2009 Porsche 911 Speaker Sizes
The 2009 Porsche 911 speaker size chart lists factory audio specifications and aftermarket replacement options. Information includes speaker locations in the front door panel and rear door panel. The chart provides specifications for upgrading from factory speakers to aftermarket audio system components.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 5.25 | Midbass / Full-Range |
|
| Rear Door Panel | 5.25 | Midbass / Full-Range |
|
2009 Porsche 911 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 Porsche 911 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 Porsche 911 features uniform 5.25 inch speaker openings in both front and rear door panels, which may simplify the selection process when planning component upgrades.
- Both front and rear positions accept either midbass drivers or full-range speakers, suggesting flexibility in system design depending on whether a dedicated tweeter setup is planned or a simpler coaxial approach is preferred.
- Replacing factory door speakers with aftermarket units could potentially improve midrange clarity and bass response, particularly if the stock components have degraded over time or lack adequate cone excursion.
- Component speaker systems with separate tweeters might offer better staging and frequency separation compared to full-range coaxial speakers, though installation complexity increases with crossover mounting and tweeter placement considerations.
- The available radio space accommodates both single DIN and double DIN head units, which could influence speaker upgrade decisions if source unit replacement is part of the overall audio enhancement strategy.
- Aftermarket 5.25 inch speakers designed for midbass duty typically handle frequencies between approximately 80 Hz and 4 kHz, potentially requiring high-pass filtering to protect drivers from subsonic content if no subwoofer is present.
- Door panel speaker replacement often benefits from sound deadening material application to reduce rattles and improve acoustic coupling between the speaker and listening position.