2018 Audi A6 Speaker Sizes
The 2018 Audi A6 factory audio system incorporates multiple locations within the interior cabin. Specifically, the rear door panel accommodates a 0.75 inch speaker size alongside a 6.5 inch unit, while the center dash and dashboard support 1 inch components and the center dash accepts 3.5 inch speakers. Additionally, the rear deck lid accommodates 1 inch and 10 inch units, and the front door panel supports 4 inch and 5.25 inch speakers. Compatible types for an audio replacement and upgrade consist of tweeters, subwoofers, full-range units, mid-range units, and midbass units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Center Dash | 1 | Tweeter |
|
| Center Dash | 3.5 | Full-Range |
|
| Dashboard | 1 | Tweeter |
|
| Front Door Panel | 4 | Midrange |
|
| Front Door Panel | 5.25 | Midbass / Full-Range |
|
| Rear Deck Lid | 1 | Tweeter |
|
| Rear Deck Lid | 10 | Subwoofer |
|
| Rear Door Panel | 0.75 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2018 Audi A6 Speaker Replacement Summary
9
total positions
6
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 6 Medium: 3 High: 0Replacement priority:
High: 2 Medium: 7 Low: 02018 Audi A6 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2018 Audi A6 features a multi-driver speaker configuration with distinct size allocations for different frequency ranges across various cabin locations.
- Tweeter replacements would involve working with three different size specifications: 0.75 inch units in the rear door panels, and 1 inch units positioned in the center dash, dashboard, and rear deck lid locations.
- The front door panel configuration includes a two-way component arrangement with 4 inch midrange drivers and 5.25 inch midbass or full-range speakers, suggesting a separated frequency distribution approach.
- Rear door panel speakers consist of 0.75 inch tweeters paired with 6.5 inch midbass or full-range drivers, creating a different size combination than the front doors.
- A 3.5 inch full-range speaker in the center dash position may serve center channel duties or fill-in frequencies in the soundstage presentation.
- The rear deck lid accommodates both high-frequency reproduction through a 1 inch tweeter and low-frequency extension via a 10 inch subwoofer installation.
- Sound improvement efforts might prioritize the front door panel speakers first, given their dual-driver setup and likely primary role in stereo imaging and midrange clarity.
- The subwoofer location in the rear deck lid suggests factory provisions for bass reinforcement without requiring trunk space modifications.
- Radio replacement options include both single DIN and double DIN head unit compatibility, providing flexibility for aftermarket integration.
- The variety of speaker sizes and types indicates a factory system designed with frequency-specific drivers rather than relying solely on broadband full-range units throughout the cabin.