1990 Chevrolet Blazer Speaker Sizes

The 1990 Chevrolet Blazer speaker size chart provides factory speaker specifications and locations for replacement or upgrade purposes. Information covers dashboard and rear side panel positions within the audio system. Data assists with selecting compatible aftermarket speakers based on original equipment specifications installed at each location throughout the factory sound system.

As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.

Speaker Details by Location
Location Size Type Notes
Dashboard 4x6 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Side Panel 6x9 Full-Range
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

1990 Chevrolet Blazer Speaker Replacement Summary

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

Replacement difficulty:

Low: 0 Medium: 2 High: 0

Replacement priority:

High: 0 Medium: 1 Low: 1

Additional Notes

  • The rear side panel locations in the 1990 Chevrolet Blazer accommodate 6x9 inch speakers, which is a notably larger format than the 4x6 inch dashboard positions, suggesting the rear placement may offer greater potential for low-frequency reproduction given the increased cone area.
  • Both speaker positions appear limited to full-range driver compatibility, which could indicate that the factory enclosures and available space were not designed with component speaker systems or dedicated subwoofer configurations in mind.
  • Full-range drivers at the dashboard position, operating within a 4x6 inch format, may face some constraints in reproducing extended bass frequencies, as smaller drivers of this size tend to prioritize midrange and high-frequency output.
  • The disparity in speaker sizing between the front and rear positions could suggest that listeners relying on rear fill for a balanced soundstage might notice a difference in output capability between the two locations.
  • Since both locations are restricted to full-range types, aftermarket coaxial speakers would likely be among the more straightforward replacement options, as they are generally built to operate across the audible frequency range within a single unit.