1998 Infiniti I30 Speaker Sizes

The 1998 Infiniti I30 factory audio system features front door panels that accommodate 1 inch units and front door panels and rear door panel locations that support 6.5 inch speakers. Compatible speaker types for a sound system replacement or upgrade include tweeter, midbass, and full-range.

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

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

1998 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

1998 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 1998 Infiniti I30 front door panels accommodate a two-way component setup with separate tweeter positions alongside the larger speaker locations, which may allow for more precise sound staging compared to single full-range configurations.
  • Both front and rear door panels share the same 6.5 inch speaker sizing, which could simplify replacement planning when sourcing aftermarket units for a complete four-door upgrade.
  • The available tweeter position in the front doors suggests that factory sound design may have prioritized high-frequency dispersion in the front stage, potentially making front speaker replacement more impactful than rear updates for overall listening quality.
  • Midbass-specific drivers might offer improved mid-frequency response and vocal clarity when paired with the dedicated tweeter locations, though full-range options remain compatible for simpler replacement approaches.
  • The radio bay accepts both Single DIN and Double DIN head units, which could provide flexibility when considering source unit upgrades alongside speaker replacements in the 1998 Infiniti I30.
  • Component speaker systems designed for 6.5 inch applications would likely integrate well with the existing tweeter positions, potentially preserving or enhancing the original acoustic design intentions.