2009 Ford Flex Speaker Sizes
The 2009 Ford Flex speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information covers speaker locations including a-pillar, dashboard, d-pillar, front door panel, rear door panel, and rear side panel positions. Details help identify compatible aftermarket speakers that match factory specifications.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| D-Pillar | 3.5 | Midrange |
|
| Dashboard | 3.5 | Full-Range |
|
| Front Door Panel | 6x8 | Full-Range |
|
| Rear Door Panel | 6x8 | Full-Range |
|
| Rear Side Panel | 8 | Woofer |
|
2009 Ford Flex Speaker Replacement Summary
6
total positions
2
easy to replace
1
high priority
2
professional only
Replacement difficulty:
Low: 2 Medium: 2 High: 2Replacement priority:
High: 1 Medium: 2 Low: 32009 Ford Flex Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Double DIN | 7"×4" | 180×100 | Double size for modern multimedia systems with large touchscreens |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2009 Ford Flex factory audio configuration includes dedicated tweeters mounted in the A-pillars at 1 inch, suggesting a component-style setup that separates high-frequency drivers from mid-bass speakers for potentially improved soundstage imaging.
- Front and rear door panels both accommodate 6x8 inch full-range speakers, which represent the primary sound sources for mid-bass and midrange frequencies in the listening environment.
- Dashboard-mounted 3.5 inch full-range speakers may serve as center fill or supplementary drivers, though their small size typically limits low-frequency output capability.
- The D-pillar location houses 3.5 inch midrange speakers, possibly functioning as rear fill elements to enhance surround presence for rear seat passengers.
- An 8 inch woofer in the rear side panel location likely handles lower bass frequencies that smaller door speakers cannot reproduce effectively.
- Replacing the 6x8 inch door speakers would generally take priority for sound quality improvement, as these handle the majority of the frequency spectrum during normal listening.
- The presence of separate A-pillar tweeters indicates that component speaker sets with external crossovers might integrate well with the 2009 Ford Flex audio architecture.
- The Double DIN radio opening allows for aftermarket head unit installation with larger touchscreen displays and expanded connectivity options beyond the factory unit.
- Sound staging could potentially benefit from the dedicated tweeter positions, as A-pillar mounting often creates a more natural left-right stereo image compared to door-mounted tweeters.
- The 8 inch rear woofer may require specific attention during upgrades, as its dedicated low-frequency role differs from the full-range duties of the door-mounted speakers.