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Rockford Fosgate P2D4-12

Punch P2 12" subwoofer with dual 4-ohm voice coils

77 Reviews | 11 questions - 12 answers

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Overview

Our take on the Rockford Fosgate P2D4-12

Need an amp for this sub? Check out this Crutchfield-approved single-sub and dual-sub bass package.

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.

Cutaway view

Bulletproof bass

Engineers at Rockford Fosgate designed the P2D4-12 12" subwoofer to dish out the kind of powerful low end you crave in your ride. Its responsive paper cone is reinforced with the same Kevlar® fibers used in bulletproof vests so you get the best of both worlds — warm bass that's exceptionally hard-hitting. 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.

Made for heavy excursion

This P2 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." Special venting keeps the copper-clad aluminum voice coils cool through heavy use for consistent bass performance over time.

The dual 4-ohm voice coils allow you to wire the sub for 2-ohm impedance to work with a mono sub amp, or for 8-ohm impedance if you're using multiple subs. The P2D4-12 sub works equally well in a sealed or ported enclosure, so you can choose the kind of bass you want for your system.

Need an amp for this sub? Check out this Crutchfield-approved single-sub and dual-sub bass package.

To drive this single subwoofer, we recommend a mono amplifier rated between 300 and 600 watts RMS at 2 ohms. For more information, please refer to our article on How to Match Subwoofers and Amplifiers.

Product Highlights:

  • 12" subwoofer with dual 4-ohm voice coils
  • Kevlar® reinforced paper cone
  • Santoprene surround
  • hybrid StampCast basket provides strength while minimizing weight and resonance
  • power range: 150-400 watts RMS (800 watts peak power)
  • frequency response: 27-250 Hz
  • sensitivity: 86 dB
  • top-mount depth: 6-3/8"
  • sealed box volume: 0.70-1.80 cubic feet
  • ported box volume: 1.79 cubic feet
  • grille not included
  • warranty: 1 year
  • Our 60-day money-back guarantee

What's in the Box:

  • One 12" Dual 4-ohm voice coil subwoofer
  • Trim ring
  • Eight 1-1/8" Allen head screws
  • 4mm Allen head bit
  • Installation/Operation manual (English/ French/ Spanish/ German)

Impressed with this speaker so far (two weeks) . For the price, it is hard to beat. I'm only running a single 12 and it sounds pretty dang good. Clear, tight, hits hard.

Anonymous, Franklin, PA

Reviews

Rockford Fosgate P2D4-12 Reviews

Average Customer Review(s):

(77 Reviews)
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Details

Hands-on research

Product Research

Features
Enclosure Compatibility

Features

Overview: The Rockford Fosgate Punch P2D4-12 is a 12-inch subwoofer with dual 4Ω voice coils. The sub features a StampCast steel frame, quick-release compression terminals, a Kevlar fiber reinforced paper 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 mono load.

Steel Basket: The P2D4-12 subwoofer features a StampCast steel basket for added rigidity.

Compression Terminals: The P2D4-12 features spring post terminals which accommodate speaker wire up to 10 gauge.

CEA-2031 Compliant: Power handling on the P2D4-12 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 over 7/8 of an inch, with the trim ring it's approximately 1-1/16 inches. The diameter of the trim ring is 13-5/16 inches.

Enclosure Compatibility

Sealed Box: Rockford recommends a sealed enclosure with an optimum internal volume of 1.02 cubic feet (from 0.7 to 1.8 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 1.79 cubic feet using one 4" diameter x 10" long port; this yields a tuning frequency of 40 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 34 Hz).

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 verify what’s in the box, 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.

Accessories
Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

Recommended by a friend [ L  Jul 30, 2018 ]
Good price and known for quality's [ Timothy  Jul 25, 2018 ]
rockford fosgate is the best [ Cross  Jul 20, 2018 ]
Adam said it was a good sub [ Chase  Jul 18, 2018 ]
Part of the bass package deal [ Mark  Jun 14, 2018 ]
Part of a Crutchfield package. If Crutchfield grouped it together in Crutchfield we trust. Plus I double checked with an advisor to be compatible with my existing set-up. [ CHRISTOPHER  May 29, 2018 ]
Dual voice coil at 4 ohm. Running a JL Slash V2 500/1 so I'm not needing to run low ohm for more power. Also,going in sealed enclosure, want good power to it. Eric Glidewell [ Eric  May 05, 2018 ]
Possibly one of the best subs for the money... [ CLINTON  May 02, 2018 ]
Because it is the best [ Austin James  Apr 28, 2018 ]
The BEST [ James  Apr 12, 2018 ]
Because its Rockford, nuff said. [ Devin  Apr 11, 2018 ]
Always liked there product [ W  Mar 31, 2018 ]
part of the 400 watt bass package [ David  Mar 22, 2018 ]
Best match for what I was looking for, I am big Kicker and Aline fan. But his fitted what I was trying to do [ Manuel  Mar 16, 2018 ]
Brand [ Joseph  Mar 03, 2018 ]
Rockford Fosgate Subs and Amps have never let me down. I find a pair of 12 inch subs push plenty of air for just about any vehicle. Dual Voice coils give you exponentially more wiring options so if you swap your system into another vehicle, or swap out an amp, you have far more options. Combine Rockford Fosgate quality with Crutchfield's prices, shipping, articles, videos, and Live Tech support and you have a package that can't be beat. [ Danen  Feb 16, 2018 ]
It was part of the package and had good reviews [ Kurt  Jan 25, 2018 ]
It was a nice powerful package deal. [ Jimmy  Dec 14, 2017 ]
reputation and reviews [ James  Oct 25, 2017 ]
combo is excellent [ Brandon  Oct 15, 2017 ]
I have always been a fan of RF [ keith  Oct 03, 2017 ]
Quality name and price. [ STEVEN  Sep 11, 2017 ]
These about to hit harder than Tyson without the ear damage ya feel me [ Julian  Jul 27, 2017 ]
Rockford fosgate is always a good choice [ jared  Jul 08, 2017 ]
hard hitting speakers [ stacey  Jun 01, 2017 ]
Price [ Richard  May 15, 2017 ]
Replace a subwoofer that I bought about 17 years ago which finally gave up the ghost. [ I  May 15, 2017 ]
I stay committed to fosgate [ chas  May 12, 2017 ]
Wattage [ Miguel  Apr 02, 2017 ]
packaged [ Sean  Mar 29, 2017 ]
Replacement for my old Rockford Fosgate subs [ Vincent St  Mar 26, 2017 ]
these pound!!!! Just have to get the correct enclosure for them and they'll hear you coming down the street!!! [ Alfonso  Mar 19, 2017 ]
Looked to be a quality sub. I was deciding between this and a kicker compD sub of similar specs, but this one costed a bit more so I thought it would be of better quality. I decided to go with this one even though i am tight on cash as a college student. [ Cameron  Mar 14, 2017 ]
It had the Power and Size I wanted for the money I was looking to spend. Also it was offered as a Package with Amp and Box. [ Paul  Mar 05, 2017 ]
I like Rockford products [ Devin  Feb 23, 2017 ]
Rockford Fosgate, need I say more? Since the late 80s early 90s they have been the leader in subwoofers [ Daniel  Feb 20, 2017 ]
affordable price for a quality sub that hits very solid to the different types of music I listen too. Bought a used one 3 years ago lasted till I blew it up they last. [ Andrew  Feb 16, 2017 ]
I've always used Rockford with great results [ MICHAEL  Feb 14, 2017 ]
Rockford Fosgate has never let me down, the quality and price of their products are unbeatable. Brand loyalty in this case has been proven time and time again. I've been dealing with Rockford Fosgate for over 20 years now. [ Armando  Jan 23, 2017 ]
Boom boom [ Phillip  Jan 06, 2017 ]
Bought it for my son. [ Allen  Dec 21, 2016 ]
recommended by many others [ mark  Dec 06, 2016 ]
Went with the name because they don't skimp out on material, and never have sold a shoddy product. Went with a 12in because I am only using one sub, so might as well get more "oomph" if I can. [ Vincent  Dec 04, 2016 ]
Great reviews and good price for good subs [ Michael  Nov 22, 2016 ]
This sub pounds!!! Nothing else to say. [ Bryce  Nov 18, 2016 ]
Because bigger is better [ Andrew  Nov 14, 2016 ]
They are awesome speaker really pound [ Jason  Sep 27, 2016 ]
Good stuff [ Paul  Sep 22, 2016 ]
recommended by friend [ austen  Sep 14, 2016 ]
Bought this because it was with a complete set for my 05 Cobalt ss [ Ethan  Jun 05, 2016 ]
Good speakers at a great price [ Russell  May 20, 2016 ]
Kicks like a mule [ JEFF  Mar 15, 2016 ]
Using a Rockford Fosgate 500X1D Amplifier @ 2Ohm to drive this Dual Voice Coil Sub @ 2 ohm. [ Dustin  Feb 26, 2016 ]
I think it's the best choice for me for someone who wants a lot of bass, but not a crazy amount [ Alie  Feb 25, 2016 ]
Part of a package, but based on reviews and specs, I'd have chosen it anyways. [ Kelly  Feb 09, 2016 ]

11 questions already asked

Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy  Jun 20, 2018 ]  Staff
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy  Feb 28, 2018 ]  Staff
This is NOT a free air sub. The box I got came with the sub from Sound Ordinance and is roughly 1.5"L x 1.3"W x 1.3"H almost a cube, I highly recommend this sub however especially given the price. Couldn't be happier. [ Chris  Jul 01, 2017 ]
I don't think a factory amp would be able to power this subwoofer and even less likely of a chance that it will fit a factory subwoofer location on a vehicle. However, we may have some that will work. I recommend contacting an advisor on 1-800-324-9695 for a recommendation on a replacement subwoofer. My Bio: https://www.crutchfield.com/Support/Bio.aspx?bio=101 [ Paul  May 08, 2017 ]  Staff
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy  Jan 06, 2017 ]  Staff
Thanks for your question. For information on selecting the best subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the sub models and help you make the best choice for your system. [ Kenny  Nov 12, 2016 ]  Staff
I had that sub in a 1.25 sealed box and it sounded great until I fried the sub. I had my gain set too high and the sub got too hot and my coil burnt up. I then went to a 1.6 ported box because the port helps cool down the coil and magnet. The amp used was a RF Prime 500X1D. But anyway the sub was very powerful in the 1.25 sealed box I imagine .9 would sound good too but I would suggest go bigger. [ Robert  Oct 04, 2016 ]
I havent been able to install mine yet. But im an advocate of ported boxes in my oppinion their better but the manual for the sealed is 1.02 cu.ft. [ Alex  Sep 14, 2016 ]
I bought a ported box for my Rockford and it sounds a lot louder than a sealed box. [ Bill  Sep 09, 2016 ]
Yes as long as you are just running one sub to this amp that should be a good match since the sub is only rated at 400 RMS. This is always under rated though. I've got 2 pushed by a RF 1200 rms amp and the subs handle it fine. So to answer ur question yes that should be a good combo. [ Spencer  Aug 05, 2016 ]
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Kenny  Feb 12, 2016 ]  Staff
Thanks for your question. For information on selecting the best amp for your subs I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences between the amp models and help you make the best choice for your system. [ Krissy  Oct 29, 2014 ]  Staff
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