2011 Infiniti M56 Speaker Sizes
The 2011 Infiniti M56 speaker size chart presents factory audio system specifications and replacement speaker locations. Information covers front door panel, rear door panel, center dash, rear deck center, rear deck lid, and headrest speaker positions. The chart provides aftermarket upgrade specifications for all audio system speaker locations in the M56.
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 | Midrange |
|
| Front Door Panel | 3 | Midrange |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6x9 | Full-Range |
|
| Headrest | 2 | Tweeter |
|
| Rear Deck Center | 10 | Subwoofer |
|
| Rear Deck Lid | 3 | Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2011 Infiniti M56 Speaker Replacement Summary
8
total positions
5
easy to replace
3
high priority
1
professional only
Replacement difficulty:
Low: 5 Medium: 2 High: 1Replacement priority:
High: 3 Medium: 4 Low: 1Additional Notes
- The 2011 Infiniti M56 features a multi-component speaker arrangement with dedicated tweeters, midrange drivers, and bass-focused speakers distributed across different locations throughout the cabin.
- The front door panels incorporate a three-way speaker configuration consisting of a 1-inch tweeter, 3-inch midrange, and 6x9 inch full-range driver, suggesting a factory system designed for broad frequency coverage.
- Headrest-mounted 2-inch tweeters indicate an available surround sound or premium audio package that positions high-frequency drivers closer to occupant ear level for enhanced spatial imaging.
- The rear deck center houses a 10-inch subwoofer, which likely handles low-frequency reproduction and may be the primary candidate for aftermarket upgrades when seeking enhanced bass response.
- Rear door panels contain 6.5-inch speakers compatible with both midbass and full-range drivers, offering flexibility in replacement component selection depending on whether the factory system uses passive crossovers or relies on the head unit for signal filtering.
- A 3-inch midrange speaker in the center dash position suggests the 2011 Infiniti M56 may include a center channel configuration, which would indicate a multi-channel amplified system rather than a basic stereo setup.
- The rear deck lid incorporates 3-inch full-range speakers that likely provide fill audio for rear passengers, though these smaller drivers typically contribute less to overall sound quality compared to larger door-mounted components.
- When considering speaker replacement, the 6x9 inch front door speakers and 10-inch rear deck subwoofer would generally provide the most noticeable sound improvement due to their size and frequency range responsibilities.
- The tweeter locations in both the front doors and headrests indicate that replacement efforts should account for potential duplicate high-frequency coverage, which may require consideration of impedance matching and power handling to avoid overwhelming the treble response.