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Rockford Fosgate Power T1D215Power 15" T1 2-Ohm DVC Subwoofer
Variants
The Rockford Fosgate Power T1D215 is a 15" dual 2-Ohm DVC subwoofer rated for 1,000 Watts RMS. It combines VAST cone technology and a FlexFit basket with a grille that includes an integral trim ring.
Highlights
- 1 Year Warranty
- Proprietary 8 AWG insulated allmetal input spring terminal connection
- Optimized and matched magnetic and complicance geometry
- Anodized aluminum heat sinking dust cap
Key specs
Full specs- Size
- 15"
- Magnet Weight (oz)
- 229 oz. (6.49 kg)
- Mounting Depth
- 8.39 in. (213 mm)
- Nominal Impedance
- Dual 2-Ohm
- Speaker Connector
- Compression Terminal
- SPL (dB @ 1w/1m)
- 87.9
- Re (Ohms)
- 3.25
- Qes
- 0.46
Key specs
Full specs- Size
- 15"
- Magnet Weight (oz)
- 229 oz. (6.49 kg)
- Mounting Depth
- 8.39 in. (213 mm)
- Nominal Impedance
- Dual 2-Ohm
Highlights
Overview- 1 Year Warranty
- Proprietary 8 AWG insulated allmetal input spring terminal connection
- Optimized and matched magnetic and complicance geometry
Overview
The Rockford Fosgate Power T1D215 is a 15" dual 2-Ohm DVC subwoofer rated for 1,000 Watts RMS. It combines VAST cone technology and a FlexFit basket with a grille that includes an integral trim ring.
Best for
- Car audio enthusiasts who want high-output
- deep bass from a 15" subwoofer with advanced cone and basket technologies.
Key points
- 15" woofer with dual 2-Ohm voice coils (DVC)
- 1,000 Watts RMS power handling
- VAST surround increases effective cone surface area (up to 25%)
- FlexFit basket designed for installation flexibility
- Anodized aluminum voice coil former and inductive damping heat sink
- Stitched tinsel leads and SWIFT™ terminals for reliable connections
Fit and use
Designed for automotive audio systems. Pair with an amplifier that matches the subwoofer's RMS rating and wiring configuration for the desired impedance. Enclosure type and tuning affect performance—consult system specs or an installer for optimal results.
What to know
This model emphasizes cone area and mechanical design to improve low-frequency output relative to prior designs. Observe the 1,000W RMS rating when selecting amplification and wiring to avoid under- or overpowering the driver. The product is Klippel Verified and references CEA-2031 standards for measured performance.
Highlights
Key features
- 1 Year Warranty
- Proprietary 8 AWG insulated allmetal input spring terminal connection
- Optimized and matched magnetic and complicance geometry
- Anodized aluminum heat sinking dust cap
- Kevlar fiber reinforced paper cone
- Anodized aluminum voice coil former / copper clad aluminum wire
- Periodic-stitched fatigue resistant tinsel lead wire
- Optimized pole piece and spider venting
- High-temp voice coil with spun-laced Nomex® re-inforcement collar
- Rigid die-cast aluminum basket
- Symmetrical dual progressive roll tear resistant poly-cotton spiders
- Stitched Tinsel Leads
More info
Manufacturer details
Innovative technologies allow the T1D215 subwoofer to perform like a larger woofer over the previous model. The T1 15” features dual 2-Ohm voice coils, 1,000 Watts RMS power handling, and includes a grille with integral trim ring.
Additional details
The Power Series T1D215 Dual 2-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 T1D215 is here!
Technologies
Stitched Tinsel Leads
Multipoint "periodic" stitched lead wire technique reduces the mass of each tinsel lead and spreads stress and
Patent: Patent Pending
VAST Surround - Subs
Rockford Fosgate's proprietary surround technique, VAST, provides up to a 25% increase in the speakers effective
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has
Anodized Aluminum Voice Coil Former
Two things generally happen when voice coils heat-up. They can generate heat close to the melt-down temp of their
Inductive Damping Heat Sink
Secures directly to the top of magnet structure to improve system efficiency by reducing both distortion and back
SWIFT™ Terminals
Removing and inverting the center plug allows the voice coils to quickly be configured in a Series or Parallel
FlexFit Basket - Subwoofer
The slot mounted frame pattern of the FlexFit basket utilizes slots (where feasible) instead of single screw sized
Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be
Specs
Specifications
24
| Size | 15" |
| Magnet Weight (oz) | 229 oz. (6.49 kg) |
| Mounting Depth | 8.39 in. (213 mm) |
| Nominal Impedance | Dual 2-Ohm |
| Speaker Connector | Compression Terminal |
| SPL (dB @ 1w/1m) | 87.9 |
| Re (Ohms) | 3.25 |
| Qes | 0.46 |
| Vas (Liters) | 102 |
| Xmax (mm) | 16.4 |
| Fs (Hz) | 26.3 |
| Qts | 0.43 |
| Xmax (mm) | 16.4 |
| Fs (Hz) | 26.3 |
| Qts | 0.43 |
| Qms | 6.50 |
| Cutout Diameter | 13.9375 in. (354 mm) |
| Woofer Displacement | 0.191 cu. ft. (5.4 Liters) |
| Le (mH) | 1.6 |
| Sd (cm2) | 845 |
| Vented Box Volume (Vb) | 2.66 cu. ft. (75.3 Liters) |
| Subwoofer Type | Standard |
| Voice Coil Type | Dual Voice Coil |
| Sealed Box Volume (Vb) | 2.25 cu. ft. (63.7 Liters) |
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Installation resources
Wiring diagrams
9
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
Box Advisor
Sealed Enclosure
- Recommended volume
- 2.25 cu ft
- Volume range
- 2 cu ft to 2.75 cu ft
- Dimensions
- 22 in W x 18 in H x 13 in D
- F3
- 43 Hz
- Qtc
- 0.72
- Port / ID
- 21 in
- Subwoofer size
- 21 in
- Impedance
- 3 ohm
- Power handling (RMS)
- 1000 W
Vented Enclosure
- Recommended volume
- 2.66 cu ft
- Volume range
- 2.25 cu ft to 3 cu ft
- Dimensions
- 28 in W x 18 in H x 12 in D
- F3
- 32 Hz
- Tuning (Fb)
- 32 Hz
- Port / ID
- 21 in
- Subwoofer size
- 21 in
- Impedance
- 3 ohm
- Power handling (RMS)
- 1000 W
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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