Rockford Fosgate

Rockford R1S4-12 12inch Prime SVC Subwoofer

#Rockford R1S4-12 12inch Prime SVC Subwoofer
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4990 5990

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Rockford R1S4-12 12inch Prime SVC Subwoofer

The R1S4-12 features a 4-Ohm Single Voice Coil design, 150 Watt RMS power handling, and is optimized for both sealed and vented enclosures.

Rockford Fosgate Prime R1 12” subwoofers provide high performance bass at an unbelievable value. This model features a laser etched curvilinear dust-cap to dissipate heat generated by the high?temp copper voice coil as well as a solid stamped steel frame with integrated frame mounted compression terminals. Best of all, they are optimized for both sealed and vented enclosures.

  • Fiber reinforced painted paper-pulp cone

  • Laser-etched aluminum dustcap

  • High durability compressed foam surround

  • Fatigue resistant poly-cotton spider with integral woven leads

  • Proprietary powder coated stamped steel frame with spider cavity venting

  • Bumped backplate with vented pole piece for greater thermal/mechanical power handling

  • High-temp copper voice coil with aluminum former

  • High-grade Y30 Ferrite magnet

  • Integrated spring-loaded nickel-plated push terminals

  • Integrated ABS decorative trim ring


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.


Brand : Rockford Fosgate
Sensitivity : 87 dB
Impedance : 4 ohms
Model : R1S4-12
Cone Material : Fiber reinforced painted paper-pulp and Parabolic Polypropy
Low Pass Filter : No
Type : Component
Size (Inches) : 12
RMS Power (watts) : 150
Surround Material : Butyl rubber surround
Dimensions (Width x Height x Depth) : 27.8x12.7 cm
Peak Power Handling (watts) : 300 W
Price : 4990
Built-in Amplifier Class : No
MRP : 5990
Ideal Ported Box Volume (cubic feet) : NA
Frequency Response : 22 - 250 Hz
Ideal Sealed Box Volume (cubic feet) : 0.7-1.8

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