BMW X6 Center Dash Speaker Size
The BMW X6 center dash accommodates a 1 inch speaker size and 4 inch speakers, supporting 2 unique size options across the location. Compatible audio types for these units include tweeters and midrange replacements. The specifications in this system chart cover the years 2008 through 2017.
| Year | Type | Size (inch) |
|---|---|---|
| 2017 | Tweeter | 1 |
| 2017 | Midrange | 4 |
| 2016 | Tweeter | 1 |
| 2016 | Midrange | 4 |
| 2015 | Tweeter | 1 |
| 2015 | Midrange | 4 |
| 2014 | Tweeter | 1 |
| 2014 | Midrange | 4 |
| 2013 | Tweeter | 1 |
| 2013 | Midrange | 4 |
| 2012 | Tweeter | 1 |
| 2012 | Midrange | 4 |
| 2011 | Tweeter | 1 |
| 2011 | Midrange | 4 |
| 2010 | Tweeter | 1 |
| 2010 | Midrange | 4 |
| 2009 | Tweeter | 1 |
| 2009 | Midrange | 4 |
| 2008 | Tweeter | 1 |
| 2008 | Midrange | 4 |
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. |
| Midrange | A driver for the middle of the audible range, typically from about 300 Hz to 5,000 Hz, where vocals and most instruments sit. It is often paired with a tweeter and a woofer. |
Additional Notes
- The center dash location in the BMW X6 sits along the central axis of the vehicle's interior, positioning speakers near the windshield base where sound can radiate forward and upward toward all front and rear occupants.
- A center dash placement typically involves shallow mounting depth and limited cavity space, which makes compact driver diameters a functional requirement for physical fitment.
- The 1 inch driver size specified for the BMW X6 center dash is consistent with the small diaphragm area tweeters require to move rapidly enough to reproduce high frequencies accurately in the upper kilohertz range.
- Tweeters reproduce high-frequency content, generally from around 2 kHz upward, and a 1 inch dome or cone tweeter at the center dash position distributes treble-range audio across the cabin from a central point, reducing left-right imaging asymmetry at high frequencies.
- The 4 inch midrange driver is sized to handle frequencies typically spanning the upper bass through the presence region, roughly 300 Hz to 5 kHz, which includes the majority of vocal and instrument fundamental tones.
- A 4 inch cone diameter keeps the driver compact enough for center dash installation while still providing a diaphragm surface area sufficient to move air effectively in the midrange band without significant excursion demands.
- Midrange drivers in a center dash position direct mid-frequency vocal and instrumental content toward the listener from a centrally mounted source, which contributes to a focused phantom center image in a stereo or multi-channel audio configuration.
- The coexistence of a 1 inch tweeter and a 4 inch midrange at the same center dash location indicates a multi-driver configuration at this position, where each driver handles a discrete portion of the frequency spectrum rather than a single full-range unit covering all frequencies.
- The 4 inch midrange driver's relatively modest cone mass allows for faster transient response in the mid frequencies compared to larger woofer-sized drivers, which is a relevant mechanical characteristic for a location intended to handle detailed midrange content.
- Because the center dash is a fixed, symmetrically positioned mounting point relative to the vehicle's longitudinal centerline, both the 1 inch tweeter and the 4 inch midrange radiate from an equidistant location to left and right seating positions in the front cabin.