2021 Subaru Outback Speaker Sizes
The 2021 Subaru Outback factory audio system contains the front door panel which accepts 6x9 inch speakers, and the rear door panel which supports a 6.5 inch speaker size. Midbass and full-range units function as compatible speaker types for audio replacement and upgrade projects.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6x9 | Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2021 Subaru Outback 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: 0Additional Notes
- The 2021 Subaru Outback features different speaker configurations between front and rear door locations, with 6x9 inch openings in the front panels and 6.5 inch openings in the rear panels.
- Front door panels accommodate 6x9 inch full-range speakers, which typically provide broader frequency response due to their larger oval cone area compared to round speakers.
- Rear door locations accept 6.5 inch speakers that can be replaced with either full-range or midbass-specific drivers, offering flexibility in system configuration.
- The midbass compatibility designation for rear speakers suggests these positions could be optimized for mid-to-low frequency reproduction if paired with separate tweeters or component systems.
- Replacing factory speakers with aftermarket full-range units in both positions would maintain a straightforward installation while potentially improving clarity and output levels.
- The front door's 6x9 inch configuration may provide stronger bass response than the rear 6.5 inch positions due to the increased cone surface area available in oval speakers.
- A component speaker system could be installed in the rear doors by using midbass drivers in the existing 6.5 inch openings and adding separate tweeters elsewhere in the cabin.
- The specifications indicate that full-range replacements are viable in all door positions, maintaining factory-style functionality without requiring additional crossovers or amplification.