1999 Nissan Quest Speaker Sizes

The 1999 Nissan Quest factory audio system features specific mounting positions that accept various components. Front door panels accommodate 1 inch tweeters and 6x8 inch units. Rear speakers accept 4 inch speakers and 6x8 inch units, while rear side panels accept a 4 inch speaker size, 6 inch units, and 6x8 inch units. Available compatible speaker types for replacement and upgrade projects consist of tweeters, midrange drivers, midbass units, and full-range designs.

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 6x8 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear 4 Midrange
  • Secondary sound location
  • Medium replacement priority
  • Replacement difficulty: medium
Rear 6x8 Full-Range
  • Secondary sound location
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Side Panel 4 Midrange
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Side Panel 6 Midbass / Full-Range
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Side Panel 6x8 Full-Range
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

1999 Nissan Quest Speaker Replacement Summary

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

Replacement difficulty:

Low: 2 Medium: 5 High: 0

Replacement priority:

High: 2 Medium: 2 Low: 3

1999 Nissan Quest 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 1999 Nissan Quest appears to use a multi-speaker audio configuration with locations distributed across front door panels, rear positions, and rear side panels throughout the cabin.
  • Front door panels in this vehicle may accommodate both 1-inch tweeters for high-frequency reproduction and 6x8-inch full-range speakers for broader sound coverage.
  • Rear locations include 4-inch midrange speakers that likely handle vocal and instrumental frequencies in the middle portion of the audio spectrum.
  • Rear side panels feature the most varied speaker options, with 4-inch midrange units, 6-inch speakers rated for midbass or full-range operation, and 6x8-inch full-range drivers potentially installed in these positions.
  • The presence of dedicated tweeter locations suggests the factory audio system may have been designed with some degree of frequency separation in mind.
  • Midbass or full-range 6-inch speakers in rear side panels could contribute low-frequency reinforcement or complete audio range reproduction depending on the specific factory configuration.
  • Multiple 6x8-inch full-range speaker positions across front doors, rear, and rear side panels indicate this size may serve as the primary driver format for the 1999 Nissan Quest audio system.
  • The radio opening accepts both single DIN and double DIN head units, which may allow for aftermarket receiver upgrades with enhanced audio processing capabilities.
  • Replacing 4-inch midrange speakers with higher-quality units could potentially improve clarity in vocal frequencies and instrumental detail.
  • The 6x8-inch full-range positions might offer the most substantial impact on overall sound quality when upgraded due to their size and broader frequency handling capability.