








"Fit perfectly and worked exactly as expected — support was excellent."
Rockford Fosgate P3D4-12
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
Rockford Fosgate P3D4-12: 12" Dual 4-Ohm Subwoofer for Deep, Resonant Bass
The Rockford Fosgate P3D4-12 12-inch dual 4-ohm subwoofer is designed to deliver deep, resonant bass, making it a key component for any high-performance car audio system. As part of Rockford Fosgate’s Punch series, the P3D4-12 is crafted for those who demand exceptional bass clarity and power. Whether you’re upgrading from factory-installed speakers or building a custom system, the P3D4-12 provides the punchy, powerful bass you need to elevate your music listening experience on the road.
Experience Deep, Powerful Bass with the Rockford Fosgate P3D4-12
The Rockford Fosgate P3D4-12 subwoofer is engineered to produce deep, impactful bass that enhances every track. With its 12-inch woofer and dual 4-ohm voice coils, this subwoofer offers flexible wiring options and is capable of handling high power levels, ensuring that your car’s audio system delivers the kind of bass that brings your music to life. Whether you're into bass-heavy genres or simply want to enrich the sound quality of your favorite tunes, the P3D4-12 provides the bass performance that makes every drive more enjoyable.
Durable Construction for Long-Lasting Performance
The Rockford Fosgate P3D4-12 is built to endure, featuring a rugged design that can handle the demands of high-output bass. The subwoofer is equipped with an anodized aluminum cone and dust cap, providing a robust yet lightweight structure that ensures optimal performance. The VAST™ (Vertical Attach Surround Technique) technology increases the cone area by up to 25%, allowing for greater bass output without increasing the subwoofer’s footprint. Additionally, the hybrid stamp-cast basket reduces resonance and distortion, ensuring clean, accurate bass reproduction for the long haul.
Optimized for Versatile Installation
The Rockford Fosgate P3D4-12 subwoofer is optimized for both sealed and vented enclosures, offering versatility in your car audio setup. Its 12-inch size makes it ideal for installations that demand serious bass output. The dual 4-ohm voice coils provide multiple wiring options, allowing you to configure the subwoofer for the best possible performance in your specific setup. Whether you prefer a sealed box for tight, controlled bass or a vented enclosure for more expansive bass, the P3D4-12 delivers outstanding performance.
Key Features:
- 12-Inch Dual 4-Ohm Subwoofer: Delivers deep, powerful bass for an enhanced audio experience.
- Anodized Aluminum Cone and Dust Cap: Provides strength and durability for long-lasting performance.
- VAST™ Technology: Increases cone area by up to 25% for greater bass output.
- Hybrid Stamp-Cast Basket: Reduces resonance and distortion, ensuring clean, accurate bass.
- Optimized for Sealed and Vented Enclosures: Offers versatile installation options to suit various audio preferences.
Why Choose the Rockford Fosgate P3D4-12?
The Rockford Fosgate P3D4-12 is an excellent choice for car audio enthusiasts who want to experience deep, impactful bass in their vehicle. With its durable construction, versatile installation options, and powerful bass output, this subwoofer delivers the high-quality sound you need to elevate your music. Whether you're upgrading a factory system or building a custom setup, the P3D4-12 provides the performance and reliability you need for an exceptional audio experience.
Upgrade Your Car Audio with the Rockford Fosgate P3D4-12
Ready to add deep, resonant bass to your car’s audio system? Order the Rockford Fosgate P3D4-12 12-inch dual 4-ohm subwoofer today and enjoy enhanced sound quality on every drive.
Specifications:
| Specification | Details |
|---|---|
| Size | 12 inches |
| Impedance | Dual 4 ohms |
| Power Handling | 600 watts RMS, 1200 watts peak |
| Frequency Response | 27 Hz – 250 Hz |
| Sensitivity | 85 dB @ 1W/1M |
| Mounting Depth | 6.66 inches |
| Cone Material | Anodized aluminum |
| Surround Material | Santoprene™ |
| Voice Coil Diameter | 2.5 inches |
| Magnet Weight | 96 oz. |
| VAST™ Technology | Increases cone area by up to 25% |
Frequently Asked Questions
Q: What size is the Rockford Fosgate P3D4-12 subwoofer?
A: The Rockford Fosgate P3D4-12 is a 12-inch subwoofer, perfect for delivering deep, powerful bass in your car’s audio system.
Q: What kind of sound quality can I expect from the P3D4-12 subwoofer?
A: The P3D4-12 subwoofer provides deep, resonant bass with accurate low-frequency reproduction, enhancing your music’s overall sound quality.
Q: Is the P3D4-12 subwoofer durable?
A: Yes, the P3D4-12 is built with an anodized aluminum cone and dust cap, ensuring long-lasting performance and durability.
Q: Can I install the Rockford Fosgate P3D4-12 in any type of enclosure?
A: The P3D4-12 is optimized for both sealed and vented enclosures, offering versatility in your car audio setup to match your preferred bass sound.
Q: Why should I choose the Rockford Fosgate P3D4-12 subwoofer for my car?
A: The P3D4-12 subwoofer offers deep, powerful bass, durable construction, and versatile installation options, making it an excellent choice for upgrading your car’s audio system.
Upgrade Your Audio Experience on the Road!
Don’t miss out on the opportunity to elevate your car’s sound system with deep, powerful bass. Order the Rockford Fosgate P3D4-12 now and enjoy an exceptional audio experience on every drive.
- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase

Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Expandable by Design
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
Why Buying This Here Is Safer Than Anywhere Else
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Installer Support
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Authorized Products
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
