2007 Infiniti M45 Speaker Sizes
The 2007 Infiniti M45 speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations throughout the vehicle: front door panel, center dash, rear door panel, rear deck lid, and rear deck center positions. Data covers factory-installed speaker specifications to assist with aftermarket audio system component planning.
As an Amazon Associate, we may earn a commission from purchases made through links marked. Read more in our disclaimer.
| 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 |
|
2007 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 2007 Infiniti M45 factory audio system incorporates a multi-speaker configuration that separates frequency ranges across different locations, with dedicated tweeters handling high frequencies while larger drivers manage mid and low-range output.
- Replacement priority might typically focus on the 6.5 inch door panel speakers, as these locations tend to deliver the most noticeable improvement in sound quality due to their proximity to occupants and their role in reproducing midrange frequencies critical to vocal clarity.
- The presence of dedicated 1 inch tweeters in the front door panels suggests the factory system employs a component-style approach rather than relying solely on coaxial speakers, which could allow for more refined high-frequency reproduction when upgraded.
- Both 3.5 inch positions utilize full-range speakers, indicating these locations handle a broad frequency spectrum despite their smaller size, though their output capabilities would naturally be more limited compared to the larger door-mounted drivers.
- The 8 inch rear deck center position designated for subwoofer use provides factory bass reinforcement, though aftermarket subwoofer upgrades in this location could offer substantially deeper low-frequency extension and higher output levels than the original equipment.
- Door panel speakers at 6.5 inches accept either midbass or full-range replacements, giving flexibility in upgrade paths depending on whether the installer prefers to retain the factory tweeter setup or switch to coaxial speakers that combine both drivers.
- Sound improvement potential would likely be most significant when addressing the larger drivers first, as they handle the majority of audible content, while tweeter and small full-range speaker upgrades might provide more subtle refinements to the overall sonic presentation.