Filter Filters Audi 400 Series Remove All Filters Price $50-$100 (1) $100-$500 (5) Condition New (6) Brand Harmony Audio (4) Kicker (2) Audi 400 Series 1980-1987 Factory Speaker Upgrade Kicker DSC4 DSC5 Package New $129.98 Compatible with Audi 400 Series 1980-1987 Factory Speaker Replacement Kicker... $234.99 Compatible with Audi 400 Series 1980-1987 Factory Speaker Replacement Kicker... $359.97 Compatible with Audi 4000 Series 1980-1987 Factory Speaker Replacement... $247.99 Compatible with Audi 4000 Series 1980-1987 Factory Speaker Replacement... $200.99 Audi 4000 Series 1980-1987 Factory Speaker Upgrade Harmony R4 R5 Package New $72.99