Rockford Fosgate R1S4-12
12" Prime Stage 1 Single 4 ohm Subwoofer
Retail Price: $89.99
Your Price: $69.95
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Item Id: 20422
The Rockford Fosgate Prime R1S4-12 features a 4-Ohm Single Voice Coil design, 200 Watt RMS power handling. 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, it is optimized for both sealed and vented enclosures.


12" single 4 ohm component subwoofer
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


Subwoofer size: 10"
Number of voice coils: 1
Impedance: 4 ohm
Voice coil diameter: 2.0"
SPL: 90
Xmax: 7.0mm

Power Handling:

Up to 400 watts peak
Up to 200 watts RMS


1 year warranty
Subwoofer Size 10"
RMS Power Handling 200 watts
Impedance (Per Voice Coil) 4 ohms
Recommended Enclosure Type Ported / Vented
Recommended Enclosure Type Sealed