Filter Filters $500 and above Remove All Filters Condition New (94) Refurbished (25) Brand Harmony Audio (41) Alpine (33) Kicker (23) Size 15" (18) 12" (10) 10" (2) Fixture Type Dual (30) Universal Car Stereo Slotted S Port Dual 15" Harmony A152 Sub Box & Harmony... $565.99 Harmony Audio HA-A102 Stereo Alloy Series 10" Sub 800W Dual 2 Ohm Subwoofer... $529.99 Universal Car Stereo Hatchback Sealed Dual 15" Harmony A152 Sub Box & Harmony... $515.99 Universal Car Stereo Vented Port Dual 15" Harmony A152 Sub Box & Harmony... $513.99 Universal Car Stereo Paintable Ported Dual 12" Harmony A122 Sub Box & CXA800.1 $511.99 Harmony Audio HA-F104 Car Stereo Flatline 10" Sub 700W Single 4 Ohm Subwoofer... $529.99 Harmony Audio HA-A102 Car Stereo Alloy Series 10" 800W Dual 2 Ohm Subwoofer... $529.99 Universal Car Stereo Rearfire Sealed Dual 15" Harmony A152 Sub Box & CX1200.1 $555.99 Universal Car Stereo Hatchback Sealed Dual 15" Harmony A152 Sub Box & CX1200.1 $575.99 Universal Car Stereo Rhino Coated Ported Dual 15" Harmony A152 Sub Box &... $544.99 Universal Car Stereo Slotted S Port Dual 15" Harmony R154 Sub Box & Harmony... $560.99 Universal Car Stereo Vented Port Dual 15" Harmony A152 Sub Box & CX1200.1 $573.99 Universal Car Stereo Slotted S Port Dual 15" Harmony A152 Sub Box & CX1200.1 $620.99 Harmony Audio HA-C104 Car Stereo Competition 10" Sub 2000W Dual 4 Ohm... $829.99 Harmony Audio (4) HA-A152 Car Stereo Alloy Series 15" Sub 1500W Subwoofer... $590.99 Harmony Audio HA-F104 Car Stereo Flatline 10" 700W Single 4 Ohm Subwoofer... $529.99 Universal Car Stereo Hatchback Sealed Dual 15" Harmony R154 Sub Box & CX1200.1 $540.99 Harmony Audio HA-C102 Stereo Competition 10" Sub 2000W Dual 2 Ohm Subwoofer... $829.99 Universal Car Stereo Rhino Coated Ported Dual 15" Harmony R154 Sub Box &... $529.99 Harmony Audio (2) HA-C152 Car Stereo Competition Carbon 15" Sub 2800W... $500.99 Universal Car Stereo Slotted S Port Dual 15" Kicker Comp C15 Sub Box... $590.99 Universal Car Stereo Slotted S Port Dual 15" Harmony R154 Sub Box & CX1200.1 $605.99 Universal Car Stereo Dual 10" Alpine Type S S-W10D2 Bundle with Paintable... $609.85 Universal Car Stereo Rearfire Sealed Dual 15" Harmony R154 Sub Box & CX1200.1 $520.99 12345