2009 Audi A6 Speaker Sizes
The 2009 Audi A6 speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations in the front door panel, rear door panel, center dash, and dashboard positions with corresponding specifications for each mounting location throughout the vehicle audio system.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| Location | Size | Type | Notes |
|---|---|---|---|
| Center Dash | 3.5 | Full-Range |
|
| Dashboard | 3.5 | Full-Range |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2009 Audi A6 Speaker Replacement Summary
6
total positions
4
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 4 Medium: 2 High: 0Replacement priority:
High: 2 Medium: 4 Low: 02009 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 2009 Audi A6 features a component speaker system with dedicated 1-inch tweeters in both front and rear door panels, indicating a factory separation of high-frequency reproduction from midrange and low-frequency drivers.
- Replacing the 6.5-inch door panel speakers may take priority for sound improvement, as these midbass or full-range units typically handle the majority of audible frequencies and contribute most significantly to overall sound quality.
- The presence of 3.5-inch full-range speakers in both center dash and dashboard locations suggests the factory system distributes sound across multiple points in the cabin, potentially creating a wider soundstage.
- Component speaker systems with separate tweeters generally allow for better frequency response control compared to coaxial designs, though replacement may require maintaining the crossover network or installing aftermarket crossovers.
- The 6.5-inch midbass or full-range speakers in the door panels could be upgraded with either dedicated midbass drivers paired with the existing tweeters or coaxial speakers that incorporate their own tweeters, depending on installation preference.
- Upgrading the smaller 3.5-inch full-range speakers in the dash locations may provide modest improvements to vocal clarity and midrange presence, though these typically have less impact than door speaker replacements.
- The dual radio opening compatibility with both Single DIN and Double DIN suggests flexibility for head unit upgrades, which often precede or accompany speaker replacements in audio system improvements.