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Variants
The Rockford Fosgate Prime 12" R2 2-Ohm DVC Subwoofer provides loud, punchy bass and good build/value for small or budget installs, but it won’t match higher-end subs and needs appropriate power matching.
Buyer confidence
85%Highlights
- 1 Year Warranty
- StampCast basket with integrated spider venting
- Mica reinforced polypropylene cone
- Anodized aluminum voice coil former
Key specs
Full specs- Size
- 12"
- Voice Coil Type
- Dual Voice Coil
- Nominal Impedance
- Dual 2-Ohm
- Vas (Liters)
- 66.4
- Qms
- 8.29
- Qes
- 0.62
- Qts
- 0.58
- Le (mH)
- 3.9
Key specs
Full specs- Size
- 12"
- Voice Coil Type
- Dual Voice Coil
- Nominal Impedance
- Dual 2-Ohm
- Vas (Liters)
- 66.4
Highlights
Overview- 1 Year Warranty
- StampCast basket with integrated spider venting
- Mica reinforced polypropylene cone
Review highlights
Based on customer reviewsPunchy, compact 12" sub that delivers strong bass for budget builds
The Rockford Fosgate Prime 12" R2 2-Ohm DVC Subwoofer provides loud, punchy bass and good build/value for small or budget installs, but it won’t match higher-end subs and needs appropriate power matching.
What buyers praise
- Strong, punchy bass for the price
- Compact 12" size fits small spaces and tight vehicle installs
What to watch for
- Not as powerful or refined as higher-end 12" subs — may disappoint if you expect premium performance
Overview
The Rockford Fosgate Prime R2D2-12 is a 12" car subwoofer rated for 250W RMS with a 2‑Ohm dual voice coil for flexible system wiring and enclosure options.
Best for
- Car audio enthusiasts who want a reliable 12" subwoofer for punchy low frequencies
- Installations where wiring flexibility is needed to match amplifier impedance
Key points
- 12" driver, 250 Watt RMS power handling
- 2‑Ohm dual voice coil (DVC) for multiple wiring configurations
- Mica-injected polypropylene cone for stiffness and consistent performance
- Stamp-cast basket with spider venting to help keep the motor cool
- Optimized for use in sealed and vented enclosures
- Technologies: Klippel Verified, CEA-2031, anodized aluminum voice coil former, stitched tinsel leads
Fit and use
Designed for mobile audio, the dual voice coil lets installers choose wiring setups to better match amplifier load and system goals. These drivers are tuned to perform well in both sealed and ported (vented) enclosures.
What to know
Rated at 250W RMS, the Prime R2D2-12 focuses on dependable bass performance rather than extreme power claims. Klippel verification and CEA-2031 compliance indicate measured performance and standardized specification reporting. Specific enclosure volume, tuning, and amplifier pairing will affect final output and should…
Highlights
Key features
- 1 Year Warranty
- StampCast basket with integrated spider venting
- Mica reinforced polypropylene cone
- Anodized aluminum voice coil former
- Optimized for both sealed and vented enclosures
- 12 AWG compression terminals
- Linear spider with embedded 16 AWG tinsel leads
- Integrated PVC trim ring
- Klippel Verified
- CEA-2031
- Anodized Aluminum Voice Coil Former
- Stitched Tinsel Leads
More info
Manufacturer details
Car Audio Fanatics wanting big bass can rely on the Prime R2D2-12 subwoofer. This 12” subwoofer handles 250 Watt RMS and the 2-Ohm Dual Voice Coil design lets you to wire them in various configurations.
Additional details
Car Audio Fanatics who want Rockford Fosgate quality can rely on the Prime Series 12" subwoofers to get the job done, and the Dual Voice Coil provides awesome installation flexibility. These drivers can pump out the bass due to their mica injected polypropylene cone, and their stamp-cast baskets with spider venting - typically reserved for more expensive models - keep the motor running cool! These R2 subwoofers are optimized for sealed and vented enclosures.
Technologies
Klippel Verified
To adorn the ‘Verified with Klippel’ mark, the qualifying company’s loudspeaker engineering personnel must be
CEA-2031
Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards. This means your speaker has
Anodized Aluminum Voice Coil Former
Two things generally happen when voice coils heat-up. They can generate heat close to the melt-down temp of their
Stitched Tinsel Leads
Multipoint "periodic" stitched lead wire technique reduces the mass of each tinsel lead and spreads stress and
Specs
Specifications
24
| Size | 12" |
| Voice Coil Type | Dual Voice Coil |
| Nominal Impedance | Dual 2-Ohm |
| Vas (Liters) | 66.4 |
| Qms | 8.29 |
| Qes | 0.62 |
| Qts | 0.58 |
| Le (mH) | 3.9 |
| Fs (Hz) | 34.6 |
| Voice Coil Diameter | 2" (51mm) |
| Speaker Connector | Dual 12 AWG compression |
| Fs (Hz) | 34.6 |
| Voice Coil Diameter | 2" (51mm) |
| Speaker Connector | Dual 12 AWG compression |
| Power Handling (Watts RMS) | 250 Watts RMS 500 Watts Max |
| Magnet Weight (oz) | 47.7 oz. (1.35 kg) |
| Mounting Depth | 5.067 in. (128 mm) |
| Woofer Displacement | 0.046 cu. ft. (1.3 Liters) |
| Cutout Diameter | 11.25 in. (285 mm) |
| SPL (dB @ 1w/1m) | 88.7 |
| Xmax (mm) | 6.5 |
| Shipping Weight | 9.9 Lbs. (4.49 kg) |
| Sealed Box Volume (Vb) | 1.02 cu. ft. (28.8 Liters) |
| Vented Box Volume (Vb) | 1.79 cu. ft. (50.6 Liters) |
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Installation resources
Wiring diagrams
9
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
Box Advisor
Sealed Enclosure
- Recommended volume
- 1.02 cu ft
- Volume range
- 0.75 cu ft to 1.25 cu ft
- Dimensions
- 18.5 in W x 17.5 in H x 8.25 in D
- F3
- 51.4 Hz
- Qtc
- 0.94
- Port / ID
- 43 in
- Subwoofer size
- 45 in
- Impedance
- 3 ohm
- Power handling (RMS)
- 250 W
Vented Enclosure
- Recommended volume
- 1.79 cu ft
- Volume range
- 1.5 cu ft to 2 cu ft
- Dimensions
- 20.5 in W x 16.5 in H x 13 in D
- F3
- 39.4 Hz
- Tuning (Fb)
- 45 Hz
- Port / ID
- 45 in
- Subwoofer size
- 45 in
- Impedance
- 3 ohm
- Power handling (RMS)
- 250 W
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
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