Rockford Fosgate Prime R2 Series 12" Subwoofer
Key features
- Subwoofer size: 12.0 inches
- RMS power per subwoofer: 250 W
- Voice-coil options: S2, S4
- Mounting depth: 5.10 inches
- Cutout diameter: 11.22 inches
- Overall driver diameter: 12.97 inches
Rockford Fosgate Prime R2 Series 12" Subwoofer - Single 2 Ohm is backordered and will ship as soon as it is back in stock.
Rockford Fosgate Prime R2 Series 12" Subwoofer - Single 2 Ohm is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Get defined bass for your vehicle with the Rockford Fosgate Prime R2 Series 12" subwoofer. This dual-voice-coil 12-inch driver is designed for sealed or vented enclosures, with a mica-injected polypropylene cone and integrated spider venting.
Choose the dual 2-ohm or dual 4-ohm version to suit your amplifier and wiring plan. Its specified enclosure volumes help guide a compact to mid-sized trunk build.
Key Features & Benefits
- Dual voice coil: Choose between dual 2-ohm and dual 4-ohm versions for wiring flexibility.
- Mica-injected polypropylene cone: Stiffness and damping support tight, accurate bass with reduced cone loss at high excursion.
- Vented stamped-cast basket: Integrated spider venting helps move heat away from the motor during demanding playback.
- 12 AWG compression terminals: Provide robust connections for a durable installation.
- Sealed or vented enclosure options: Use the listed box volumes to guide your enclosure choice.
- Integrated PVC trim ring: Adds a clean, factory-like finish to the installation.
Technical Specifications
| Product type | 12-inch dual-voice-coil subwoofer |
|---|---|
| Voice coil diameter | 2" (51 mm) |
| Nominal impedance versions | Dual 2-Ohm or Dual 4-Ohm |
| Power handling | 250 Watts RMS, 500 Watts Max |
| Cone | Mica-injected polypropylene |
| Voice coil former | Anodized aluminum |
| Basket | StampCast basket with integrated spider venting |
| Terminals | 12 AWG compression terminals |
| Trim ring | Integrated PVC trim ring |
| CEA compliance | CEA-2031 compliant |
| Electrical parameters | Fs 34.6–34.9 Hz; Sd 539.1 cm²; Le 3.9 mH; Re 3.80–7.17 Ω; Qts 0.58–0.60; Qes 0.62–0.66; Qms 7.33–8.29; Vas 66.4–68.8 L |
| Xmax | 6.5 mm linear excursion |
| SPL | 88.7–89 dB (1W/1m) |
| Enclosure volumes | Sealed Vb 1.02 cu ft (28.8 L); Vented Vb 1.79 cu ft (50.6 L) |
| Cutout diameter | 11.25" (285 mm) |
| Mounting depth | 5.067" (128 mm) |
Why Choose This Product?
The Prime R2 combines a 12-inch driver with 6.5 mm of linear excursion for bass extension in typical car enclosures. Its dual voice coil gives you a choice of impedance versions, while the listed sealed and vented volumes help shape your enclosure planning. The anodized aluminum voice coil former adds thermal stability and durability under demanding bass use.
Installation & Compatibility Notes
Check that your enclosure provides the required 11.25" cutout and 5.067" mounting depth. Match the selected dual-voice-coil impedance to your amplifier and wiring plan, and use suitable amplification for the subwoofer’s power rating. The listed enclosure volumes are 1.02 cu ft sealed or 1.79 cu ft vented.
Frequently Asked Questions
Which impedance version should I choose?
The subwoofer is available in dual 2-ohm and dual 4-ohm versions. Choose the version that matches your amplifier and intended wiring plan.
Can I use it in a sealed enclosure?
Yes. The listed sealed enclosure volume is 1.02 cu ft (28.8 L). The vented option is 1.79 cu ft (50.6 L).
What space do I need for mounting?
Allow for an 11.25" (285 mm) cutout and 5.067" (128 mm) mounting depth.
What power handling should I consider?
Power handling is 250 Watts RMS and 500 Watts Max. Pair it with suitable amplification and an impedance-compatible setup.
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