2011 Subaru Legacy Speaker Sizes
The 2011 Subaru Legacy factory audio system features front door panels and rear door panels that accommodate 6.5 inch speakers. Compatible types for a replacement upgrade include midbass or full-range units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2011 Subaru Legacy Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 02011 Subaru Legacy 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 2011 Subaru Legacy uses 6.5 inch speakers in both front and rear door panels, which simplifies the replacement process as the same speaker model can be installed in all four locations.
- Door panel speakers accept either midbass or full-range driver types, with midbass drivers typically requiring separate tweeters for high-frequency reproduction while full-range drivers handle the entire frequency spectrum independently.
- Full-range speakers may offer a more straightforward installation path since they integrate multiple driver elements into a single unit without requiring additional tweeter mounting or crossover wiring.
- Midbass-focused replacements could provide improved low and mid-frequency response when paired with separate high-frequency components, though this configuration demands more extensive installation work.
- The radio opening accommodates both single DIN and double DIN head units, which suggests potential flexibility for aftermarket stereo upgrades without dashboard modification requirements.
- Upgrading all four door speakers maintains balanced sound staging throughout the cabin, as front and rear locations share identical size specifications.
- Aftermarket speakers with higher sensitivity ratings than factory units may produce noticeably louder output from the existing head unit without requiring amplifier additions.