2008 Infiniti G37 Speaker Sizes
The 2008 Infiniti G37 factory audio system integrates multiple locations for transducers. Center dash accommodates a 4 inch speaker size. Front door panel and rear side panel support 3.5 inch units. Front door panel also accepts a 1 inch component, while front door panel and rear deck lid accommodate 6.75 inch and 6x9 inch components respectively. Compatible replacement and upgrade speaker types include tweeter, midrange, midbass, and full-range.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Center Dash | 4 | Midrange |
|
| Front Door Panel | 3.5 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.75 | Midbass / Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
| Rear Side Panel | 3.5 | Midrange |
|
2008 Infiniti G37 Speaker Replacement Summary
6
total positions
4
easy to replace
3
high priority
0
professional only
Replacement difficulty:
Low: 4 Medium: 2 High: 0Replacement priority:
High: 3 Medium: 2 Low: 12008 Infiniti G37 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 2008 Infiniti G37 utilizes a multi-component speaker configuration with separate tweeters, midrange drivers, and midbass units distributed across the cabin rather than relying solely on coaxial full-range speakers.
- Front door panels accommodate three distinct speaker elements: a 1-inch tweeter for high frequencies, a 3.5-inch midrange driver, and a 6.75-inch midbass or full-range speaker, creating a three-way component system in each front door.
- The rear deck lid features 6x9-inch full-range speakers, which represent the largest speaker openings in the 2008 Infiniti G37 and typically handle broader frequency ranges without requiring separate tweeters or midrange components.
- Replacing the front door speakers may take priority given their multi-driver configuration, as these locations contain the majority of the audio components and likely contribute most significantly to overall sound staging and frequency coverage.
- The 3.5-inch midrange speakers installed in both front door panels and rear side panels handle crucial mid-frequency content where vocals and many instruments reside, making their replacement potentially impactful for tonal balance.
- Component speaker systems with dedicated tweeters generally provide enhanced high-frequency detail and imaging compared to coaxial designs, though aftermarket options would need to match the existing 1-inch tweeter size in the front doors.
- The center dash location houses a 4-inch midrange speaker that may serve as a center channel for stereo imaging or fill purposes, though its contribution to overall sound quality varies depending on factory audio system configuration.
- Both single DIN and double DIN radio configurations are compatible with the dash opening, potentially offering flexibility when considering head unit upgrades alongside speaker replacements.