Infiniti M56 Headrest Speaker Size
The Infiniti M56 headrest location accommodates a 2 inch speaker size across all listed model years. Tweeter units serve as the compatible audio system replacement type. These specifications cover the 2011 to 2013 chart of production years.
| Year | Type | Size (inch) |
|---|---|---|
| 2013 | Tweeter | 2 |
| 2012 | Tweeter | 2 |
| 2011 | Tweeter | 2 |
Speaker Types
| Type | Description |
|---|---|
| Tweeter | A small driver built for high frequencies, typically from about 2,000 Hz to 20,000 Hz. It adds treble detail and clarity and is usually mounted near ear level or aimed at the listener. |
Additional Notes
- The headrest is an integrated structural component of the seat, positioning speakers within inches of the listener's ears at close range.
- Infiniti M56 headrest speaker cutouts are sized for 2-inch drivers across the 2011, 2012, and 2013 model years.
- A 2-inch driver has a small cone surface area, which limits low-frequency excursion but enables accurate reproduction of high-frequency content where short wavelengths benefit from compact radiating surfaces.
- The proximity of the headrest location to the ear means even a low-powered 2-inch driver can deliver adequate sound pressure levels without requiring high excursion or large cone displacement.
- Tweeters are dedicated high-frequency transducers, typically operating in a range above 2,000 Hz, and are designed with stiff, lightweight diaphragms to reproduce treble detail with minimal distortion.
- At the headrest position, a tweeter's narrow high-frequency dispersion pattern is less of a limiting factor than in a door or dashboard location, as the driver faces directly toward the listener's ear from a very short distance.
- The Infiniti M56 headrest mount places the tweeter outside the vehicle's primary acoustic reflection surfaces, reducing comb-filtering artifacts that can affect imaging when high-frequency drivers are mounted in doors or pillars.
- A 2-inch tweeter in the headrest of the Infiniti M56 functions as a near-field high-frequency source, contributing to front-stage soundstage height and imaging precision by placing treble content at ear level.