Filter Filters 12" Dual Remove All Filters Price $100-$500 (2) $500 and above (2) Condition New (4) Alpine R2-W12D4 Car Audio Type R Dual 4 Ohm 1500W 12" Subwoofers with Install... $701.95 Alpine R2-W12D2 Car Audio Type R Dual 2 Ohm 1500W 12" Subwoofers with Install... $701.95 Alpine S-W12D4 Car Audio Type S Dual 4 Ohm 1200W 12" Subwoofers with Install Kit $399.90 Alpine W12S4 Car BassLine Single 4 Ohm 500W 12" Subwoofers with Install Kit $299.99