Audi A4 Front Door Speaker Adaptors Rings 13 cm 130 mm 5.25" till 2001 Fits: Audi A4: 1994 -2001 (Front Doors), Audi A4 Avant: 1995 - 2001 (Front Doors) This car speaker mounting spacer ring set will help you replace your stock car speakers with new ones without having to worry about installation and mounting. The speaker mounting bracket fits over the factory speaker hole and provides a mounting place for new after-market speakers. 2 x Speaker Adaptor Ring