 Dual 4-Ohm subwoofer builds on innovative new Rockford Fosgate technologies. These bad boys have patented VAST technology that increases surface cone area up to 25% so the T1D412 performs like a much larger woofer over the previous model. The new FlexFit basket not only looks the part but it provides extreme flexibility for extreme installations. Clean, high tech and ready to set off car alarms, the T1D412 is here!


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


  • Size 12"
  • Nominal Impedance Dual 4-Ohm
  • Power Handling (Watts RMS)
    • 800 Watts RMS 
    • 1600 Watts MAX
  • Voice Coil Diameter 3"
  • Magnet Weight 123 oz
  • Speaker Connector Compression Terminal
  • Fs (Hz) 29.2
  • Re (Ohms) 6.5
  • Le (mH) 2.4
  • Qms 4.5
  • Qes 0.71
  • Qts 0.61
  • Vas (liters) 55.8
  • Sd (cm2 ) 548
  • SPL (dB @ 1w/1m) 85
  • Xmax 16
  • Woofer Displacement 0.099 cu.ft.
  • Cutout Diameter 11.25"
  • Mounting Depth 6.75"

Approximate Weight:

  • Shipping: 33.3 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): 1 Year Parts & Labor
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More reasons to buy the Rockford Fosgate T1D412 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Rockford Fosgate T1D412 is Brand New.
  • The Rockford Fosgate T1D412 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Rockford Fosgate 12" Power Series T1 DVC Subwoofer

Rockford Fosgate 12" Power Series T1 DVC Subwoofer


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