2011 Chevrolet Cobalt Speaker Sizes

The 2011 Chevrolet Cobalt factory audio system features specific mounting locations and corresponding dimensions. The a-pillar accommodates a 1 inch speaker size, while the front door panel and rear door panel accommodate 6.5 inch speakers. Compatible types for acoustic replacement and upgrade include tweeter, midbass, and full-range.

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

Speaker Details by Location
Location Size Type Notes
A-Pillar 1 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 Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2011 Chevrolet Cobalt 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

Additional Notes

  • The A-pillar locations in the 2011 Chevrolet Cobalt are sized at 1 inch, which is a slot typically associated with tweeter-only drivers rather than full-range units.
  • Tweeters housed in the A-pillar position tend to benefit high-frequency dispersion toward the listening area, given that the placement is generally closer to ear level than door-mounted speakers.
  • Both the front and rear door panels share the same 6.5-inch sizing, which may simplify a replacement process since a single driver size could potentially work across all four door locations.
  • The 6.5-inch openings are listed as compatible with midbass or full-range driver types, suggesting some flexibility in how the low-to-mid frequency reproduction could be configured.
  • A midbass driver in the door panels, when paired with the A-pillar tweeters, could point toward a component speaker arrangement as a potential upgrade path over a full-range setup.
  • Rear door panel locations also support 6.5-inch drivers, though rear fill contribution to overall sound staging may be considered secondary to the front soundstage in many listening evaluations.
  • Given the available locations, the front door panels are often regarded as the higher-priority replacement points, since front speaker placement tends to have a greater influence on perceived audio imaging.