1998 Nissan 240SX Speaker Sizes

The 1998 Nissan 240SX factory audio system locations accommodate specific drivers, where the a-pillar supports a 0.75 inch speaker size, while the front door panel and rear deck lid accommodate 6.5 inch speakers. Compatible speaker types for a system replacement and upgrade consist of tweeters, midbass, and full-range units.

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

Speaker Details by Location
Location Size Type Notes
A-Pillar 0.75 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
Front Door Panel 6.5 Midbass / 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

1998 Nissan 240SX Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 0 High: 1

Replacement priority:

High: 1 Medium: 1 Low: 1

1998 Nissan 240SX 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 Nissan 240SX features a three-position speaker layout with A-pillar tweeters and 6.5-inch openings in both front and rear locations.
  • The A-pillar locations accommodate 0.75-inch tweeters, which typically handle high-frequency reproduction in the audio spectrum.
  • Both front door panels and rear deck lid accept 6.5-inch speakers that can be replaced with either midbass drivers or full-range units depending on system configuration.
  • Upgrading the front door speakers in the 1998 Nissan 240SX may take priority since these positions generally provide the most direct sound to occupants.
  • The factory A-pillar tweeters could be replaced with aftermarket units to potentially improve high-frequency clarity and staging.
  • Midbass speakers in the 6.5-inch locations would require separate high-frequency drivers, while full-range speakers incorporate both frequency ranges in a single unit.
  • The rear deck lid speakers often contribute to overall system fullness but typically receive lower priority than front-stage components during upgrades.
  • The radio opening supports both single DIN and double DIN head units, providing flexibility for source unit upgrades that could enhance overall sound quality.
  • Component speaker systems with separate tweeters and midbass drivers could utilize the existing A-pillar and door locations without additional mounting modifications.