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Description

Rockford Fosgate Prime R2SD4-12

The Rockford Fosgate R2SD4-12 is a 12-inch dual 4-ohm shallow-mount subwoofer designed for vehicles with limited space but high bass performance demands. Its mica-injected polypropylene cone and reinforced basket provide precise, deep, and punchy bass while maintaining durability. With an ultra-shallow 3.6-inch mounting depth, it fits in tight spaces where traditional subwoofers cannot, making it ideal for compact cars, trucks, or custom shallow enclosures. Handling 250W RMS and 500W Peak power, the R2SD4-12 offers consistent bass across all music genres. Built for reliability and efficient performance, this subwoofer is perfect for upgrading factory systems or creating a space-saving custom setup without sacrificing sound quality.


Features

Feature Description
Subwoofer Size 12″ Prime R2 (shallow-mount)
Voice Coil Dual 4‑ohm (flexible wiring)
Power Handling 250W RMS / 500W Peak
Cone Material Mica-injected polypropylene (accurate bass)
Mounting Depth Ultra-shallow 3.6 inches

 


Specifications

Specification Details
Brand Rockford Fosgate
Model R2SD4-12
Subwoofer Size 12 inches
Power Handling 250W RMS / 500W Peak
Voice Coil Dual 4‑Ohm
Frequency Response 43 Hz – 250 Hz
Mounting Depth 3.6 inches (approx.)
Series Prime R2 Shallow-Mount Series

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Questions and Answers

Q1: Can the R2SD4-12 fit in shallow enclosures?
Yes, with only 3.6 inches of mounting depth, it’s perfect for tight spaces.
Q2: What amplifier power is recommended for this subwoofer?
An amplifier rated around 250W RMS @ 4 ohms is ideal.
Q3: Is it suitable for upgrading factory-installed systems?
Yes, it provides stronger bass than most stock subwoofers
Q4: How durable is this subwoofer?
It uses a mica-injected polypropylene cone and reinforced basket for long-term reliability.
Q5: Does it work well with sealed or ported boxes?
Yes, but it is especially effective in shallow sealed enclosures.

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