2007 Pontiac Grand Prix Speaker Sizes
The 2007 Pontiac Grand Prix speaker size chart provides factory specifications for replacement and aftermarket audio components. Details include speaker locations in the front door panel and rear deck lid. Information covers factory system configurations and specifications for audio upgrades. Aftermarket replacement options are available for all speaker positions within the vehicle audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
2007 Pontiac Grand Prix Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 02007 Pontiac Grand Prix 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 Pontiac Grand Prix factory audio system positions 6.5 inch speakers in the front door panels and 6x9 inch speakers in the rear deck lid, establishing a two-way speaker layout across the cabin.
- Replacement speakers for the front door locations can accommodate either midbass drivers or full-range units, while the rear deck positions support full-range speakers exclusively.
- The front door panel speakers typically handle mid-frequency reproduction and bass response when configured as midbass drivers, whereas full-range units in these locations would cover broader frequency spectrums without requiring separate tweeters.
- Rear deck lid 6x9 inch speakers generally provide extended frequency response due to their oval design, which allows for larger cone surface area compared to round speakers of similar mounting depths.
- Upgrading the front door speakers may produce more noticeable sound quality improvements than rear deck replacements, as front-stage audio tends to influence overall stereo imaging and tonal balance to a greater degree.
- The single DIN and double DIN radio compatibility indicates that aftermarket head unit installations can range from basic single-height receivers to larger touchscreen models with advanced features.
- Selecting full-range speakers for the front locations would simplify installation by eliminating the need for component crossovers or additional tweeter mounting, though component systems often deliver superior high-frequency clarity.
- The 6x9 inch format in the rear deck typically offers enhanced bass output compared to smaller round speakers, though dedicated subwoofer systems would still provide deeper low-frequency extension.