Sound system design (Audi A4 B8)

1. Radio "R" in the dashboard.
2. Front left tweeter "R20"/front right tweeter "R22" in front panel.
3. Front left mid-woofer "R101"/front right mid-woofer "R102" at the bottom of the front. doors.
4. CAN-Bus (Infotainment).

1. Radio "R" in the dashboard.
2. Front left tweeter "R20"/front right tweeter "R22" in front panel.
3. Front left mid-woofer "R101"/front right mid-woofer "R102" at the bottom of the front. doors.
4. Rear left tweeter "R14"/rear right tweeter "R16" at the bottom of the rear doors.
5. Rear left mid-bass speaker "R159"/rear right mid-bass speaker "R160" at the bottom of the rear doors.
6. CAN-Bus (Infotainment).

1. Used digital audio system "J525" behind the left side trim of the trunk.
2. Front left tweeter - R20-/front right tweeter "R22" in the front panel.
3. Front left mid-woofer "R101"/front right mid-woofer "R102" at the bottom of the front. doors.
4. Rear left tweeter "R14"/rear right tweeter "R16" at the bottom of the rear doors.
5. Rear left mid-bass speaker "R159"/rear right mid-bass speaker "R160" at the bottom of the rear doors.
6. MOST bus.

1. MOST bus.
2. Used digital audio system "J525" behind the left side trim of the trunk.
3. Front left tweeter "R20"/front right tweeter "R22" in front panel.
4. Front left mid-woofer "R101"/front right mid-woofer "R102" at the bottom of the front. doors.
5. Rear left tweeter "R14"/rear right tweeter "R16" at the bottom of the rear doors.
6. Rear left mid-bass speaker "R159"/rear right mid-bass speaker "R160" at the bottom of the rear doors.
7. Central mid-high frequency speaker "R158" in the center of the front. panels.
8. Subwoofer in the rear. shelf "R157" (Sedan). Subwoofer in the rear. shelf "R157" in the spare wheel niche (Avant).
9. Microphone block in front, roof module "R164" (microphone system. input of voice commands "R206") in front, the backlight "W1" (only MOST).
10. CAN-Bus (Infotainment).

1. Radio "R" behind the left side trim of the trunk.
2. Front left tweeter "R20"/front right tweeter "R22" in front panel.
3. Front left midrange speaker "R101"/front right midrange speaker "R102" at the bottom of the front. doors.
4. Rear left tweeter "R14"/rear right tweeter "R16" at the bottom of the rear doors.
5. Rear left mid-bass speaker "R159"/rear right mid-bass speaker "R160" at the bottom of the rear doors.
6. Central midrange-high frequency speaker "R158" in the center of the front. panels.
7. Subwoofer in the rear. shelf "R157" (Sedan); Subwoofer in the back. shelf "R157" in the spare wheel niche (Avant).
8. MOST bus.

1. Used digital audio system "J525" behind the left side trim of the trunk.
2. Front left tweeter "R20"/front right tweeter "R22" in the triangular rear view mirror trims. species.
3. Front left midrange speaker "R103"/front right midrange speaker "R104" in the front panel.
4. Front left woofer "R21"/front right woofer "R23" at the bottom of the front. doors.
5. Rear left tweeter "R14"/rear right tweeter "R16" at the bottom of the rear doors.
6. Rear left mid-bass speaker "R159"/rear right mid-bass speaker "R160" at the bottom of the rear doors.
7. Rear left midrange speaker "R105" / rear right midrange speaker "R106" in the rear shelf (Sedan). Rear left midrange speaker "R105" / rear right midrange speaker "R106" in the D-pillars (Avant).
8. Central mid-high frequency speaker "R158" in the center of the speaker. panels.
9. Subwoofer in the rear. shelf "R157" (Sedan). Subwoofer in the rear. shelf "R157" in the spare wheel niche (Avant).
10. Microphone block in the front, ceiling module "R164" (internal microphone "R74" general/voice control microphone. "R206" MMI) in front, interior lighting lamp "W1".
11. CAN-Bus (Infotainment).
12. MOST bus.