1999 Jeep Grand Cherokee Speaker Sizes

The 1999 Jeep Grand Cherokee speaker size chart provides factory specifications for all speaker locations throughout the vehicle. Information includes replacement sizes for dashboard, front door panel, and rear door panel positions. Data assists with aftermarket audio system upgrade planning by detailing what fits in each factory speaker location.

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Speaker Details by Location
Location Size Type Notes
Dashboard 2.5 Midrange
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6x9 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.75 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

1999 Jeep Grand Cherokee Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 1 High: 0

Replacement priority:

High: 1 Medium: 2 Low: 0

1999 Jeep Grand Cherokee 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 dashboard placement in the 1999 Jeep Grand Cherokee accommodates dedicated midrange speakers at 2.5 inches, which suggests a factory configuration designed for frequency separation rather than full-range reproduction from a single speaker location.
  • Front door panels utilize 6x9 inch openings configured for full-range speakers, indicating these locations likely serve as the primary sound source for front passengers, with the oval shape potentially providing greater cone area than comparable round speakers.
  • Rear door panels accept 6.75 inch speakers suitable for either midbass or full-range operation, offering flexibility in system design depending on whether the installer prioritizes low-frequency reinforcement or independent rear audio coverage.
  • The combination of small dashboard midrange units and larger door-mounted speakers suggests the factory system may have distributed frequencies across multiple locations, with higher frequencies directed from the dash and lower frequencies handled by the door-mounted components.
  • Replacing the 6x9 inch front door speakers would likely produce the most noticeable impact on overall sound quality, given their full-range designation and position as the main audio source for the front soundstage.
  • The dual DIN radio compatibility provides options for both single DIN head units with storage pockets or double DIN units with larger displays, though this relates to source component selection rather than speaker system configuration.
  • Aftermarket component speaker systems might utilize the existing dashboard location for tweeters while installing midbass drivers in the front doors, though this would require attention to the 6x9 inch opening size when selecting components typically designed around round drivers.