Filter Filters Audi A4 Avant Wagon Remove All Filters Price Under $50 (2) Condition New (2) Brand Harmony Audio (2) Fits Audi A4 Avant Wagon 1997-1999 Front Door Replacement Harmony HA-R5 Speakers $39.95 Fits Audi A4 Avant Wagon 1997-1999 Rear Door Replacement Harmony HA-R65 Speakers $44.95