Filter Filters Alpine 12" Remove All Filters Price $50-$100 (1) $100-$500 (6) $500 and above (1) Condition New (8) Voice Coils Dual (4) Single (1) Screen Size 7" (1) Bluetooth Ready Y (1) Alpine S2-W12D2 Car Audio Type-S Series Dual 2-Ohm 12 Inch Subwoofer $186.95 Alpine S2-W12D4 Car Audio Type-S Series Dual 4-Ohm 12 Inch Subwoofer $186.95 Alpine iLX-W670 Car Audio 7 Inch Digital Multimedia Receiver with PowerStack $299.95 Alpine S-W12D4 Car Audio Type S Series Sub Dual 4 Ohm 1800W Peak 12" Subwoofer $199.95 Alpine S-W12D2 Car Audio Type S Series Sub Dual 2 Ohm 1200W Peak 12" Subwoofer $199.95 (1) Alpine SS-SB12 Car Audio S-Series 300W RMS 2-Ohm Downward-Firing 12" Loaded... $424.95 Alpine RS-SB12 Car Audio Halo R-Series 600W RMS 2-Ohm 12" Loaded Sub Box... $799.95 Alpine W12S4 Car Audio BassLine Series Sub Single 4 Ohm 500W Peak 12" Subwoofer $99.95