1989 Chevrolet Blazer Speaker Sizes

The 1989 Chevrolet Blazer factory audio system dashboard accommodates a 3.5 inch speaker size. The rear door panel accepts 4x10 inch units. Compatible types for replacement and upgrade include full-range.

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

Speaker Details by Location
Location Size Type Notes
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Door Panel 4x10 Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

1989 Chevrolet Blazer Speaker Replacement Summary

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

Replacement difficulty:

Low: 1 Medium: 1 High: 0

Replacement priority:

High: 0 Medium: 2 Low: 0

Additional Notes

  • The dashboard position in the 1989 Chevrolet Blazer uses a 3.5 inch full-range driver, which suggests it may have been a lower-priority installation compared to the larger rear placement, given the relatively small cone area and its likely limited low-frequency output.
  • The rear door panel position accommodates a 4x10 inch oval full-range driver, which tends to offer a wider radiating surface than the dashboard unit, possibly allowing for a broader frequency response from a single driver without the need for supplemental components.
  • Both positions are specified as full-range compatible only, which could indicate that the factory configuration was not designed around a multi-way or component speaker arrangement, potentially leaving some portions of the audible frequency range less represented.
  • Given the size disparity between the two positions, the rear door panel speakers would likely contribute more to overall acoustic output, suggesting that replacement efforts there could yield a more noticeable change in perceived sound quality relative to the dashboard position.
  • The 4x10 inch oval format is a less common sizing in contemporary aftermarket offerings, which may mean that sourcing direct-fit replacement drivers for the rear door panel could involve more limited options compared to the 3.5 inch dashboard position.