Car Audio Fanatics wanting big bass can rely on the Prime R2D4-12 subwoofer. This 12” subwoofer handles 250 Watt RMS and the 4-Ohm Dual Voice Coil design lets you to wire them in various configurations.
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.
FEATURES AT A GLANCE
- Linear spider with embedded 16 AWG tinsel leads
- 12 AWG compression terminals
- Mica injected polypropylene cone
- Anodized aluminum voice coil former
- Optimized for both sealed and vented enclosures
- StampCast basket with integrated spider venting
- 1 Year Warranty
- Integrated PVC trim ring
EA-2031 Compliant

Size
12"
Subwoofer Type
Standard
Speaker Connector
Dual 12 AWG compression
Voice Coil Diameter
2" (51 mm)
Nominal Impedance
Dual 4-Ohm
Voice Coil Type
Dual Voice Coil
Re (Ohms)
7.17
Sd (cm2)
539.1
Le (mH)
3.9
Qts
0.60
Qes
0.66
Qms
7.33
Fs (Hz)
34.9
Vas (Liters)
68.8
Xmax (mm)
6.5
SPL (dB @ 1w/1m)
89
Power Handling (Watts RMS)
250 Watts RMS
500 Watts Max
500 Watts Max
Cutout Diameter
11.25 in. (285 mm)
Woofer Displacement
0.046 cu. ft. (1.3 Liters)
Mounting Depth
5.067 in. (128 mm)
Magnet Weight (oz)
47.7 oz. (1.35 kg)
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)
1 year warranty