1992 Infiniti M30 Speaker Sizes

The 1992 Infiniti M30 speaker size chart provides factory speaker specifications and locations for replacement or aftermarket audio system upgrades. Information covers front door panel and rear deck lid positions. Data includes speaker specifications to assist in selecting compatible aftermarket audio components that match original factory system configurations.

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Speaker Details by Location
Location Size Type Notes
Front Door Panel 4 Midrange
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1992 Infiniti M30 Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 0

1992 Infiniti M30 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 1992 Infiniti M30 features a two-location speaker configuration, with smaller 4-inch units positioned in the front door panels and larger 6x9-inch speakers mounted in the rear deck lid area.
  • Front door panel speakers are classified as midrange drivers, suggesting they handle mid-frequency audio content rather than the full spectrum of sound frequencies.
  • Rear deck lid speakers utilize full-range drivers in the 6x9-inch format, which indicates these components may reproduce low, mid, and high frequencies without requiring separate woofers or tweeters.
  • The midrange-only designation for front speakers suggests that factory audio design likely relied on separate components for bass and treble reproduction, or that the rear speakers carried the burden of full-frequency output.
  • Aftermarket replacement options for the front location would need to accommodate the 4-inch opening while maintaining midrange functionality, though full-range alternatives in that size could expand frequency response.
  • The 6x9-inch format in the rear provides more cone surface area than the front speakers, which typically translates to greater bass output capability and overall volume potential.
  • Both Single DIN and Double DIN radio chassis may fit the dash opening, offering flexibility when upgrading the head unit to modern receivers with amplified outputs that could better drive replacement speakers.
  • Replacing the rear deck speakers might yield more noticeable sound quality changes given their full-range nature and larger size compared to the limited-bandwidth front midrange drivers.