Filter Filters Buick Reatta Remove All Filters Price $50-$100 (2) $100-$500 (4) Condition New (6) Brand Harmony Audio (4) Kicker (2) Fits Buick Reatta 1990-1991 Factory Premium Speaker Replacement Harmony C4... $104.99 Fits Buick Reatta 1988-1989 Factory Premium Speaker Upgrade Harmony C4 C69... $120.99 Buick Reatta 1988-1989 Factory Speaker Upgrade Harmony R4 R69 Package New $92.99 Buick Reatta 1988-1989 Factory Speaker Upgrade Kicker DSC4 DSC693 Package New $159.98 Buick Reatta 1990-1991 Factory Speaker Replacement Kicker DSC4 DSC65 Package New $139.98 Buick Reatta 1990-1991 Factory Speaker Replacement Harmony R4 R65 Package New $77.99