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Rockford Fosgate T0D215

Power T0 15" subwoofer with selectable 1- or 4-ohm impedance

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  • Rockford Fosgate T0D215

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  • Rockford Fosgate T0D215

  • Rockford Fosgate T0D215

  • Rockford Fosgate T0D215

  • Rockford Fosgate T0D215

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Our take on the Rockford Fosgate T0D215

by Jo Greene
Rockford Fosgate

What's a component sub and why would I want one?

A component sub is simply a speaker that's designed to reproduce bass once it's installed in a compatible enclosure. Think about the impact of a movie soundtrack in a big theater or even in your own home HDTV setup. A component sub can add the same kind of power to the music in your car. And a car sub is not all about the boom that you hear on a street corner (although that's cool too) - you can pair a component sub with your choice of enclosure to get bass just the way you like it, from tight and punchy to fat and loose. And once you experience music in your car with a well-tuned subwoofer, you'll never go back.

Rockford Fosgate engineered Power Series subs for ultimate high-power, high-volume bass. So whether you're building a system for serious competition or just to satisfy your appetite for great bass, these subs deliver colossal low-frequency reproduction that's as real as it gets.

Crowd-drawing bass beats
The Power Series T0D215 15" subwoofer features a responsive paper cone that's reinforced with the same Kevlar® fibers used in bulletproof vests — a hard anodized aluminum dust cap covers and protects the entire cone, showcasing the glossy Rockford Fosgate logo. The result? You get classic warm bass from a cone that's virtually indestructible. Rockford Fosgate uses a new technique to attach the oversized rubber surround to the cone that increases available cone area up to 25%, so this sub can push more air for even bigger bass.

Extended excursion for more bass
This T0 sub is housed in a hefty cast aluminum frame that provides a stable platform for extreme cone excursion, while an extended pole piece and bumped backplate allow the sub to hit deeper lows without "bottoming out." Special venting in the frame keeps the aluminum voice coils cool through heavy use for consistent bass performance over time.

Fuse-protected impedance selection
Rockford Fosgate outfits Power Series subs with their unique SWIFT™ terminals, which lets you build exactly the system you want — high-power or multi-sub — without complicated wiring. Just rotate the impedance selection jumper to safely choose between 1 or 4 ohms. The jumper is also fused to protect your sub from accidental overload. If you're thinking about adding another sub down the line, this sub simplifies reconfiguring your system. These subs work equally well in a sealed or ported enclosure, so you can choose the kind of bass you want for your system.

See more info on this item

Highlights:

  • 15" subwoofer with with selectable 1- or 4-ohm impedance
  • Kevlar® reinforced paper cone with aluminum dust cap
  • Santoprene surround
  • cast aluminum basket
  • metal grille included
  • power range: 150-800 watts RMS (1600 watts peak power)
  • frequency response: 25-500 Hz
  • sensitivity: 87 dB
  • top-mount depth: 8-3/8"
  • sealed box volume: 2.25 cubic feet
  • ported box volume: 2.12-4.22 cubic feet
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Size
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15 -inch
Impedance
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2 ohms
Cone Material
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Kevlar reinforced paper
Surround Material
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Santoprene
Ideal Sealed Box Volume (cubic feet)
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2.25
Ideal Ported Box Volume (cubic feet)
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2.66
Port diameter (inches)
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4
Port length (inches)
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10
Free-Air
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No
Dual Voice Coil
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Yes
Sensitivity
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87 dB at 1 watt
Frequency Response
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25 - 500 Hz
RMS Power Range (Watts)
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150-800
Peak Power Handling (Watts)
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1600
Top Mount Depth (inches)
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8 3/8
Bottom Mount Depth (inches)
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8 7/8
Cutout Diameter or Length (inches)
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13 7/8
Vas (liters)
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94.4
Fs (Hz)
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25.5
Qts
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0.44
Xmax (millimeters)
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14
Parts Warranty
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1 Year
Labor Warranty
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1 Year
Product Research
What's in the box?

Download owner's manual

  • 15" Dual 2-ohm voice coil subwoofer
  • Grille
  • Fused 1-ohm/4-ohm SWIFT jumper (installed)
  • Twelve 1-5/8" Allen head screws
  • 4mm Allen head bit
  • Installation/Operation manual (English/ French/ Spanish/ German)

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Enclosure Compatibility

Features

Dual 4-ohm Voice Coils: The Rockford Fosgate T0D215 subwoofer features dual 2-ohm voice coils and a jumper to easily wire them in series or parallel; the voice coils cannot be easily wired separately.

SWIFT Terminal: Rockford's proprietary SWIFT Terminal (Selectable Woofer Impedance Fused Termination) offers a simple and convenient method of selecting the impedance presented by the dual voice coil subwoofer. The impedance jumper also provides fused protection from severe overload conditions. With the jumper in the 1-ohm position the voice coils are wired in parallel; with the jumper in the 4-ohm position the voice coils are wired in series.

Woofer: The Kevlar fiber reinforced paper cone has a hard anodized aluminum dust cap of equivalent size; the result is a lightweight and extremely strong cone, reducing piston flex and cone distortion.

VAST Surround: The Vertical Attach Surround Technique (VAST) increases a speaker's effective radiating cone area without increasing the size of the basket. The surround is made of durable Santoprene.

Voice Coil Former: Aluminum voice coil formers offer superior heat dissipation over other commonly used materials. The hard-anodized finish increases the former strength. These two factors combine to improve the overall power handling characteristics of the subwoofer.

Cast Aluminum Basket: The basket is a die-cast aluminum design to add rigidity and eliminate multiple acoustic resonances. Additionally, the large aluminum mass helps reduce voice coil former temperature and increase power handling.

Motor Assembly: The double stacked magnet assembly, extended pole, and bumped back plate are used to create a powerful linear motor with increased excursion capability for superior bass output.

Terminals: The proprietary spring terminals will accept bare wire up to 8-gauge.

Grille: A metal grille is included to protect the subwoofer and add a finished look. If the sub is bottom mounted and the back is visible, the grille can be disassembled and just the trim ring can be installed to cover the mounting screws.

CEA-2031 Compliant: Power handling on the T0D215 subwoofer conforms to CEA-2031 industry standards. This means the subwoofer has the capacity to handle its rated power under continuous demand, not just for an instant.

FlexFit Basket: The Flex Fit frame utilizes slots (where possible) instead of single screw sized holes; allowing slight adjustment of the speaker when mounted.

Enclosure Compatibility

Ported Box: Two ported enclosures are recommend:

  • Optimum: internal volume of 2.66 cubic feet using one 4" diameter x 10" long port; this yields a tuning frequency of 32 Hz
  • High Output: internal volume of 4.22 cubic feet using a 3" x 16-1/2" x 22-1/2" slot loaded port; this yields a tuning frequency of 38 Hz

Sealed Box: When using a sealed enclosure, Rockford recommends an internal volume of 2.25 cubic feet. Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.

 
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Rockford Fosgate T0D215 Reviews

Average Customer Review:

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Filter by rating:
4 out of 5

Loud But Not musical

Written By Kelvin, Florida on Wednesday, August 13, 2014
 
Bought this sub for my suburban 2015. I used it with the RF T1000 amp. Very loud and boomy but not pleased with the sound quality. Crutchfield has awesome customer service and they quickly refunded me for my purchase. I ended up getting Pioneer equipment which believe it or not sounds better and has a much lower price. Buy from Crutchfield they are real professionals. I have tried other online stores and none of them give you the type of service you get from Crutchfield.
Pros:
Cool looking & loud
Cons:
Not great on sound quality
Was this review helpful?    Yes | No
"Coolness Factor"
Build Quality
Ease of Use
Sound Quality
Value
 

1 question already asked

any one had good luck with these? [ jeff  Jan 05, 2014 ]
1 answer
  • We have not received any answers from other customers on your question. I would recommend reaching out to an Advisor by phone or online chat. They should be able to help answer your question. [ Jeff Staff  Jan 07, 2014 ]

Add accessories for the Rockford Fosgate T0D215

It's critical to have good wire, and none is included with the sub. See all categories & accessories

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Dynamat Xtreme Wedge Pack 1 sheet, 4 square feet
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Dynamat 19100 License Frame Kit
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Polyester Fiber Stuffing Make your subwoofer think it's in a bigger box (1-pound pack)
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Port Tube 4" diameter, 4-1/2" long
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For a more in-depth review and enhanced detailed information on the Rockford Fosgate T0D215, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_575T0D215/Rockford-Fosgate-T0D215.html ).