Filter Filters Harmony Audio Refurbished Remove All Filters Price $500 and above (10) Universal Car Stereo Hatchback Sealed Dual 15" Harmony A152 Sub Box & CX1200.1 $575.99 Universal Car Stereo Hatchback Sealed Dual 15" Harmony R154 Sub Box & CX1200.1 $540.99 Universal Car Stereo Rhino Coated Ported Dual 15" Harmony A152 Sub Box &... $544.99 Universal Car Stereo Slotted S Port Dual 15" Harmony A152 Sub Box & CX1200.1 $620.99 Universal Car Stereo Vented Port Dual 15" Harmony R154 Sub Box & CX1200.1 $548.99 Universal Car Stereo Slotted S Port Dual 15" Harmony R154 Sub Box & CX1200.1 $605.99 Universal Car Stereo Vented Port Dual 15" Harmony A152 Sub Box & CX1200.1 $573.99 Universal Car Stereo Rearfire Sealed Dual 15" Harmony A152 Sub Box & CX1200.1 $555.99 Universal Car Stereo Rhino Coated Ported Dual 15" Harmony R154 Sub Box &... $529.99 Universal Car Stereo Rearfire Sealed Dual 15" Harmony R154 Sub Box & CX1200.1 $520.99