Rockford Fosgate Punch P1S4-12

500W Max (250W RMS) 12" Punch P1 Series Single 4-Ohm Car Subwoofer

Product videos

• 500W Peak
• 250W RMS
• Kevlar Reinforced Paper Cone
• High Density NBR Half-Roll Surround
• 2" 4-Layer Voice Coil
• 10 AWG Nickel Plated Compression Input Push Terminals

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JL Audio XD200/2v2 with Rockford Fosgate P1S4-12

200W 2-Channel Class D Amplifier with 250W RMS 12" Single 4-Ohm Subwoofer



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Product Highlights

• 500W Peak
• 250W RMS
• Kevlar Reinforced Paper Cone
• High Density NBR Half-Roll Surround
• 2" 4-Layer Voice Coil
• 10 AWG Nickel Plated Compression Input Push Terminals


Rockford Fosgate

Authorized dealer

P1S4-12 Punch P1 Series Subwoofer

The P1 Series continues Rockford Fosgate's world famous line that is considered to be "The Woofer of Choice" for car audio systems. The P1S4-12 subwoofer has a peak power rating of 500 watts and an RMS rating of 250 watts. Just like all Rockford Fosgate products, this subwoofer is built with quality and durability. The P1S4-12 features a high modulus kevlar reinforced paper cone with a high density NBR half-roll surround. The 10 AWG nickel plated push terminals with keep a secure connection at all times while resisting corrosion. The Punch Series 12" woofer also comes equipped with 2" 4-layer high temp voice coil, poly cotton spider, extended pole piece, bumped backplate, and a proprietary spider venting/cooling technique that helps keep subwoofer operating at a safe temperature. Once again, Rockford has made a top notch product at an affordable price.

While built on a long standing history of performance, the punch series woofers can deliver not only the output to satisfy you when you want it loud but maintain a level of sound quality for when you really want to "listen" to your music. Taking many design cues from the Power Series, Rockford Fosgate engineers continue to improve the Punch Series year after year making it one of the most sought after woofer lines for music and bass enthusiasts alike. With features like Dual tear & fatigue resistant poly-cotton spider for high strength and anodized aluminum voice coil formers to handle heat buildup in the motor structure under full power situations, these drivers are designed to perform.

Anodized Aluminum Voice Coil Former

Anodized Aluminum Voice Coil Former

By using an anodized aluminum voice coil former on their subwoofers, Rockford Fosgate is able to dissipate heat from the voice coil more efficiently. A hot voice coil can melt the adhesive bonds, which will lead to eventual subwoofer failure. The aluminum voice coil former acts as a heat-sink to dissipate thermal build-up on the voice coil cool during high SPL conditions.

CEA-2031 Rockford Fosgate Subwoofers

Conforms to CEA-2031

Rockford Fosgate has built this subwoofer to conform to the CEA-2031 loudspeaker power handling industry standards. This means that you can trust the subwoofer to have the capacity to safely handle the continuous (RMS) power rating. Having a CEA-2031 power handling is important when matching a subwoofer to an amplifier because the power ratings are accurate.

Rockford Fosgate Stitched Tinsel Leads

Stitched Tinsel Leads

To improve the reliability and performance by reducing fatigue and possible shorting, Rockford Fosgate has stitched the tinsel leads to the spider. The multipoint periodic stitching lead wires reduce the mass of the tinsel leads to spread the stress over a greater area. This improves the reliability and performance of the subwoofer.



Key Benefits

  • 12" Single 4 ohm Punch Stage 1 Subwoofer
  • Power Handling:
    • Peak: 500 watts
    • RMS: 250 watts
  • Recommended power range: 125 - 300 watts RMS
  • CEA-2031 Compliant
  • Klippel Verified
  • Flex-fit Mounting pattern
  • Proprietary spider venting/cooling technique
  • StampCast basket with integrated spider venting
  • Sturdy 16 gauge compound bend frame geometry
  • High modulus Kevlar re-inforced paper-pulp cone
  • Semi-flexible, PVC removable protective motor cover
  • Multi-point high-temp/high-strength neck joint bonding technique
  • Tall-profile VAST Santoprene surround for larger surface area
  • Dual tear & fatigue resistant poly-cotton spider with woven tinsel leads
  • Fatigue resistant and reduced strain "stitched on" flexible lead wire design
  • Proprietary all metal, radially oriented compression input terminal assembly
  • Optimized motor magnetics with extended pole and bumped vented backplate
  • High temp 2" voice coil w/ spun-laced Nomex insulating re-inforcement collar
  • Die-Cast aluminum soft-touch painted trim ring allows for optional integrated grill
  • Stamped Mesh Grille Insert Available: Rockford Fosgate P1G-12
  • Mounting Depth: 6"
  • Cutout Diameter: 11.22"
  • Magnet Weight: 45 oz
  • Frequency Response: 20 - 250 Hz
  • Xmax: 9mm
  • Sensitivity: 86 dB @ 1 watt / 1 meter
  • Recommended Ported Enclosure: 1.79ft³
  • Recommended Sealed Enclosure: 1.02ft³
  • Matching Amplifiers: (one subwoofer)
  • Matching Amplifier: (two subwoofers)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Check out the Rockford Fosgate P1 Series Owner's Manual

Tips for Installing the P1S4-12 Subwoofer

Product history:

Rockford Fosgate P1S4-12 thumbnail
(newest, current model)
Rockford Fosgate P1S412 thumbnail
(previous model, replaced by Rockford Fosgate Punch P1S4-12)

Subwoofer Wiring Guide

Wiring Guide to Wire 1 Rockford Fosgate Punch P1S4-12 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Rockford Fosgate Punch P1S4-12 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Rockford Fosgate Punch P1S4-12 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Rockford Fosgate Punch P1S4-12 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Punch P1 Series
Subwoofer Size
Peak Power Handling
500 watts
RMS Power Handling
250 watts
Voice Coil(s)
Impedance (Per Voice Coil)
4 ohms
Voice Coil Diameter
Frequency Response
25 - 250 Hz
86 dB
Xmax (millimeters)
9 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Kevlar Reinforced Pulp Paper
Woofer Surround
NBR Half Roll
Subwoofer Grille
Re-Cone Kit Available
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Minimum Sealed Box Volume
.70 cubic feet
Maximum Sealed Box Volume
1.80 cubic feet
Minimum Ported Box Volume
1.50 cubic feet
Maximum Ported Box Volume
2.10 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Shallow Mount Installation
Electromechanical Parameters
Free-Air Resonance (Fs)
25.00 Hz
Equivalent Compliance (Vas)
88.3 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
3.60 ohms
Mechanical Q Value (Qms)
What is in the box?
User manual
WITB: Subwoofers
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:




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Product and How-to Videos

  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?
  • How to Install a Car Subwoofer in a Box

Customer Ratings & Reviews

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Customer Reviews

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Exceeded expectations!

I purchased 2 of these in a sealed box on a 400 rms Kicker 4ch amp. These subs hit hard, deep, and accurate. Would def recommend and buy again. Quality sub.

By Dave on June 16, 2014


found this helpful.

Great Subs

I have 4 of the p1's wired down to 1 ohm on a kole 7000 class-d amp and all i can say is wow.

By Get Low on January 6, 2012


found this helpful.

Good bang for buck

Great sub if your looking for a good kick that doesnt drown out the music.

By Ethan09 on September 21, 2012


found this helpful.

Great Sub

Even though this is only a 250 watt sub. If you hook up two of these, then you'll have a pretty good amount of bass. I defiantly wouldn't run these over 300 watts of constant power. Very good sound quality excellent. And my favorite part is that this sub isn't to particular with the size of the enclosure. As long as it's pretty close to what it's supposed to be. Unlike Alpine type r's where the box has to be perfect for the sub otherwise you wont get the best performance you can.

By Derek on April 16, 2013


found this helpful.

not up 2 par

I have one of these in a ported box running off a p300-1, i have the 4ohm woofer. To start off with do not, i repeat do not over power this woofer it will fry it instantly. Hooked a t1000-1bd and it lasted 15 min. The woofer would get extremely hot just on the p300, and would distort after a good hard 20 min of playing, the woofer has great mid and low bass but the deep stuff is just out of its league. I know what your thinking well ya its going to fry on a t1000 but i put a sundown sa10 on it and it played for months.

By crazyface on April 22, 2012


found this helpful.

Best subwoofer

These things pound in a sealed enclosure with a little amp, with a big amp they pound with a ported enclosure. I used to own 2 p1s4-10. But then i decidedi needed to upgrade my system. i would highly recomend these if your looking for some hard hittin bass in the trunk.
( friends are jealous of these)

By jonathan on February 18, 2013


found this helpful.

Great Sub

This was my first sub woofer I have ever got for my truck and I was very pleased with its performance. I paired it with a kenwood 350watt amp. The sub was way underpowered. It was only getting 150rms. The sub woofer had a fairly good sized magnet considering its only a P1. However it is time to upgrade so i just ordered a Rockford Fosgate T0 2 Ohm 12" sub for Christmas. This product is recommended for beginner system.

By Phillip on December 11, 2011


found this helpful.

Rockford Fosgate 12's..

I put 2 of these speakers under my rear seat in my 04' ford f150 with a ken wood 500watt mono amp...Hits unbelievably hard!!!... i would definitely recommend these speakers!!!

By johnyR on October 2, 2014


found this helpful.

Sick first subs

These subs see definitely a crowd pleaser! I have two in my trunk and I love watching people's faces light up when they hear them!

By jaden on December 3, 2012


found this helpful.

Good but to better

This sub is great for the money, clean bass in a sealed enclosure, but if you were wanting a good thump with it, upgrade to a p2 or a p3.

By Jacob on October 18, 2012


found this helpful.


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Rockford Fosgate Punch P1S4-12

• 500W Peak
• 250W RMS
• Kevlar Reinforced Paper Cone
• High Density NBR Half-Roll Surround
• 2" 4-Layer Voice Coil
• 10 AWG Nickel Plated Compression Input Push Terminals



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