2004 Pontiac Bonneville Speaker Sizes

The speaker size chart for the 2004 Pontiac Bonneville details factory specifications and locations for audio system components. Information covers replacement options for speakers in rear door panels, front door panels, and rear deck lid positions. Specifications include aftermarket upgrade compatibility data for each speaker location within the factory audio system.

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Speaker Details by Location
Location Size Type Notes
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 5.25 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

2004 Pontiac Bonneville Speaker Replacement Summary

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

Replacement difficulty:

Low: 3 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 2 Low: 0

2004 Pontiac Bonneville 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 2004 Pontiac Bonneville features three distinct speaker locations with varying sizes, suggesting a tiered approach to audio distribution throughout the cabin. The front door panels accommodate 6.5-inch speakers while the rear doors use smaller 5.25-inch units, and the rear deck lid houses 6x9-inch speakers.
  • Both midbass and full-range speaker types are compatible with the front and rear door panel locations, potentially allowing flexibility in component selection based on whether a separate tweeter configuration is planned or if a single full-range driver is preferred.
  • The rear deck lid location exclusively supports full-range speakers in the 6x9-inch format, which typically offers extended frequency response due to the larger cone area compared to the round door speakers.
  • The front door position may be considered a priority for upgrades given the larger 6.5-inch size specification, as this location often provides more direct sound staging to front seat occupants compared to rear-mounted speakers.
  • The 2004 Pontiac Bonneville's radio accepts both single DIN and double DIN head units, potentially allowing for modernization of source equipment alongside speaker replacements.
  • The oval 6x9-inch rear deck speakers could contribute enhanced bass response relative to the round door speakers due to increased surface area, though this depends on the specific driver design and enclosure characteristics.
  • Aftermarket speaker installations would need to account for the size variation across the three locations, as a single universal speaker size cannot address all positions in this particular audio system layout.
  • The midbass compatibility designation for door speakers suggests these locations may perform better with frequency-specific drivers when paired with separate high-frequency components, though full-range options remain viable for simpler installations.