2006 Infiniti M45 Speaker Sizes
The 2006 Infiniti M45 factory audio system features specific mounting locations that accommodate various audio components. Center dash and rear deck lid locations accept 3.5 inch speakers, while front door panel and rear door panel locations support 6.5 inch units. The rear deck center accommodates an 8 inch speaker size. Furthermore, the system permits a replacement and upgrade using tweeters, midbass, full-range units, and subwoofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Center Dash | 3.5 | Full-Range |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Center | 8 | Subwoofer |
|
| Rear Deck Lid | 3.5 | Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2006 Infiniti M45 Speaker Replacement Summary
6
total positions
4
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 4 Medium: 2 High: 0Replacement priority:
High: 2 Medium: 4 Low: 0Additional Notes
- The 2006 Infiniti M45 features a multi-location speaker system with six distinct mounting positions, ranging from 1-inch tweeters to an 8-inch subwoofer location.
- Front door panels accommodate a component setup with dedicated 1-inch tweeter positions alongside 6.5-inch midbass or full-range locations, suggesting a factory component speaker configuration.
- Center dash and rear deck lid positions share identical 3.5-inch full-range specifications, providing mid-cabin and rear soundstage fill.
- Both front and rear door panels accept 6.5-inch speakers with either midbass or full-range compatibility, offering flexibility in system design between component and coaxial configurations.
- The rear deck center houses an 8-inch subwoofer position, indicating factory low-frequency reinforcement capability without requiring additional enclosure construction.
- Replacing the front door tweeters and midbass drivers would likely yield the most noticeable improvement to vocal clarity and mid-frequency detail during daily listening.
- The presence of dedicated tweeter locations in the front doors suggests that component speakers rather than coaxial units may better utilize the existing mounting architecture.
- Upgrading the 8-inch rear deck subwoofer could enhance bass response without the space requirements of traditional enclosed aftermarket subwoofer installations.
- The 3.5-inch dash and deck lid positions, while smaller, contribute to overall soundstage width and may benefit from upgraded full-range drivers with improved frequency extension.