Single 12" Filter Sort Filters In Stock Alpine Remove All Filters Availability In Stock Price $100-$500 (19) $500 and above (5) Brand Alpine (24) Harmony Audio (12) Sort SKU: A-Z SKU: Z-A Price: Low to High Price: High to Low Least Popular Most Popular Sort by: SKU Sale Price Popularity Universal Car Stereo Slotted S Port Single 12" Alpine Next-Generation... $632.95 Universal Car Stereo Hatchback Sealed Single 12" Alpine Next-Generation... $631.95 Universal Car Stereo Paintable Ported 12" Alpine Next-Generation R-Series... $629.90 Universal Car Stereo Vented Port Single 12" Alpine Next-Generation R-Series... $629.90 (1) Universal Car Stereo Rearfire Sealed Single 12" Alpine Next-Generation... $612.95 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Rhino... $454.95 Universal Car Stereo Hatchback Sealed Single 12" Alpine Type S S-W12D4 Sub... $449.95 Universal Car Stereo Slotted S Port Single 12" Alpine Type S S-W12D4 Sub Box... $449.95 (1) Universal Car Stereo Paintable Ported 12" Alpine Type S S-W12D4 Sub Box... $449.90 Universal Car Stereo Vented Port Single 12" Alpine Type S S-W12D4 Sub Box... $449.90 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Sub Box... $447.95 Universal Car Stereo Single 12" Alpine Type S S-W12D4 Bundle with Rearfire... $429.95 Universal Car Stereo Slotted S Port Single 12" Alpine Next-Generation... $391.95 Universal Car Stereo Hatchback Sealed Single 12" Alpine Next-Generation... $381.95 Universal Car Stereo Paintable Ported 12" Alpine Next-Generation R-Series... $379.95 Universal Car Stereo Vented Port Single 12" Alpine Next-Generation R-Series... $379.95 Universal Car Stereo Rearfire Sealed Single 12" Alpine Next-Generation... $371.95 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Rhino... $204.95 Universal Car Stereo Hatchback Sealed Single 12" Alpine Type S S-W12D4 Sub... $199.95 Universal Car Stereo Paintable Ported 12" Alpine Type S S-W12D4 Sub Box... $199.95 Universal Car Stereo Slotted S Port Single 12" Alpine Type S S-W12D4 Sub Box... $199.95 Universal Car Stereo Vented Port Single 12" Alpine Type S S-W12D4 Sub Box... $199.95 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Sub Box... $197.95 Universal Car Stereo Single 12" Alpine Type S S-W12D4 Bundle with Rearfire... $179.95