1999 Ford Expedition Speaker Sizes
The 1999 Ford Expedition speaker size chart provides factory specifications for replacement and aftermarket audio speakers. Information includes locations within the vehicle audio system and corresponding speaker sizes for the front door panel, rear door panel, and rear side panel positions. Details support upgrade planning for the factory sound system with aftermarket components.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6x8 | Full-Range |
|
| Rear Door Panel | 6x8 | Full-Range |
|
| Rear Side Panel | 8 | Woofer |
|
1999 Ford Expedition Speaker Replacement Summary
3
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 1 High: 0Replacement priority:
High: 1 Medium: 1 Low: 11999 Ford Expedition 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 1999 Ford Expedition uses 6x8 inch full-range speakers in both front and rear door panels, suggesting a consistent audio platform across the primary listening positions.
- Full-range speakers in the door locations indicate these units handle both mid-range frequencies and higher tones without requiring separate tweeters in the factory configuration.
- The rear side panel position accommodates an 8 inch woofer, which focuses on lower frequency reproduction to complement the door-mounted full-range units.
- Replacing the door panel speakers with aftermarket 6x8 inch components could potentially improve clarity in vocal and instrumental ranges, as full-range designs in this size typically emphasize midrange performance.
- The dedicated woofer location in the rear side panel provides bass reinforcement that may allow the door speakers to operate more efficiently in their intended frequency range.
- Aftermarket component speaker systems with separate crossovers might offer enhanced sound staging compared to the factory full-range configuration, particularly in the door positions.
- The 6x8 inch form factor offers reasonable surface area for sound dispersion while fitting within typical door panel constraints in vehicles of this era.
- Upgrading the rear side panel woofer could increase low-frequency output, though compatibility with the 8 inch mounting location would need verification before installation.