1997 Nissan Altima Speaker Sizes

The 1997 Nissan Altima factory audio system includes specific locations configured with 1 inch for the a-pillar speaker size, 5x7 inch speakers for the front door panel, 6.5 inch units for the rear deck lid, and 6.75 inch units for the rear deck lid. Compatible types for a replacement and upgrade include tweeter, full-range, and midbass.

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 5x7 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6.5 Midbass / Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6.75 Midbass / Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1997 Nissan Altima Speaker Replacement Summary

4 total positions
3 easy to replace
1 high priority
1 professional only

Replacement difficulty:

Low: 3 Medium: 0 High: 1

Replacement priority:

High: 1 Medium: 2 Low: 1

1997 Nissan Altima Radio Slot Size (DIN)

DIN Type Size (inch) Size (mm) Notes
Single DIN 7"×2" 180×50 Standard size for basic car radios with small display or no display
  • Always measure the slot before purchasing a new radio
  • Check slot depth - it may vary

Additional Notes

  • The front door panels in the 1997 Nissan Altima house 5x7 inch full-range speakers, which tend to be the primary sound source and often benefit most from aftermarket replacement.
  • Factory A-pillar tweeters at 1 inch may provide high-frequency detail, though their contribution to overall sound quality varies depending on the existing audio system configuration.
  • The rear deck accommodates both 6.5 inch and 6.75 inch midbass or full-range speakers, suggesting factory variations or potential mounting flexibility in that location.
  • Upgrading full-range speakers typically yields more noticeable sound improvement than replacing dedicated midbass units, since full-range drivers handle the entire audible spectrum.
  • The single DIN radio opening allows for head unit replacement with standard aftermarket receivers, which could enhance source quality before signal reaches the speakers.
  • Pairing new front door speakers with A-pillar tweeter replacements may create a more balanced soundstage, though this depends on whether the factory system includes crossover components.
  • Rear deck speakers often contribute ambient fill rather than primary listening detail, making them lower priority for replacement compared to front locations.
  • The availability of both midbass and full-range options for rear positions suggests flexibility in system design, depending on whether a subwoofer handles low frequencies.