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Rockford Fosgate

Rockford Fosgate P3SD4-8 Punch P3S 4-Ohm DVC Shallow 8" Subwoofer

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Availability: Only 8 left in stock, order soon!
Fulfilled by Drive In Car Audio
Arrives Wednesday, Sep 30
Order within 14 hours and 5 minutes
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Features

  • The Rockford Fosgate P3S series shallow mount subwoofers deliver Punch, designed to deliver big bass in a tight space, with its low profile mounting depth design
  • The Punch P3SD4-8 is a slim 8 4-Ohm DVC (dual voice coil) subwoofer with 150 Watts RMS / 300 Watts Max power handling and custom 10-AWG nickel plated push terminals
  • Featuring anodized aluminum cones and dustcaps, with a unique spider venting design to keep the motor cooler and a new hybrid stamp-cast basket providing super strength while minimizing weight and resonance
  • Optimized for both sealed and vented enclosures {Sealed (Vb): 0.25 cu. ft. (7.0 Liters) / Vented (Vb): 0.75 cu. ft. (21.2 Liters) / Mounting Depth: 2.66 in. (67.5 mm) / Cutout Diameter: 7.13 in. (181.0 mm)}
  • Famous Rockford Fosgate build quality with a full 1-year warranty

Description

Built by Fanatics…For Fanatics! Truly a line designed by fanatics for fanatics, our family of products are developed by the same people that use them in their everyday lives. It’s the Rockford Fosgate commitment of passion, power and performance built into everything we produce, connecting enthusiasts to their music and machine. Best of all, our entire line of products are designed and engineered in Tempe, AZ, USA! Big bass in a tight space is what the P3 slim woofer is all about, with its low-profile mounting depth design! Rockford Fosgate understands all vehicles are not the same, because some cannot accommodate deep subwoofers. In the past, that meant no Bass… Not anymore! Now even depth challenged vehicles can have REAL Bass. The Punch P3SD4-8 slim subwoofer features Dual 4-Ohm voice coils for wiring flexibility and 150 Watts RMS power handling. Bring on the bass with limited space! The rigid, lightweight cone design eliminates flex under high power applications, improving the woofer's bass response and allowing the woofer to handle more power The highly flexible and durable M-roll designed Santoprene surround features our VAST technology, significantly increasing the subwoofer's effective radiating cone area up to 25% Anodized aluminum voice coil formers provide superior heat dissipation (up to 100° at full power levels), quickly dissipating thermal build-up on the voice coil - This keeps the woofer cool during high SPL conditions The StampCast frame design provides a rigid platform for the woofer assembly, reducing any distortion causing flex, while the Stitched Tinsel Leads improve reliability and performance by reducing fatigue

Brand: Rockford Fosgate


Speaker Maximum Output Power: 300 watts


Frequency Response: 250 hertz


Connectivity Technology: Speaker Wire


Audio Output Mode: Stereo


Audio Output Mode: Stereo


Mounting Type: Wall Mount


Enclosure Material: Aluminum


Speaker Type: Subwoofer


Additional Features: Durable, Cooling, Flexible Installation


Antenna Location: car


Subwoofer Diameter: 8 inches


Is Waterproof: FALSE


Warranty Type: Full


Control Method: Voice


Speaker Size: 8 inches


Woofer Diameter: 8 inches


Water Resistance Level: Not Water Resistant


Specific Uses For Product: car audio enhancement


Controller Type: Voice control


Frequency Response: 250 hertz


Number of Audio Channels: 2.1


Impedance: 4 ohm


Connectivity Technology: Speaker Wire


Wireless Technology: No Wireless Communication Technology


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: Bluetooth


Audio Driver Type: Dynamic Driver


Audio Driver Size: 8 inches


Brand: Rockford Fosgate


Model Number: P3SD4-8


Model Name: P3SD4-8


Built-In Media: P3SD4-8


Warranty Description: 1-Year Manufacturer Warranty


Number of Items: 1


Customer Package Type: Standard Packaging


UPC: 780687340735


Global Trade Identification Number: 35


Manufacturer: Rockford Fosgate


Speaker Maximum Output Power: 300 watts


Input Voltage: 12 volts_of_direct_current


Unit Count: 1 Count


Item Dimensions D x W x H: 5.25"D x 9.75"W x 9.75"H


Compatible Devices: Car Audio System, Smartphone


Compatible with Vehicle Type: Car


Power Source: Corded Electric


Number of Batteries: 1 12V batteries required.


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 30

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great performance for the budget, great design.
Product Packaging: Standard Packaging
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Bought the 8" dual coil 4 ohms. I got a bazooka enclosure with a 10" speaker for a scion TC, the bazooka speaker sounded horrible and distorted a lot, the bazooka frame design and enclosure didnt allow for any other 10" speaker to be retrofitted, so I bought this 8" punch speaker that met the wattage and configurations for the enclosure. I had to make an adaptor for the speaker. This little 8" dual voice coil 4 ohms made the bass a lot of clean and dont distor sound as the bazooka, a huge upgrade and it also looks very nice too. Overall price, design and performance its a 5 star. ... show more
Reviewed in the United States on June 28, 2026 by Danny Torre
    • A versatile, high-quality solution for many shallow mount applications!
Product Packaging: Standard Packaging
Bought as replacement for totally disintegrated, junk OE on 2001 Suburban ... probably died years ago ... never paid attention. But once I did a second replacement of the front door speakers, I figured I might as well "go the distance" and replace the long-blown subwoofer too. It's pretty easy to get at the OE subwoofer in this particular car. The problem was finding a 2 ohm subwoofer that'll fit in the OE enclosure, which is actually a good box (made of that really dense polymer that a lot of pro audio speakers are made of, bolted really tight into the left rear cargo area) ... probably better than anything I could make on my own. This subwoofer is "4 ohm," but you can make it 2 ohm by wiring the two terminal blocks together. (See the suggested wiring schematics that come packaged with the sub.) I tried a cheaper Planet Audio model first, but it was too long/deep for the OE box. I'm actually glad it didn't work, because that forced me to look at some higher quality "shallow mount" models, and it was down to the Pioneer, or this one. The mounting ring/plate on the Pioneer didn't look like it would fit in the box without a LOT of extra work (I saw a YouTube video of a guy that spent hours carving material out of the mounting cavity on his OE box to make it fit ... bad idea), so I opted for this one. Another happy accident. The mounting plate/flange on the Rockford Fosgate didn't fit the box either, but I was able to make it fit by cutting away some of the extraneous loops/material in the outer ring, leaving only the typical four "ears." The material looks really thick in the pictures, but most of it is plastic, and I was relieved to realize that I was able to make all the cuts I needed to with a Dremel tool/cutter in about 20-30 minutes. The outer diameter of the mounting plate/flange is a little smaller than that of the OE subwoofer, so the holes for the RF "ears" didn't quite reach the holes for the OE, but they were close enough to drill new holes in the meaty part of the OE box material that supported the OE screws. Far more important, enough of the neoprene gasket on the back side of the mounting plate contacted the mating surface on the OE box to make a good seal. Once I got the mounting issues solved, the rest was easy. The terminals are the push type ... no clips or soldering required. I just needed to mate some new wire with the OE clips, connect them to the speaker and OE harness, and voila ... I was thumpin. I'm sure this sub is woefully underpowered by the factory head unit/secondary amp in this vehicle, but compared to what I had before (basically nothing), it still sounds amazing. As you can probably tell from the fact that I lived with a totally blown/disintegrated OE subwoofer for YEARS without bothering to replace it, I don't need massive, thumping bass that rattles my whole car to be satisfied from my position in the driver's seat. I just want better speakers for the OE system than the paper cone junk that Chevy put in the car 16 years ago. This vehicle has a total of six different speakers in addition to the subwoofer (front doors, rear doors, rear pillars), and finally having a quality sub really fills out the whole system in a way I've never heard in all the 12 or so years I've owned the car. So far I'm VERY pleased. This is a solid, pro audio sub. Very well constructed ... nice rigid cone, thick seal/surround, heavy magnet/housing, relatively easy to modify/customize to fit any application requiring shallow depth, works at 2 or 4 ohms ... love it. ... show more
Reviewed in the United States on July 11, 2017 by Mark R. Wietstock
    • Great shallow mount sub, fits 2017 Audi Q7 Bose sub enclosure perfectly.
Product Packaging: Standard Packaging
Fantastic. Perfect fit replacement for Bose Sub in the Audi Q7 Bose sound package. Sounds great especially for a shallow mount sub. You’re not going to get those ear pounding super lows as if you installed a couple 1000 watt JBL 10’s, but it’s a wonderful stock upgrade. Very easy to install; drops right into the Bose enclosure. ... show more
Reviewed in the United States on August 6, 2025 by Sean J. Ferguson
    • 2021 Ford bronco install
Product Packaging: Standard Packaging
Review Image by Joe
Review Image by Joe
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I own a 2021 Ford bronco with the B&O sound system. As many know, the overall sound is underwhelming and needs improvement. I started replacing all of the 4" dash and rear speakers with Alpine S40's. This made an improvement, but overall I was still not satisfied. After reading the forums, I decided not to replace the 6.5 kick panel speakers and researched replacing my subwoofer. My biggest issue at this point was the stock subwoofer would bottom out and start crackling whenever there was deep bass. I could not play hip-hop music (rock and heavy metal were OK.) My research led me to this Rockford Fosgate sub. I was initially excited until I tried to mount it in the stock subwoofer box, but it simply would not fit, and the screw holes did not line up. After over an hour of trimming the outer metal and plastic of the new subwoofer, it finally went in, and I used the stock beauty ring to secure it in place. I cranked up some Eazy-E, and wow, it sounded GREAT. No more crackling, and the bass was punchy. The overall system still sounds hollow, but the sub and other speaker upgrades make it tolerable. I am happy with this subwoofer. ... show more
Reviewed in the United States on March 9, 2023 by Joe
    • P3SD4-8 for mid bass driver in a 3-way front stage.
Product Packaging: Standard Packaging
I have designed and build a audio system in my car for the last 3 yrs, continually upgrading every year for a more well round RF SQL system. I run All Power series equipment in my car but sub(SQ HDS310's) and these P3SD4-8's. With these I plan to fiber glass kick panels to house these as a midbass driver, playing from 60-200 Hz, I will let the 2 sets of T2 comps in my doors to play 100+ Hz and up with T3 tweeters in the door panel above the midrange. I have a T400-4 and these will be playing on the rear ch's (3&4) at 2 ohm and will see about 145 watts each to keep up with the comps playing 125 watts each of a T400-2. Rear doors are T1 Comps off another T400-4. All Active off a 80-PRS. So 950 watts for a front stage, 400 watts for rear fill to help keep up with the 2k sub stage. HO Alt and 4 battery's to keep the system juiced up. I have about 6K into the system and 100's of hrs into the build. Once install is done with the P3SD4-8's I will update review. I am more than confident that this will work well, RF techs agree of the capabilities of the driver to play these freq. Love this hobby and should sound loud & clear when done. ... show more
Reviewed in the United States on November 19, 2014 by Brett B
    • Fit 2002 Suburban with some trimming
Product Packaging: Standard Packaging
Installed this in stock location for a 2002 Suburban. I did have to use an oscillating tool to cut off the tabs that were in the way. The sub sits into a recessed piece, cut off the unneeded tabs and used the screws location. The screw holes don't line up perfectly but close. I used self tapers and it worked. ... show more
Reviewed in the United States on February 6, 2025 by akaRichard
    • Great speaker.......if you give it enough power. Not a drop in replacement for blown factory sub.
Product Packaging: Standard Packaging
Replaced a blown OEM subwoofer in the under seat enclosure in my Nissan Xterra with this and a CT Sounds T-300.1 amp. Put some sound deadening material in bottom of factory enclosure and filled with poly fill. This sub sounds great if you don’t expect it to behave like a larger sub. It is punchy and fills in the low end very well. It does reasonably well with lower “bass” but falls off pretty quickly. If you want to retain the stock system and not have to deal with a box taking up space this is a great solution. Just make sure you power it with an additional amp. I don’t think most OEM amps will give it enough to make it sound good. This is probably the reason for most of the bad reviews. This is a high power rated sub. 150watts RMS/ 300 Peak. 50-75 watts from a factory amp is not going to do this justice. ... show more
Reviewed in the United States on December 20, 2018 by Amazon Customer
    • Great upgrade on a Q7
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Great product! Some adjustment and running
Reviewed in the United States on June 22, 2026 by Islander

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