2) ROCKFORD FOSGATE R2D4-12 12" 1000W 4-Ohm Car Subwoofers + Dual Vented Sub Box Rockford Fosgate R2D4 12 12" 1000W 4 Ohm DVC Prime R2 Car Audio Subwoofer Power Handling (Max): 500 Watts per sub (1000 Watts per pair) Power Handling (RMS): 250 Watts per sub (500 Watts per pair) Features: 12 gauge compression terminals