Rockford Fosgate Prime Series Enclosures

Rockford Fosgate took DNA from its big brother to provide a great performing bass enclosures. Constructed from heavy duty 5/8″ MDF, these enclosures are built solid and will reproduce bass the way it’s supposed to be; accurate and full of impact. The unique “Diamond R” stitching will let your friends know you mean business, and the high density carpet will make sure it looks as good as it sounds.

Key features

  • Sealed enclosure loaded with two 12-inch R1S412 subwoofers
  • Constructed with 5/8″ MDF and covered with high density carpet
  • 600 watts maximum power handling, 300 watts RMS
  • Parabolic polypropylene cone, design optimized for sealed enclosures
  • High current binding posts

Design descriptions

Rockford Fosgate Prime Double 12-Inch 4 Ohm pre-loaded enclosure. Visit 24 hours a day for technical support or call (800)669-9899 M-F 7 am to 5 pm MST.Need Rockford Fosgate bass in a hurry?  Drop this dual 12″ Prime Loaded enclosure which are the best shallow mount subwoofers case in your ride and let the tunes bump. Featuring high current binding posts, 5/8″ MDF construction, and finished with high density carpet, these loaded enclosures will produce more than enough bass.

R1L-2X12 Specifications


Woofer Quantity: 2
Woofer Size: 12″
Woofer Series: Prime R1S412
Woofer Impedance: (2) 4-Ohm SVC
Internally wired in parallel to create a 2-Ohm amplifier load
Power Handling: 300 Watts RMS
600 Watts Max
System Configuration: Sealed
Enclosure Material: 5/8″ MDF (Medium Density Fiberboard)
Speaker Connector: Up to 12 AWG compression terminals
Dimensions: 14″ H x 33.75″ W x 12.25″ D


R1L-2X12 Features


  • Constructed with 5/8″ MDF
  • Covered with high density carpet
  • High current binding posts

R1S412 Subwoofer

  • Parabolic polypropylene cone
  • 12 AWG compression terminals
  • 18 gauge stamped steel frame
  • Optimized for sealed enclosures


Drop this dual 12″ Prime Loaded enclosure in your ride and let the tunes bump.

Click to enlarge.                Loaded with two 12-inch Rockford Fosgate R1S412 subs, optimized for sealed enclosures.

Thirty Years of Rockford Fosgate

Rockford Fosgate products have been designed and engineered in Tempe, Arizona since the beginning. Rockford’s 30 year reputation is grounded in engineering and manufacturing some of the finest audio products in the world. The company’s no-compromise approach has yielded patented iconic products such as the Punch EQ, Punch 45 amplifier and the 3Sixty integrated signal processor. Today, Rockford’s new products push the performance envelope even further. Each new product is a step forward–they sound bigger, they play louder, and run longer. Rockford never settles for “good enough.”

The 2010 product line represents the company’s core philosophy. Rockfords new amplifiers, speakers and subwoofers have raised the bar on the competition.

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