Hot Holiday Deals on Select Products Sitewide!
Start Here!
Hot Holiday Deals on Select Products Sitewide! Start Here!

Power 15" T1 4-Ohm DVC Subwoofer T1D415

Power 15" T1 4-Ohm DVC Subwoofer T1D415

Innovative technologies allow the T1D415 subwoofer to perform like a larger woofer over the previous model. The T1 15” features dual 4-Ohm voice coils, 1,000 Watts RMS power handling, and includes a grille with integral trim ring.

Read More
0 Reviews

The Power Series T1D415 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%. 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 T1D415 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
  • 1 Year Warranty

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

Klippel Verified
Klippel Verified

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

Stitched Tinsel Leads
Stitched Tinsel Leads

Improved reliability and performance by reducing fatigue and possible shorting.

Anodized Aluminum Voice Coil Former
Anodized Aluminum Voice Coil Former

Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to ...

VAST Surround - Subs
VAST Surround - Subs

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

FlexFit Basket - Subwoofer
FlexFit Basket - Subwoofer

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

SWIFT™ Terminals
SWIFT™ Terminals

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

Inductive Damping Heat Sink
Inductive Damping Heat Sink

Secures directly to the top of magnet structure to improve system efficiency by reducing both distortion ...

Nominal Impedance
Dual 4-Ohm
Power Handling (Watts RMS)
1000 Watts RMS
2000 Watts Max
Magnet Weight (oz)
229 oz. (6.49 kg)
Voice Coil Diameter
3.0" (75.5 mm)
Mounting Depth
8.39 in. (213 mm)
Fs (Hz)
Cutout Diameter
13.9375 in. (354 mm)
Woofer Displacement
0.191 cu. ft. (5.4 Liters)
Le (mH)
Speaker Connector
Compression Terminal
Shipping Weight
54.1 Lbs. (24.53 Kg.)
SPL (dB @ 1w/1m)
Vas (Liters)
Xmax (mm)
Re (Ohms)
Sd (cm2)
CEA-2031 Compliant
CEA-2031 Guidelines
Subwoofer Type
Voice Coil Type
Dual Voice Coil
Sealed Box Volume (Vb)
2.25 cu. ft. (63.7 Liters)
Vented Box Volume (Vb)
2.66 cu. ft. (75.3 Liters)

Return Authorization

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.

View Process



Be the first to review this product.

No reviews yet

0 Reviews
Write a Review

Be first to hear about the latest products.

Sign up for product updates.