Filter Filters $500 and above Remove All Filters Condition New (94) Refurbished (24) Brand Harmony Audio (41) Alpine (33) Kicker (23) Size 15" (18) 12" (10) 10" (2) Fixture Type Dual (30) Universal Car Stereo Paintable Ported Dual 12" Alpine Type S S-W12D2 Sub Box... $649.85 Universal Car Stereo Slotted S Port Dual 15" Kicker CompR CWR15 Sub Box... $700.99 Universal Car Stereo Rearfire Sealed Dual 15" Kicker CompR CWR15 Sub Box... $660.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $1203.99 Universal Car Stereo Paintable Ported 10" Alpine Next-Generation R-Series... $577.95 Universal Car Stereo Rhino Coated Ported Dual 10" Alpine Next-Generation... $681.99 Universal Car Stereo Rearfire Sealed Dual 12" Alpine Type S S-W12D2 Sub Box... $575.95 Universal Car Stereo Slotted S Port Single 12" Alpine Next-Generation... $632.95 Universal Car Stereo Hatchback Sealed Dual 10" Alpine Type S S-W10D2 Sub Box... $560.95 Universal Car Stereo Vented Port Single 10" Alpine Next-Generation R-Series... $588.95 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $953.99 Universal Car Stereo Slotted S Port Dual 12" Alpine Next-Generation R-Series... $771.99 Universal Car Stereo Hatchback Sealed Dual 12" Kicker CompVT CVT12 Sub Box... $674.95 Universal Car Stereo Hatchback Sealed Single 12" Alpine Next-Generation... $631.95 Universal Car Stereo Hatchback Sealed Single 10" Alpine Next-Generation... $582.95 Universal Car Stereo Vented Port Dual 12" Alpine Type S S-W12D2 Sub Box... $649.85 Universal Car Stereo Hatchback Sealed Dual 12" Alpine Next-Generation... $706.95 Universal Car Stereo Paintable Ported Dual 12" Kicker CompR CWR12 Sub Box... $560.95 Universal Car Stereo Rhino Coated Ported Dual 10" Alpine Type S S-W10D2 Sub... $609.85 Universal Car Stereo Vented Port Dual 10" Alpine Type S S-W10D2 Sub Box... $609.85 Universal Car Stereo Rearfire Sealed Single 12" Alpine Next-Generation... $612.95 Universal Car Stereo Rearfire Sealed Dual 12" Kicker CompVT CVT12 Sub Box... $659.95 Universal Car Stereo Hatchback Sealed Dual 10" Kicker CompVT CVT10 Sub Box... $634.95 Universal Car Stereo Vented Port Dual 12" Alpine Next-Generation R-Series... $759.90 12345