We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The Rockford Fosgate P3D4-15 is built for car audio enthusiasts who want serious low-end power that does not just play music but fills the entire vehicle with impact. Its massive 15-inch motor system is engineered to deliver deep and powerful bass that stays clean even at high volume. Whether you are into hip hop, EDM, or bass-heavy tracks, it brings that strong and controlled low-frequency punch that transforms every drive.
This subwoofer gives you flexible setup options with dual 4 ohm voice coils that allow wiring for either a 2 ohm or 8 ohm load depending on your system needs. It helps you match different amplifiers and fine-tune your setup for better performance. The anodized aluminum voice coil former and spider venting system help manage heat during long sessions so the bass stays strong and stable. The spring post terminals also support up to 10-gauge wire for quick and secure installation.
The P3D4-15 is built with durability in mind using an anodized aluminum cone and Santoprene surround that keeps movement controlled even under heavy bass output. It meets CEA 2031 power handling standards, which means it is tested for real continuous performance under demanding conditions. The FlexFit basket design makes installation easier and more precise, while support for sealed or ported enclosures gives you the choice between tight, accurate bass or louder more aggressive output depending on your build.
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i got one of these in my buick skylark on a old punch 550 two channal in my cheap ported box it gets very loud for one sub ive had many rockford subs and this is the best thay have had in years it reminds me of the old HE and HX subs.
These woofers are BRUTAL. i am pushing 1200w RMS into each of 2 woofers (600w per voice coil) and they can handle it like a champ. i am running a Hifonics Brutus 2400w RMS at 1 ohm with 2 backup batteries and a 350A HO alternator.
Hits truly hard but its still clean sounding bass. I’m not sure if it can really go down to 23Hz but it really delivers some amazing lows
We are a Rockford Fosgate authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
The Rockford Fosgate P3D4-15 is built for car audio enthusiasts who want serious low-end power that does not just play music but fills the entire vehicle with impact. Its massive 15-inch motor system is engineered to deliver deep and powerful bass that stays clean even at high volume. Whether you are into hip hop, EDM, or bass-heavy tracks, it brings that strong and controlled low-frequency punch that transforms every drive.
This subwoofer gives you flexible setup options with dual 4 ohm voice coils that allow wiring for either a 2 ohm or 8 ohm load depending on your system needs. It helps you match different amplifiers and fine-tune your setup for better performance. The anodized aluminum voice coil former and spider venting system help manage heat during long sessions so the bass stays strong and stable. The spring post terminals also support up to 10-gauge wire for quick and secure installation.
The P3D4-15 is built with durability in mind using an anodized aluminum cone and Santoprene surround that keeps movement controlled even under heavy bass output. It meets CEA 2031 power handling standards, which means it is tested for real continuous performance under demanding conditions. The FlexFit basket design makes installation easier and more precise, while support for sealed or ported enclosures gives you the choice between tight, accurate bass or louder more aggressive output depending on your build.
