2003 Subaru Legacy Speaker Sizes
The 2003 Subaru Legacy speaker size chart provides factory specifications for aftermarket replacement or upgrade purposes. Information covers speaker locations in front door panels and rear door panels. Data includes factory audio system specifications to facilitate compatibility when installing aftermarket speakers in these positions.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2003 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: 02003 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 2003 Subaru Legacy front door panels accommodate 6.5 inch speakers that may function as either midbass drivers or full-range units, which suggests flexibility in system configuration depending on whether a separate tweeter is incorporated.
- Rear door panels in this model mirror the front specification with 6.5 inch openings, allowing for uniform speaker sizing throughout the cabin if desired.
- Both midbass and full-range speaker types are compatible with the door locations, where midbass units typically handle frequencies from approximately 80 Hz to 4 kHz while full-range speakers attempt to reproduce a broader spectrum without requiring additional tweeters.
- The radio receiver space supports both Single DIN and Double DIN head units, which may influence speaker upgrades if the new receiver includes more sophisticated crossover controls or equalization capabilities.
- Door panel speakers often receive upgrade priority over other locations since they typically contribute most directly to the soundstage and midrange clarity that passengers perceive.
- Installing component systems with separate tweeters would utilize the midbass capability of 6.5 inch drivers, while full-range replacements might be selected when simplicity or budget constraints are considerations.
- The 2003 Subaru Legacy door speaker locations may benefit from sound deadening material installation during replacement, as reducing panel vibration can improve bass response and overall clarity from aftermarket drivers.
- Matching front and rear speaker sizes could simplify the selection process when seeking tonal consistency throughout the interior listening environment.