2007 Chevrolet HHR Speaker Sizes

The 2007 Chevrolet HHR speaker size chart provides factory and aftermarket specifications for audio system replacement or upgrade. Information includes speaker locations in front door panels, rear door panels, and rear side panels. Aftermarket speakers compatible with factory mounting positions are detailed for each location within the audio system.

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Speaker Details by Location
Location Size Type Notes
Front Door Panel 6.75 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 1.5 Tweeter
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
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
Rear Side Panel 8 Woofer
  • Requires trim removal
  • Medium replacement priority
  • Replacement difficulty: medium

2007 Chevrolet HHR Speaker Replacement Summary

5 total positions
4 easy to replace
3 high priority
0 professional only

Replacement difficulty:

Low: 4 Medium: 1 High: 0

Replacement priority:

High: 3 Medium: 1 Low: 1

2007 Chevrolet HHR 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 2007 Chevrolet HHR factory audio system includes both dedicated tweeters and larger drivers in the front doors, suggesting a component-style setup that may benefit from matched aftermarket upgrades to maintain tonal balance across frequencies.
  • Front door panels accommodate multiple size options including 6.5-inch and 6.75-inch midbass or full-range drivers, indicating some flexibility in replacement speaker selection depending on mounting adapter compatibility.
  • Rear door panels feature 6.5-inch positions while rear side panels house 8-inch woofers, creating a potential emphasis on lower frequency extension from the rear soundstage in the 2007 Chevrolet HHR.
  • The 1.5-inch tweeter locations in the front doors could allow for separate high-frequency driver upgrades when installing component speaker systems rather than coaxial alternatives.
  • The dual-DIN radio compatibility provides options for aftermarket head unit installations that might offer improved power output to drive replacement speakers more effectively than factory amplification.
  • Replacing rear side panel woofers with higher-quality 8-inch drivers might noticeably enhance bass response without requiring subwoofer additions, though this depends on individual listening preferences.
  • The front door configuration with both tweeter and midbass positions suggests that component speaker sets could integrate more naturally than in vehicles with only single-driver locations per door.