Filter Filters 12" Rockford Fosgate Remove All Filters Price $100-$500 (2) Condition New (2) Voice Coils Dual (2) Sensitivity 81-85 dB (1) 86-90 dB (1) Receiver Size Yes 10-7-2015 (2) Rockford Fosgate R2SD4-12 12" Prime R2 4-Ohm DVC Shallow Subwoofer $159.99 Rockford Fosgate R2D4-12 12" Prime R2 4-Ohm DVC Subwoofer Car Audio Sub Speaker $104.99