Filter Filters $500 and above 10" Remove All Filters Condition New (2) Brand Harmony Audio (2) 4x Harmony Audio HA-C104 Car Competition 10" Sub 2000W Dual 4 Ohm Subwoofer New $580.99 4x Harmony Audio HA-C102 Car Competition 10" Sub 2000W Dual 2 Ohm Subwoofer New $554.99