MDF Front Rear 165mm 6.5" Speaker Adaptors Rings for Audi A4 B8 B9 A5 B8 Q5 8R
Audi Q5 [8R] (2008-2016). Audi A4 [B8] (2007-2016). Speaker Size: 165mm. Audi A5 [B8] (2007-2016). They are an excellent alternative to plastic adapters, which are often unstable and which never allow speakers to play to their full potential.