ROCKFORD P3SD2-12 – 12" Flat Subwoofer – 400W RMS – 2 Ohms
Produit disponible sous 6 jours.
SKU: P3SD2-12
Category: 30 cm Subwoofers - Dynamic Bass, Car Audio Subwoofers, Dual Voice Coil Subwoofers - Power and Versatility, Home Page, Rockford Fosgate
Vendeur:Rockford

ROCKFORD P3SD2-12 – 12" Flat Subwoofer – 400W RMS – 2 Ohms
The ROCKFORD P3SD2-12 is a 12-inch (30 cm) flat-panel subwoofer that overcomes the limitations of traditional enclosures thanks to its space-optimized design. With an RMS power of 400W and a maximum power of 800W , it delivers rich, deep bass, even in mounting configurations where depth is limited. Its dual voice coil allows for maximum flexibility to adapt to various configurations. This subwoofer is perfect for vehicles where a conventional woofer cannot be used, while still delivering impressive performance in closed or vented enclosures.
Main features
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Model : ROCKFORD P3SD2-12 – 12" (30 cm) flat subwoofer
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RMS power 400W / Max 800W
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Impedance : Dual 2 Ohms (D2)
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M-Roll Santoprene™ technology for increased durability and performance
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StampCast basket with integrated ventilation for optimal thermal management
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Anodized aluminum cone with protective cap
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Low profile motor for installation in compact spaces
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65.5mm oscillating coil for precise sound and better control
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Optimized for closed and ventilated enclosures
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Optional grille with cast aluminum trim ring
Pack contents
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1 x ROCKFORD P3SD2-12 Subwoofer
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1 x User Manual
Technical specifications
Specifications | Values |
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Size | 12" (30 cm) |
Impedance | Dual 2 Ohms (D2) |
RMS power | 400 Watts |
Max Power | 800 Watts |
Resonant frequency (Fs) | 34 Hz |
Sensitivity (SPL) | 85 dB at 1 W/1 m |
Qts | 0.67 |
Qms | 6.60 |
Re (DC resistance) | 3.40 Ohms |
Go | 35.3 liters |
Xmax | 8.4 mm |
Sd | 500 cm² |
Closed box volume | 28.3 liters |
Bass reflex box volume | 35.3 liters |
Recessed dimensions
Detail | Value |
---|---|
Installation depth | 92.5 mm |
Cutting diameter | 285 mm |
Total weight | 6.01 kg |
Magnet weight | 1.47 kg |
Why choose this product?
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✅ Flat design ideal for tight spaces
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✅ Impressive 400W RMS power for deep, powerful bass
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✅ M-Roll Santoprene™ technology for increased durability
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✅ StampCast basket with ventilation for optimal thermal performance
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✅ Low profile motor for easy installation in tight spaces
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✅ Optional grille for a stylish finish and extra protection

Shipping Policy
At Multison, we are committed to providing you with a fast, reliable and secure delivery service for all your in-car audio, video and multimedia products.
Delivery Zones
We deliver to mainland France and several European countries, directly from our warehouse in France.
Delivery Times
Delivery times vary depending on the product and destination:
- Metropolitan France : Generally, 4 to 8 working days after order processing.
- Europe : Approximately 5-15 business days depending on destination and local shipping conditions.
Please note that delivery times are indicative and may vary depending on periods of high demand, such as holidays or sales.
Order Tracking
As soon as your order is shipped, you will receive a confirmation email containing a tracking number allowing you to follow your package in real time.
Shipping Costs
Shipping costs are automatically calculated at checkout based on the size, weight and destination of your package. Free shipping options may be available for certain purchase amounts or during special promotions.
Delays and Incidents
In case of any delay or problem related to the delivery, our customer service is at your disposal to assist you. You can contact us via our "We are here to help you" page for any questions or follow-ups.
Returns
We want you to be completely satisfied with your purchases. If you are not completely satisfied, here is our return policy:
- Return Period : You have 14 days from receipt of your order to make a return.
- Return Conditions : Items must be in their original condition, unused, and in their original packaging.
- Return Procedure : Please contact our customer service via our "We're here to help" page for return instructions. Return fees may apply depending on the circumstances.
We are here to support you in your shopping experience and ensure your satisfaction.
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Installation guides
Access detailed tutorials and tips for simple and successful installation of your equipment.
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Care instructions
Follow our recommendations to keep your equipment in perfect condition and extend its lifespan.
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Specific Services
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