2018 Ram ProMaster City Speaker Sizes

The 2018 Ram ProMaster City factory audio system designates an a-pillar location to accommodate a 1 inch speaker size, while the front door panel location accepts 6.5 inch speakers. Specific replacement and upgrade compatible types include tweeter, midbass, and full-range units.

Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.

Speaker Details by Location
Location Size Type Notes
A-Pillar 1 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low

2018 Ram ProMaster City Speaker Replacement Summary

2 total positions
1 easy to replace
1 high priority
1 professional only

Replacement difficulty:

Low: 1 Medium: 0 High: 1

Replacement priority:

High: 1 Medium: 0 Low: 1

2018 Ram ProMaster City 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 2018 Ram ProMaster City features a two-component speaker arrangement in the front listening area, with tweeters positioned in the A-pillars and larger drivers mounted in the door panels.
  • A-pillar tweeters at 1 inch may represent the factory mounting locations designed specifically for high-frequency reproduction, separate from the door panel midbass duties.
  • The 6.5 inch door panel openings accommodate either dedicated midbass drivers or full-range speakers, suggesting flexibility in component system configurations depending on whether the A-pillar tweeters are utilized.
  • Replacement speakers for the front doors would likely provide the most substantial improvement to overall sound quality, given their size advantage and broader frequency response capabilities compared to the smaller A-pillar units.
  • Component speaker systems designed with separate tweeters and midbass drivers could integrate naturally into the existing architecture, maintaining the factory separation of frequency ranges between the two mounting locations.
  • The radio opening accepts both single DIN and double DIN head units, offering compatibility with a range of aftermarket receivers that could enhance amplification and signal processing for upgraded speakers.
  • Full-range speakers in the door positions might serve as a simpler upgrade path, potentially eliminating the need to replace or retain the A-pillar tweeters while still improving fidelity and output.