ROCKFORD R2D4-12 – Subwoofer 30 cm (12") – Dual Coil – 250 W RMS – 4 Ohm
Produit disponible sous 6 jours.
SKU: R2D4-12
Category: 30 cm Subwoofers - Dynamic Bass, Car Audio Subwoofers, Dual Voice Coil Subwoofers - Power and Versatility, Home Page, Rockford Fosgate
Vendeur:Rockford
ROCKFORD R2D4-12 – Subwoofer 30 cm (12") – Dual Coil – 250 W RMS – 4 Ohm
The Rockford Fosgate R2D4-12 is a 12" (30 cm) Prime Series subwoofer designed to deliver powerful, dynamic and precise bass . Its dual 4 ohm voice coil allows flexible installations for any type of mono or stereo configuration.
It features a mica-injected polypropylene cone , a stamped metal basket with integrated Spider ventilation , and an anodized aluminum voice coil holder , ensuring optimal cooling and long-lasting performance . This subwoofer is compatible with sealed or vented enclosures, and is perfect for car audio enthusiasts looking for excellent value for money.
Main features
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12" (30 cm) dual voice coil subwoofer
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Power handling : 250 W RMS / 500 W Max
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Impedance : Dual 4 ohm voice coil (2x4Ω)
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Membrane : Polypropylene injected with mica
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Basket : StampCast with integrated Spider ventilation
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Spool Holder : Anodized Aluminum
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Spinne : Linear with integrated 16 AWG braided cables
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Connections : 4 mm² compression terminals
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Mounting : Optimized for sealed or bass reflex enclosures
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Finish : Integrated PVC finishing ring
Pack contents
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1 Rockford Fosgate R2D4-12 Subwoofer
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Integrated PVC finishing ring
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Installation instructions
Technical specifications
| Features | Detail |
|---|---|
| Kind | 12" (30 cm) subwoofer |
| RMS power | 250 Watts |
| Maximum power | 500 Watts |
| Coil type | Dual Coil (DVC) |
| Impedance | 2x 4 Ohms |
| Coil diameter | 51 mm |
| SPL sensitivity (1W/1m) | 89 dB |
| Resonant frequency (Fs) | 34.9 Hz |
| DC resistance (Re) | 7.17 Ohms |
| Inductance (The) | 3.9 mH |
| Membrane surface area (Sd) | 539.1 cm² |
| Qts | 0.60 |
| Qms | 7.33 |
| Qes | 0.66 |
| Equivalent air volume (Vas) | 68.8 liters |
| Linear excursion (Xmax) | 6.5 mm |
| Recommended box volume (closed) | 28.8 liters |
| Recommended subwoofer volume (bass reflex) | 50.6 liters |
| Installation depth | 128 mm |
| Cutting diameter | 285 mm |
| Moving the speaker | 1.3 liters |
| Engine weight | 1.35 kg |
| Total shipping weight | 9.49 kg |
Why choose the Rockford Fosgate R2D4-12?
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✅ Dynamic and precise bass , ideal for a powerful installation
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✅ Dual 4 ohm coil for flexible wiring (2 or 8 ohms in parallel/series)
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✅ Robust and high-performance construction
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✅ Compatible with closed or ventilated enclosures
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✅ The world-renowned Rockford Fosgate signature sound
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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