2018 Ford F-150 Speaker Sizes
The 2018 Ford F-150 factory audio system includes an a-pillar location that accommodates a 1 inch speaker size, and a center dash location that can accept a 3.5 inch unit. Additional locations feature a front door panel supporting 6x9 inch speakers, a center dash and a rear door panel that both accommodate 6.5 inch speakers, and a location behind the rear seat accepting 8 inch units. Compatible speaker types for system replacement and upgrade consist of tweeters, full-range units, midbass drivers, and subwoofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Behind Rear Seat | 8 | Subwoofer |
|
| Center Dash | 6.5 | Full-Range |
|
| Center Dash | 3.5 | Full-Range |
|
| Front Door Panel | 6x9 | Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2018 Ford F-150 Speaker Replacement Summary
6
total positions
2
easy to replace
1
high priority
1
professional only
Replacement difficulty:
Low: 2 Medium: 3 High: 1Replacement priority:
High: 1 Medium: 4 Low: 12018 Ford F-150 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 A-pillar tweeters in the 2018 Ford F-150 handle high-frequency reproduction and may benefit from replacement if clearer treble response is desired, though upgrading the larger speakers typically yields more noticeable improvements.
- Two different center dash speaker sizes exist within the specification, suggesting that configuration may vary by trim level or audio package, with the 6.5 inch option likely providing fuller midrange output than the 3.5 inch alternative.
- The front door panels accommodate 6x9 inch full-range speakers, which typically offer extended low-frequency response compared to round speakers due to their larger cone area.
- Rear door panel speakers accept both midbass and full-range designs at 6.5 inches, allowing flexibility in system configuration depending on whether a dedicated subwoofer handles bass frequencies.
- The behind-seat subwoofer location at 8 inches provides dedicated low-frequency reinforcement, and aftermarket replacement here could substantially improve bass output and control.
- Replacing the front door 6x9 speakers might produce the most significant audible improvement in overall sound quality, as these handle the majority of the frequency spectrum and sit closest to front passengers.
- The radio accepts both single and double DIN head units, providing installation flexibility for aftermarket receivers with enhanced processing capabilities.
- Full-range compatibility across multiple locations suggests the factory system relies on broad-bandwidth speakers rather than component separation in most positions.