2009 Subaru Impreza Speaker Sizes
The 2009 Subaru Impreza factory audio system features front door panel and rear door panel locations that accommodate 6.5 inch speakers. Compatible types for a replacement upgrade include midbass and 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 |
|
2009 Subaru Impreza 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: 02009 Subaru Impreza 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 Subaru Impreza uses 6.5 inch speakers in both front and rear door panels, which suggests standardization across all door locations and may simplify the replacement process when upgrading multiple positions.
- Both front and rear positions accommodate midbass or full-range speaker types, indicating flexibility in choosing between specialized midbass drivers paired with separate tweeters or single full-range units that handle the entire frequency spectrum.
- Full-range speakers might offer a simpler installation path since they typically don't require additional crossovers or tweeter mounting, while midbass options could provide better sound staging when combined with separate high-frequency drivers.
- The door panel locations generally benefit from speakers with treated cones or poly materials that resist moisture exposure, since door cavities can accumulate condensation over time.
- Aftermarket speakers in the 6.5 inch category often provide noticeable improvements in clarity and bass response compared to factory units, particularly in the mid-frequency range where voices and instruments reside.
- The uniform sizing across all four doors allows for consistent tonal characteristics throughout the cabin when using matched speaker sets from the same manufacturer and model line.
- Power handling capabilities vary widely among 6.5 inch aftermarket options, so matching speaker sensitivity and RMS ratings to the head unit or amplifier output helps avoid underpowering or damaging the drivers.