Filter Filters $500 and above 15" Remove All Filters Condition New (2) Brand Harmony Audio (2) 8x Harmony Audio HA-C152 Car Competition 15" Sub 2800W Dual 2 Ohm Subwoofer New $1430.99 4x Harmony HA-ML151 Monolith 15" Competition SPL Sub 3200W Dual 1 Ohm Subwoofer $1300.99