1991 Nissan NX Speaker Sizes

The 1991 Nissan NX speaker size chart provides factory speaker specifications and locations for aftermarket replacement or audio system upgrade purposes. Information includes speaker positions in the front door panel and rear side panel areas. Factory specifications help identify compatible aftermarket components for audio system modifications.

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Speaker Details by Location
Location Size Type Notes
Front Door Panel 4x6 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Side Panel 6.5 Midbass / Full-Range
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

1991 Nissan NX Speaker Replacement Summary

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

Replacement difficulty:

Low: 1 Medium: 1 High: 0

Replacement priority:

High: 1 Medium: 0 Low: 1

1991 Nissan NX 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 1991 Nissan NX accommodate 4x6 inch full-range speakers, which may be prioritized for replacement given their direct impact on the driver and front passenger listening experience.
  • Full-range speakers for the front position would handle the entire frequency spectrum from a single cone, eliminating the need for separate tweeters or crossovers in this location.
  • The rear side panels accept 6.5 inch speakers, which offer flexibility between midbass drivers for enhanced low-frequency response or full-range configurations depending on the desired audio setup.
  • Midbass-capable speakers in the rear position could provide better bass reproduction compared to smaller 4x6 inch front speakers, potentially balancing the overall sound distribution throughout the cabin.
  • The combination of 4x6 inch front and 6.5 inch rear speakers in the 1991 Nissan NX suggests a factory configuration where larger rear drivers might compensate for the limited bass output from the smaller front units.
  • Sound improvement could be achieved by selecting higher sensitivity speakers for the front position, which would produce greater output from the factory head unit's power.
  • The single DIN radio opening allows for straightforward aftermarket receiver upgrades without requiring dash modifications or additional adapter kits beyond the standard mounting sleeve.
  • Replacing the rear speakers with dedicated midbass drivers might create a more defined low-frequency foundation, particularly if the front speakers are upgraded to components with separate tweeters.