Dual 12" Filter Sort Filters In Stock $100-$500 Remove All Filters Availability In Stock Price $100-$500 (10) $500 and above (25) Brand Alpine (8) Harmony Audio (2) 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 Vented Port Dual 12" Alpine Type S S-W12D2 Sub Box... $491.99 Universal Car Stereo Rearfire Sealed Dual 12" Alpine Type S S-W12D2 Sub Box... $481.99 Universal Regular Standard Cab Truck Alpine Type S S-W12D2 Dual 12" Rhino... $399.95 Universal Car Stereo Paintable Ported Dual 12" Alpine Type S S-W12D2 Sub Box... $399.90 Universal Car Stereo Vented Port Dual 12" Alpine Type S S-W12D2 Sub Box... $399.90 Universal Regular Cab Truck Alpine Type S S-W12D2 Dual 12" Black Sub Box... $399.90 Universal Car Stereo Hatchback Sealed Dual 12" Alpine Type S S-W12D2 Sub Box... $394.95 Universal Car Stereo Slotted S Port Dual 12" Alpine Type S S-W12D2 Sub Box... $394.95 Universal Regular Standard Cab Truck Alpine Type S S-W12D2 Dual 12" Sub Box... $394.95 Universal Car Stereo Rearfire Sealed Dual 12" Alpine Type S S-W12D2 Sub Box... $379.95