Speaker Rings Vehicle application: A3 (8L) ²+³ 09/1996 - 06/2003 A4 B5 (8D) ² 11/1994 - 03/2001 A4 Avant B5 (8D) ¹+² 03/1995 - 03/2001 TT (8N) ¹ 06/1998 - 06/2006 Installation point: 1 = door front, 2 = door rear, 3 = rear side shelf Technical information: speaker: 165 mm panel cut out: 144,50 mm