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Rockford Fosgate M212S4B (Black)

12" Single 4 ohm Marine M2 Series Subwoofer

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Improving Sound Waves While Riding the Waves

Being on a boat can be pretty loud with the sound of the motor running and other boaters within your vicinity making noise. So you buy some speakers and they sound great but you really can't make out any of the bass coming from you audio source. Lucky for you Rockfod Fosgate has the perfect solution to your problem. This 12", marine rated, M2 series subwoofer is rated at 300 watts RMS which will vastly improve the bass output in your audio system. The woofer is equipped with an injection molded mineral filled parabolic polypropylene cone for rigidity and improved performance. The UV and salt-fog resistant TPE surround is built to take the harsh environments of the sun and ocean giving your subwoofer longevity. The sleek black finish makes it compatible with just about any boat interior, while its speaker grille adds some protection from possible objects rolling around the deck. Don't let your audio system go to waste with weak bass, Rockford Fosgate's M212S4B is the perfect way to add some bass that is enjoyable, crisps, clear, and responsive.

  • 12" Single 4 ohm Marine M2 Series Subwoofer
  • Power Handling:
    • Peak: 600 watts
    • RMS: 300 watts
  • Impedance: 4 ohms
  • Injection molded mineral filled parabolic polypropylene cone
  • UV and Salt-Fog resistant TPE (Thermo-Plastic Elastomer) surround
  • High temperature KaptonŽ former with polyimide insulated copper wire
  • Internal magnetic shielding for reduced electromagnetic interference potential
  • 2" Voice coil
  • Linear, high excursion matched motor magnetics and suspension design
  • Frequency response: 30-250 Hz
  • Sensitivity: 87 dB
  • Color is Black
  • Also available in: White
  • 1-year SonicElectronix.com warranty
Subwoofer Specifications
Subwoofer Size12"
Subwoofer DesignRound / Circle
Main Cone ColorBlack
Voice Coil(s)Single
Impedance (Per Voice Coil)4 ohms
Peak Power Handling600 watts
RMS Power Handling300 watts
Woofer SurroundThermo-Plastic Elastomer
Woofer CompositionPolypropylene
Minimum Sealed Box VolumeN/A
Maximum Sealed Box VolumeN/A
Minimum Ported Box VolumeN/A
Maximum Ported Box VolumeN/A
Sensitivity87 dB
Frequency Response30 - 250 Hz
Xmax (millimeters)12 mm
Top-Mount Depth6-5/8"
Shallow Mount InstallationNo
Cutout Diameter11"
Recommended Enclosure TypePorted / Vented
Sealed
Subwoofer GrilleYes - Included
Re-Cone Kit AvailableNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderSonic Electronix
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Rockford Fosgate M212S4 (White)
12" Rockford Fosgate Marine M2 Series Subwoofer • 600 watts Peak • 300 watts RMS • 4 ohms • Polypropylene Cone • Thermo-Plastic Elastomer Surround • KaptonŽ Former • Magnetic Shielding • White

Product Summary

Manufacturer: Rockford Fosgate
Model number: M212S4B
UPC: 780687328764
Weight: 20.00 lbs
Internal SKU: m212s4b
Internal product ID: 15641

Price Information

$449.99

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$199.95

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Customer Testimonial

Exceptional service. I do believe that you have it right by prepaying the duty and taxes beforehand. That in itself is a great benefit for us Canadians. Keep up the great work, Sonic. When the need arises again I will, without hesitation, shop at Sonic again.

- Cec from Canada

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