BMW 320i Center Dash Speaker Size
The BMW 320i center dash location accommodates a 1 inch speaker size and 4 inch speakers, supporting both unique speaker sizes across all listed model years. Compatible audio types for these units include tweeters and midrange speakers, covering the full range of system configurations. These specifications apply to the 2013 through 2018 model years.
| Year | Type | Size (inch) |
|---|---|---|
| 2018 | Tweeter | 1 |
| 2018 | Midrange | 4 |
| 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 |
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 320i positions speakers at the topmost forward point of the interior, near the base of the windshield, placing drivers in a high, centrally aligned acoustic plane relative to the listening area.
- A center dash mounting position typically results in a shallow, space-constrained cavity with limited depth, which directly relates to the compatibility of compact speaker sizes such as 1 inch and 4 inch units across the listed model years.
- The 1 inch tweeter size in the BMW 320i center dash corresponds to a small-diameter dome or cone driver designed to reproduce high frequencies, generally in the range of approximately 2,000 Hz to 20,000 Hz or beyond.
- Placement of a 1 inch tweeter at the center dash positions high-frequency output at ear level and near the center of the soundstage, which supports stereo imaging and vocal presence from a forward-facing, centrally located source.
- The 4 inch midrange speaker size accommodates drivers engineered to handle the middle portion of the audible frequency spectrum, broadly covering approximately 500 Hz to 5,000 Hz, which includes the majority of vocal and instrumental fundamentals.
- A 4 inch diameter midrange driver in the center dash location benefits from the forward-facing orientation of the mounting position, as midrange frequencies are moderately directional and the listener receives relatively direct sound projection from the dashboard.
- The BMW 320i center dash supports 2 distinct speaker sizes simultaneously, indicating the location accommodates a multi-driver configuration within the same mounting zone across all listed model years.
- The 4 inch midrange and 1 inch tweeter pairing in the center dash of the BMW 320i represents a combined coverage arrangement where the two driver types address adjacent but non-overlapping portions of the frequency spectrum within a single spatial location.
- The shallow mounting depth typical of a center dash position is acoustically significant for a 4 inch midrange, as smaller cone excursion and reduced enclosure volume at this location influence the low-frequency extension available from the driver.
- A 1 inch tweeter's compact physical footprint is well suited to the limited surface area of a center dash panel, where available mounting real estate is shared with dashboard instrumentation and trim components.