1999 Infiniti I30 Speaker Sizes

The 1999 Infiniti I30 speaker size chart provides factory specifications for replacement or aftermarket audio components. Information covers speaker locations in front door panels and rear door panels. Data includes factory speaker dimensions and configurations to assist with audio system upgrades and aftermarket installations throughout the vehicle.

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Speaker Details by Location
Location Size Type Notes
Front Door Panel 1 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

1999 Infiniti I30 Speaker Replacement Summary

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

Replacement difficulty:

Low: 3 Medium: 0 High: 0

Replacement priority:

High: 2 Medium: 1 Low: 0

1999 Infiniti I30 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 1999 Infiniti I30 features a factory-separated speaker configuration in the front doors, with dedicated 1-inch tweeter locations alongside 6.5-inch positions for midbass or full-range drivers, suggesting a two-way component system arrangement could integrate without requiring additional mounting modifications.
  • Both front and rear door panels accept 6.5-inch speakers compatible with either midbass drivers or full-range units, which indicates some flexibility in replacement strategy depending on whether the installer plans to maintain separate tweeters or consolidate to coaxial speakers.
  • The separate tweeter positions in the front doors of the 1999 Infiniti I30 may offer better high-frequency dispersion compared to typical coaxial configurations, though this depends on the original mounting angle and location relative to listening positions.
  • Rear door speaker replacements would likely contribute more to overall cabin fill and ambient sound rather than primary listening quality, since rear-positioned 6.5-inch drivers typically handle less critical imaging responsibilities in front-stage-focused audio systems.
  • The dashboard accepts both single DIN and double DIN head units, which provides options for upgrading source equipment alongside speaker replacements to maximize potential sound quality improvements from aftermarket drivers.
  • Component speaker sets with dedicated tweeters and midbass drivers could utilize the existing factory tweeter locations in the front doors, potentially simplifying installation compared to vehicles requiring tweeter sail panel fabrication or custom mounting solutions.
  • Aftermarket full-range speakers in the 6.5-inch positions would eliminate the need for separate tweeter components, though this might reduce high-frequency detail compared to properly positioned dedicated tweeters in the existing 1-inch locations.