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Rockford Fosgate R1S412 Prime Series 12" 4-ohm subwoofer

Item # 575R1S412

Get Rockford Fosgate bass in your car without a heavy investment.

Get Rockford Fosgate bass in your car without a heavy investment.

1 question - 1 answer

Item # 575R1S412

Shop all Rockford Fosgate Component Subwoofers

About the Rockford Fosgate R1S412

Dominic DeVito
Get Rockford Fosgate bass in your car without a heavy investment. Prime Series subs use rigid polypropylene cones and butyl rubber surrounds to punch out powerful deep notes. Stamped solid-steel frames ensure long life, even under heavy fire, while the aluminum voice coil formers dissipate heat efficiently when you're pushing your system hard. And these subs look as mean as they sound.

Get Rockford Fosgate bass in your car without a heavy investment. Prime Series subs use rigid polypropylene cones and butyl rubber surrounds to punch out powerful deep notes. Stamped solid-steel frames ensure long life, even under heavy fire, while the aluminum voice coil formers dissipate heat efficiently when you're pushing your system hard. And these subs look as mean as they sound.

The Prime R1S412 12" sub handles up to 150 watts RMS. Rockford Fosgate optimizes Prime subs for space-saving sealed enclosures, so you can expect highly accurate low end to complement your music.

Priced per speaker

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Product highlights:

  • 12" 4-ohm subwoofer
  • polypropylene woofer cone with butyl rubber surround
  • 18-gauge stamped steel frame
  • power range: 50-150 watts RMS (300 watts peak power)
  • frequency response: 22-250 Hz
  • sensitivity: 87 dB
  • top-mount depth: 4-15/16"
  • sealed box volume: 0.7-1.8 cubic feet
  • ported box volume: n/a
  • warranty: 1 year
  • MFR # R1S412

What's in the box:

  • 12" SVC 4-ohm subwoofer
  • Installation/Operation Manual

Customer reviews for Rockford Fosgate R1S412

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More details on the Rockford Fosgate R1S412

Pat M.

Product Research

Features
Enclosure Compatibility

Features

Overview: The Rockford Fosgate Prime R1S412 is a 12-inch, 4-ohm single voice coil subwoofer. The Rockford Fosgate Prime subwoofer features a solid stamped steel frame, quick-release compression terminals, and a Parabolic polypropylene cone. The Prime R1S412 subwoofer is optimized for sealed enclosures.

Parabolic Polypropylene Cone Design: The Parabolic Polypropylene cone design results in solid bass reproduction.

Aluminum Voice Coils: The Rockford Fosgate Prime subwoofer uses anodized aluminum voice coil formers that provide excellent heat dissipation. The woofer's aluminum voice coils keep the speaker running cool, even under demanding conditions. Unlike traditional plastic substitutions, aluminum acts like a heat-sink to quickly dissipate thermal build-up on the voice coil. This keeps subwoofers cool during high SPL conditions.

Stamped Steel Basket: The R1S412 subwoofer features a stamped steel basket for added rigidity.

Compression Terminals: The Prime R1S412 features spring post terminals which accommodate up to 12 AWG speaker wire.

CEA-2031 Compliant: Power handling on the Rockford Fosgate Prime R1S412 subwoofer conforms to CEA-2031 industry standards. This means the subwoofer has the capacity to handle power under continuous demand, not instantaneous power handling, that over time, can damage voice coils.

Enclosure Compatibility

Sealed Box Volume: The sealed box sizes recommended by Rockford Fosgate range from 0.7 cu/ft to 1.80 cu/ft. The ideal recommended volume is 1.02 cu/ft.

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Customer Q&A

1 question already asked

Q
Will it fit in the space of The factory sub that came with vehicle I do not want to have it in an external box?
henry  Apr 16, 2014
1 answer
A
For details on fit or installation please contact an Advisor by phone (1-800-324-9695) or online chat. They will be able to pull up your vehicle and give you the details on if this will fit and what you will need for an installation in your vehicle.
kristina  Apr 16, 2014 (Staff)

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