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  • Power surge covered from day one. Other breakdowns covered after the manufacturer's warranty expires.
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  • File a claim online or by phone 24/7. If we can't repair it, we'll replace it or reimburse the purchase price with an Amazon e-gift card.
  • Plans are only valid for new or certified refurbished products purchased in the last 30 days with no pre-existing damage. Protection plan documents will be delivered via email within 24 hours of purchase.

2 Year Electronics Protection Plan

from Asurion, LLC
  • No deductibles or added costs. Parts, labor and shipping included.
  • Power surge covered from day one. Other breakdowns covered after the manufacturer's warranty expires.
  • Includes 24/7 tech support - setup, connectivity issues, troubleshooting and much more.
  • File a claim online or by phone 24/7. If we can't repair it, we'll replace it or reimburse the purchase price with an Amazon e-gift card.
  • Plans are only valid for new or certified refurbished products purchased in the last 30 days with no pre-existing damage. Protection plan documents will be delivered via email within 24 hours of purchase.

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3 Year Electronics Protection Plan

from Asurion, LLC
$57.99
  • No deductibles or added costs. Parts, labor and shipping included.
  • Power surge covered from day one. Other breakdowns covered after the manufacturer's warranty expires.
  • Includes 24/7 tech support - setup, connectivity issues, troubleshooting and much more.
  • File a claim online or by phone 24/7. If we can't repair it, we'll replace it or reimburse the purchase price with an Amazon e-gift card.
  • Plans are only valid for new or certified refurbished products purchased in the last 30 days with no pre-existing damage. Protection plan documents will be delivered via email within 24 hours of purchase.

Rockford Fosgate T1D415 Power 15" T1 4-Ohm DVC Subwoofer

5.0 out of 5 stars 7 ratings

Price: $749.99 & FREE Shipping. Details
4-Ohm
  • Feel the Power of the clean and high tech T1D415 black 15” subwoofer including grille and integral trim ring
  • The Power Series T1D415 is a Dual 4-Ohm subwoofer with power handling rated at 1000 Watts RMS/2000 Watts Max
  • These bad boys have patented VAST technology that increases surface cone area up to 25% so the T1D415 performs like a much larger woofer
  • Extreme flexibility for extreme installations with a mounting depth of 8.4”
  • Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller
  • 15-inch, dual 4-ohm subwoofer with 2000 watts maximum power handling (1000 watts RMS)
  • Kevlar fiber reinforced paper cone with anodized aluminum dust cap and voice coil former
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New (4) from $749.99 + FREE Shipping

Consistent coverage, unlimited connection Consistent coverage, unlimited connection


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Style: 4-Ohm

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From the brand

40 anniversary rockford fosgate

Our story


How we got our start?
The founder, Jim Fosgate, is often referred to as the inventor of the car audio amplifier, marketing the first car stereo systems, and spearheading the car audio revolution. Nothing’s changed. Rockford Fosgate is still the global leader in audio innovation, as your passion is our purpose.
What makes our product unique?
Whether its automobiles, motorcycles, boats, or off-road vehicles, we like to say if it has wheels or floats, we make a stereo for it. Sound built for speed. Purpose built for your lifestyle. Best of all, our entire line of products are designed and engineered in Tempe, AZ, USA!
Why we love what we do?
Truly a line designed by fanatics for fanatics, our family of products are developed by the same people that use them in their everyday lives. It’s the Rockford Fosgate commitment of passion, power and performance built into everything we produce, connecting enthusiasts to their music and machine.

Product Description

T1 high power subwoofer T1 high power subwoofer T1 high power subwoofer T1 high power subwoofer T1 high power subwoofer T1 high power subwoofer
T1D210 T1D410 T1D212 T1D412 T1D215 T1D415
Subwoofer Size 10 Inch 10 Inch 12 Inch 12 Inch 15 Inch 15 Inch
Voice Coils Dual 2-Ohm Dual 4-Ohm Dual 2-Ohm Dual 4-Ohm Dual 2-Ohm Dual 4-Ohm
Voice Coil Diameter 3 Inch 3 Inch 3 Inch 3 Inch 3 Inch 3 Inch
Magnet Weight 100 oz. (2.84 kg) 100 oz. (2.84 kg) 123 oz. (3.48 kg) 123 oz. (3.48 kg) 229 oz. (6.49 kg) 229 oz. (6.49 kg)
Impedance SWIFT Terminal 1 and 4 Ohm (Switchable) 2 and 8 Ohm (Switchable) 1 and 4 Ohm (Switchable) 2 and 8 Ohm (Switchable) 1 and 4 Ohm (Switchable) 2 and 8 Ohm (Switchable)
Power Handling 600 Watts RMS / 1200 Watts Max 600 Watts RMS / 1200 Watts Max 800 Watts RMS / 1600 Watts Max 800 Watts RMS / 1600 Watts Max 1000 Watts RMS / 2000 Watts Max 1000 Watts RMS / 2000 Watts Max
Cutout Diameter 9.0625 Inches 9.0625 Inches 11.25 Inches 11.25 Inches 13.9375 Inches 13.9375 Inches
Mounting Depth 6.5 Inches 6.5 Inches 6.88 Inches 6.88 Inches 8.39 Inches 8.39 Inches
Grill & Trim Ring Height 1.79 Inches 1.79 Inches 1.79 Inches 1.79 Inches 2.36 Inches 2.36 Inches
Woofer Displacement 0.078 cu. ft. (2.2 Liters) 0.078 cu. ft. (2.2 Liters) 0.106 cu.ft. (3.0 Liters) 0.106 cu.ft. (3.0 Liters) 0.191 cu.ft. (5.4 Liters) 0.191 cu.ft. (5.4 Liters)
Sealed Box Volume (Vb) 0.75 cu. ft. (21.2 Liters) 0.75 cu. ft. (21.2 Liters) 1.25 cu. ft. (35.3 Liters) 1.25 cu. ft. (35.3 Liters) 2.25 cu. ft. (63.7 Liters) 2.25 cu. ft. (63.7 Liters)
Vented Box Volume (Vb) 1.5 cu. ft. (42.4 Liters) 1.5 cu. ft. (42.4 Liters) 1.75 cu. ft. (49.5 Liters) 1.75 cu. ft. (49.5 Liters) 2.66 cu. ft. (75.3 Liters) 2.66 cu. ft. (75.3 Liters)
Shipping Weight 25.7 Lbs. 25.7 Lbs. 33.3 Lbs. 33.3 Lbs. 54.1 Lbs. 54.1 Lbs.

Product information

Style:4-Ohm

Warranty & Support

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Reviewed in the United States on May 5, 2013
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Reviewed in the United States on November 20, 2012
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Reviewed in the United States on January 22, 2014
Style: 4-Ohm
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Reviewed in the United States on September 22, 2013
Style: 2-Ohm
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Reviewed in the United States on October 9, 2014
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Reviewed in the United States on December 23, 2018
Style: 2-Ohm
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