2004 Pontiac Bonneville Speaker Sizes
The 2004 Pontiac Bonneville factory audio system contains designated locations that accept various components. Specifically, front door panels accommodate 6.5 inch speakers, rear door panels support 5.25 inch units, and rear deck lids accept a 6x9 inch speaker size. Compatible speaker types for a system replacement and upgrade consist of midbass and full-range units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
| Rear Door Panel | 5.25 | Midbass / Full-Range |
|
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: 0Replacement priority:
High: 1 Medium: 2 Low: 02004 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.