2009 Ford Expedition Speaker Sizes
The 2009 Ford Expedition speaker size chart displays factory specifications and locations for aftermarket replacement speakers. Information covers front door panel, rear door panel, and rear side panel audio system components. Specifications assist with identifying compatible upgrade options for factory speakers in each location throughout the vehicle.
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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 |
|
2009 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: 12009 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 2009 Ford Expedition uses 6x8 inch full-range speakers in both the front and rear door panels, suggesting a uniform approach to mid-range frequency reproduction throughout the cabin.
- An 8 inch woofer in the rear side panel location indicates that lower frequency reinforcement was incorporated into the factory audio design, potentially offering enhanced bass response when properly driven.
- Door panel speakers would typically be the first replacement priority in aftermarket upgrades, as full-range drivers in these locations handle the majority of vocal and instrumental content that passengers notice most directly.
- The 6x8 inch opening size provides flexibility for replacement options, as many aftermarket manufacturers produce oval speakers in this configuration with improved cone materials and surround designs compared to factory units.
- Full-range compatibility in all door positions means the factory system likely relied on passive crossover networks or direct amplifier output without dedicated component separation between tweeters and woofers.
- The dedicated woofer position in the rear side panel could complement upgraded door speakers by handling frequencies below where 6x8 inch drivers typically begin to lose efficiency, roughly in the 80-100 Hz range.
- Single DIN and double DIN radio compatibility in the 2009 Ford Expedition allows for head unit upgrades that might provide additional power output or signal processing to better drive replacement speakers.
- Replacing factory full-range speakers with aftermarket units featuring higher sensitivity ratings, often measured around 90-92 dB, could produce noticeably louder output without requiring additional amplification.
- The rear side panel woofer location may benefit from a replacement unit with a stiffer cone material and larger voice coil to handle increased power if the audio system receives amplification upgrades.
- Component speaker systems with separate tweeters could potentially be adapted to the 6x8 inch door locations, though mounting depth and tweeter placement would need verification against the specific door panel geometry.