Single 12" Filter Sort Filters In Stock Harmony Audio Remove All Filters Availability In Stock Price $100-$500 (12) 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... $476.99 Universal Car Stereo Hatchback Sealed Single 12" Alpine Next-Generation... $466.99 Universal Car Stereo Paintable Ported 12" Alpine Next-Generation R-Series... $457.99 Universal Car Stereo Vented Port Single 12" Alpine Next-Generation R-Series... $457.99 Universal Car Stereo Rearfire Sealed Single 12" Alpine Next-Generation... $456.99 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Rhino... $336.99 Universal Regular Standard Cab Truck Alpine Type S S-W12D4 Single 12" Sub Box... $332.99 Universal Car Stereo Slotted S Port Single 12" Alpine Type S S-W12D4 Sub Box... $331.99 Universal Car Stereo Hatchback Sealed Single 12" Alpine Type S S-W12D4 Sub... $321.99 Universal Car Stereo Paintable Ported 12" Alpine Type S S-W12D4 Sub Box... $315.99 Universal Car Stereo Vented Port Single 12" Alpine Type S S-W12D4 Sub Box... $315.99 Universal Car Stereo Single 12" Alpine Type S S-W12D4 Bundle with Rearfire... $314.99