ROCKFORD FOSGATE M212S4B – 12" marine subwoofer black – 300 W RMS – 4 Ohms
Produit disponible sous 6 jours.
SKU: M212S4B
Category: 30 cm Subwoofers - Dynamic Bass, Marine Subwoofer – Deep Bass, Rockford Fosgate
Vendeur:Rockford
ROCKFORD FOSGATE M212S4B – 12" marine subwoofer black – 300 W RMS – 4 Ohms
Elevate the bass in your boat or powersport vehicle with the Rockford Fosgate M212S4B marine subwoofer . Its reinforced polypropylene cone , UV- and salt-resistant TPE surround , and 16-gauge stainless steel grille provide exceptional durability against the elements. Designed for sealed, vented, or infinite baffle installations, it delivers up to 300W RMS with 12mm of linear excursion for deep, controlled bass without compromising reliability.
Main features
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Model: Punch M212S4B 12" (30 cm) subwoofer
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Materials: mineralized polypropylene cone, UV/dirt TPE surround, removable stainless steel grille
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Technologies: true marine-grade , gold-plated pressure terminals, shielded magnet, isolated internal wiring
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Features: sealed operation, bass-reflex or infinite baffle , removable grille, UV-stable Centrex® parts
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Power: 300 W RMS / 600 W max
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Performance: 87 dB sensitivity, 12 mm Xmax for long excursion
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Installation: 10 mm² terminals, compact depth 16.7 cm , cut-out diameter 27.8 cm
Pack contents
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1 × Rockford Fosgate M212S4B Subwoofer (black)
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1 × Removable 16-gauge stainless steel grid
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1 × Decorative ring (trim ring)
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Fixing screws and sealing gasket
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Multilingual Installation Guide
Technical specifications
| Data | Value |
|---|---|
| Nominal diameter | 12" / 30 cm |
| Nominal impedance | 1 × 4 Ω |
| RMS power | 300 W |
| Max power | 600 W |
| Sensitivity (1 W/1 m) | 87 dB |
| Re (DC) | 3.10 Ω |
| Fs | 35 Hz |
| Qts | 0.52 |
| Qes / Qms | 0.55 / 9.00 |
| Go | 44.3 L |
| Linear Xmax | 12 mm |
| Sd | 510 cm² |
| Cutting diameter | 278 mm |
| Occupant volume | 1.50 L |
| HP terminals | Up to 10 mm² |
| Magnetic weight | 2.65 kg |
| Coil material | Kapton® / copper 49.5 mm |
Recessed dimensions
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Recessed depth: 16.72 cm
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Cutting diameter: 27.82 cm
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Total weight: 9.15 kg
Why choose this product?
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🌊 True marine certification : resistant to water, UV, salt spray and vibrations.
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🔊 Powerful and deep bass : 300 W RMS, Xmax 12 mm.
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🛠️ Installation versatility : compatible with sealed, ventilated or infinite baffle enclosures.
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🛡️ Premium materials : reinforced polypropylene cone, anti-degradation TPE surround, removable stainless steel grille.
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⚡ High-capacity terminals : secure connection up to 10 mm² for loss-free power supply.
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🚤 Discreet and elegant design : black finish with stainless steel insert to blend into any cockpit or dashboard.
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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