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Rockford Fosgate P3D4-15

Punch P3 15" subwoofer with dual 4-ohm voice coils

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  • Rockford Fosgate P3D4-15

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Item# 575P3D415 offer details

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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.

Our take on the Rockford Fosgate P3D4-15

by Jo Greene

Standout performance

Rockford Fosgate showcases their fanatical commitment to sonic excellence in the Punch Series of speakers, amps, and subs. If you like to listen to potent, powerful music — and feel it too — Punch components will give you impressive sound that'll stand out in a crowd.

Exploded view

Designed for deeper, louder bass

Rockford Fosgate designed the P3D4-15 15" subwoofer to stay strong even when the bass gets hot. This Punch P3 sub features a rigid anodized aluminum cone that holds its shape through heavy play, while staying light and responsive. 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.

Heat-sink cone

The aluminum cone acts as a giant heat sink, directing heat away from the copper-clad aluminum voice coils. Special venting keeps the voice coils cool, so you get incredibly consistent bass performance over time. This P3 sub features an extended pole piece and bumped backplate that leaves more room for heavy excursion, so it'll hit deeper lows without "bottoming out."

The dual 4-ohm voice coils allow you to wire the sub for 2-ohm impedance to get maximum power output, or for 8-ohm impedance if you're using multiple subs. The P3D4-15 sub works equally well in a sealed or ported enclosure, so you can choose the kind of bass you want for your system.

Highlights:

  • 15" subwoofer with dual 4-ohm voice coils
  • anodized aluminum cone with Santoprene surround
  • hybrid StampCast basket provides strength while minimizing weight and resonance
  • Vertical Attach Surround Technique (VAST™) increases cone area
  • power range: 300-600 watts RMS (1200 watts peak power)
  • frequency response: 22-250 Hz
  • sensitivity: 86 dB
  • top-mount depth: 7-5/8"
  • sealed box volume: 1.5-3.0 cubic feet
  • ported box volume: 2.66 cubic feet
  • warranty: 1 year
  • Our 60-day money-back guarantee
Shop all Rockford Fosgate Component Subwoofers
     

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

    Features and Specs

    Features and Specs
    Size
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    15 -inch
    Impedance
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    4 ohms
    Cone Material
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    Anodized Aluminum
    Surround Material
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    Santoprene
    Ideal Sealed Box Volume (cubic feet)
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    1.58
    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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    86 dB at 1 watt
    Frequency Response
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    22 - 250 Hz
    RMS Power Range (Watts)
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    300-600
    Peak Power Handling (Watts)
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    1200
    Top Mount Depth (inches)
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    7 11/16
    Bottom Mount Depth (inches)
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    N/A
    Cutout Diameter or Length (inches)
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    13 11/16
    Vas (liters)
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    155.8
    Fs (Hz)
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    22.4
    Qts
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    0.57
    Xmax (millimeters)
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    13.9
    Parts Warranty
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    1 Year
    Labor Warranty
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    1 Year

    Product Research

    Product Research
    What's in the box?

    • 15" Dual 4-ohm voice coil subwoofer
    • Trim ring
    • Twelve 1-1/8" 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

    Overview: The Rockford Fosgate Punch P3D4-15 is a 15-inch subwoofer with dual 4Ω voice coils. The sub features a hybrid StampCast basket, quick-release compression terminals, anodized aluminum cone, and Santoprene surround. An anodized aluminum voice coil former and spider venting help keep the subwoofer cool.

    Dual 4Ω Voice Coils: The dual 4Ω voice coils offer wiring flexibility; when wired in parallel the woofer presents a 2Ω load, when wired in series the woofer presents an 8Ω load.

    Compression Terminals: The P3D4-15 features spring post terminals which accommodate speaker wire up to 10 gauge.

    CEA-2031 Compliant: Power handling on the P3D4-15 subwoofer conforms to CEA-2031 industry standards. This means the subwoofer has the capacity to handle power under continuous demand, not instantaneous power handling, that over time, can damage voice coils.

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

    Trim Ring: To improve the cosmetic look, a decorative trim ring is included that mounts over the flange of the woofer. When using the cast aluminum trim ring the woofer is first mounted with four screws, then the ring is placed on top of the woofer, aligning the final four holes of the woofer with ring. The other four screws are used for these holes to mount the ring and woofer to the enclosure. Without the trim ring the mounting height of the woofer is just under an inch, with the trim ring it's approximately 1-1/16 inches. The diameter of the trim ring is approximately 16-3/8 inches.

    Enclosure Compatibility

    Sealed Box: Rockford recommends a sealed enclosure with an optimum internal volume of 1.58 cubic feet (from 1.5 to 3.0 cubic feet is acceptable). 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.

    Ported Box: Rockford recommends a ported enclosure with an internal volume of 2.66 cubic feet using one 4" diameter x 10" long port; this yields a tuning frequency of 32 Hz. Ported (or vented) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power. However, this efficiency comes at the expense of very low frequency output (below 30 Hz).

     

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    5 out of 5

    Literally blown away!!!

    Written By Sam, Paradise Valley, AZ on Saturday, April 06, 2013
     
    These subs are really amazing! I have two of these p3d4 15's mounted in a ported box and my ears can not handle the bass at full volume for longer then 10 minutes! If anybody needs to be any louder they should just compete in spl competitions lol. I have these powered by a BRZ1200.10 amp in a 1 ohm load and these subs handle the power effortlessly!
    Pros:
    Just an amazing product!
    Cons:
    Cons??....?? No box included Bhahahahahaha!
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    Accessories

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

    StreetWires 14-gauge Super Cable™ Speaker Wire Translucent blue jacket — priced per foot (Clear)
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    StreetWires 16-gauge Super Cable™ Speaker Wire Blue jacket — priced per foot
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    StreetWires 12-gauge Ultra Cable™ Speaker Wire Blue/copper jacket — priced per foot
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    7 people say 
    Your Price: $39.99
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    Stinger PRO Series 16-gauge Speaker Wire Black jacket — priced per foot
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    Dynamat Xtreme Trunk Kit 5 sheets, 20 square feet
    11 people say 
    Your Price: $169.99
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    Dynamat SuperLite Tri-Pak Triple package — 3 sheets, 12 square feet (Model #10612)
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    Dynamat 19100 License Frame Kit
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    Dynamat Xtreme Wedge Pack 1 sheet, 4 square feet
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    Dynamat Dynaliner One 54" x 32" sheet (1/8" thick)
    2 people say 
    Your Price: $69.99
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    Rockford Fosgate P2P3G-15 Grille for 15" Punch P2 and P3 subwoofers
     
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    Metra Speaker Terminal Round terminal cup with binding post connectors (for do-it-yourself box builders)
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    Metra Speaker Terminal Square terminal cup with binding post connectors (for do-it-yourself box builders)
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    Metra Speaker Terminal Round terminal cup with spring clip connectors (for do-it-yourself box builders)
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    Metra Speaker Terminal Square terminal cup with spring clip connectors (for do-it-yourself box builders)
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    Rated 5-stars by consumers

    For a more in-depth review and enhanced detailed information on the Rockford Fosgate P3D4-15, please visit the Crutchfield website product page (/S-e4FaGVJIFba/p_575P3D415/Rockford-Fosgate-P3D4-15.html ).

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    Grilles and Baffles

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    Scratch & Dent: $14.99
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