1991 Dodge Ram 50 Speaker Sizes
The 1991 Dodge Ram 50 factory audio system features dashboard and behind seat locations that accommodate 4 inch speakers, while the front door panel supports a 6x9 inch speaker size. Midrange and full-range units serve as compatible speaker types for audio system replacement and upgrade.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Behind Seat | 4 | Midrange |
|
| Dashboard | 4 | Midrange |
|
| Front Door Panel | 6x9 | Full-Range |
|
1991 Dodge Ram 50 Speaker Replacement Summary
3
total positions
1
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 1 Medium: 2 High: 0Replacement priority:
High: 1 Medium: 2 Low: 01991 Dodge Ram 50 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN | 7"×2" | 180×50 | Standard size for basic car radios with small display or no display |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 1991 Dodge Ram 50 factory audio system integrates three distinct speaker locations, each serving different frequency response roles within the cabin acoustic environment.
- Front door panels accommodate 6x9 inch full-range speakers, which typically handle the broadest frequency spectrum compared to other factory positions in this configuration.
- Both dashboard and behind-seat positions utilize 4 inch midrange speakers, suggesting a factory design that emphasizes mid-frequency reproduction at multiple listening positions throughout the cab.
- The full-range 6x9 speakers in the door panels likely represent the primary sound source for bass frequencies, as the smaller 4 inch units lack sufficient cone area for low-frequency extension.
- Replacing the door panel speakers would generally provide the most substantial impact on overall sound quality, given their full-range capability and larger radiating surface area.
- The dual 4 inch midrange locations may create overlapping coverage patterns in the mid-frequency range, potentially affecting vocal clarity and instrumental definition depending on positioning relative to occupants.
- Aftermarket replacement options for the 4 inch locations remain limited compared to more common sizes, which could constrain upgrade paths for those positions.
- The single DIN radio opening follows standard dimensioning at 180mm x 50mm, maintaining compatibility with most aftermarket head units without modification to the dash structure.
- Component speaker systems could potentially utilize the existing door panel opening for woofer installation while relocating tweeters to optimize high-frequency dispersion.
- The absence of rear door speakers in this specification suggests a two-door cab configuration or intentional limitation of the factory audio system scope.