ROCKFORD RM112D2B – Marine Black Subwoofer 30 cm Prime Series – 200 W RMS – 1/4 Ohms
Produit disponible sous 6 jours.
SKU: RM112D2B
Category: 30 cm Subwoofers - Dynamic Bass, Dual Voice Coil Subwoofers - Power and Versatility, Home Page, Marine Subwoofer – Deep Bass, Rockford Fosgate
Vendeur:Rockford

ROCKFORD RM112D2B – Marine Black Subwoofer 30 cm Prime Series – 200 W RMS – 1/4 Ohms
The Rockford RM112D2B is a 12” (30 cm) dual voice coil subwoofer from the Prime Marine series, specially designed to withstand the most extreme environments: boats, off-road vehicles, jet skis, etc. This black finish version stands out for its discreet and elegant design, while retaining all the technical marine features necessary for prolonged outdoor use.
Main features
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Size : 12 inches (30 cm)
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RMS power : 200 Watts
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Max Power : 400 Watts
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Impedance : Dual voice coil – 1 Ohm or 4 Ohms (D2 model)
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Certified marine design : water, UV, salt spray resistance
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Membrane : Injected polypropylene, reinforced with UV additives
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Suspension : Santoprene, durable and resistant to external aggressions
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Connectors : Spring-loaded, corrosion-resistant push terminals
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Removable black grille provided
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Use : Sealed enclosure, bass reflex or infinite baffle
Box contents
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1 x Rockford RM112D2B subwoofer black
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1 x Removable black grille
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1 x Installation Manual
Technical specifications
Characteristic | Value |
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Size | 12" (30 cm) |
Impedance | 1 or 4 Ohms (dual coil 2 Ohms) |
RMS power | 200 Watts |
Max Power | 400 Watts |
SPL sensitivity | 89 dB (1W/1m) |
Fs | 28.5 Hz |
D | 3.7 Ohms |
THE | 2.16 mH |
Sd | 585 cm² |
Qes / Qms / Qts | 0.62 / 10.06 / 0.59 |
Xmax | 7 mm |
Displaced volume | 3.49 L |
Cutting diameter | 276 mm |
Coil diameter | 2” aluminum |
CEA-2031 compliant | Yes |
Recessed dimensions
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Cutting diameter : 276 mm
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Recessed depth : Not specified
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Required volume : Suitable for sealed, ventilated enclosures or infinite baffle installations
Why choose the Rockford RM112D2B?
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✅ Designed for the marine and powersport environment
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✅ Discreet black finish with matching grille
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✅ Materials resistant to UV, humidity, salt
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✅ Versatile in all types of boxes
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✅ Dual coil for flexible wiring in 1 or 4 Ohms
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✅ Optimized acoustic performance at low power
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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