2018 Ram 1500 Speaker Sizes
The 2018 Ram 1500 factory audio system features specific mounting positions that support various speaker formats. Center dash and dashboard locations accommodate 3.5 inch speakers. Front door panel and rear door panel locations accept 6x9 inch units. Rear roof supports a 1 inch speaker size, while below rear seat accommodates an 8 inch unit. Compatible replacement and upgrade speaker types consist of tweeters, full-range units, and subwoofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Below Rear Seat | 8 | Subwoofer |
|
| Center Dash | 3.5 | Full-Range |
|
| Dashboard | 3.5 | Full-Range |
|
| Front Door Panel | 6x9 | Full-Range |
|
| Rear Door Panel | 6x9 | Full-Range |
|
| Rear Roof | 1 | Tweeter |
|
2018 Ram 1500 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 Ram 1500 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 factory audio system in the 2018 Ram 1500 incorporates multiple speaker locations throughout the cabin, with configurations ranging from 1-inch tweeters to 8-inch subwoofers depending on position.
- Dash-mounted speakers utilize 3.5-inch full-range drivers in both center and side dashboard positions, which typically represent primary upgrade opportunities for improving mid-range clarity and vocal reproduction.
- Both front and rear door panels accommodate 6x9 inch full-range speakers, a common oval format that often provides greater cone area than comparable round speakers while fitting into OEM mounting locations.
- The system includes a dedicated 1-inch tweeter position at the rear roof location, suggesting a multi-way configuration that separates high-frequency output from the larger door-mounted drivers.
- An 8-inch subwoofer location exists below the rear seat, indicating factory provisions for low-frequency reinforcement that may be present or absent depending on trim level and original equipment specifications.
- Aftermarket installations can accommodate either single DIN or double DIN head units, providing flexibility for modern touchscreen interfaces or retaining conventional receiver formats.
- The 6x9 inch door speakers likely handle the majority of frequency reproduction in non-upgraded systems, making them potentially high-priority replacement candidates for noticeable sound quality improvements.
- The presence of separate tweeter locations suggests that component speaker systems with dedicated crossovers might integrate more naturally than coaxial replacements in certain positions.