Audi A4 Quattro Center Dash Speaker Size
The Audi A4 Quattro center dash accommodates 1 inch speakers, a 2.5 inch speaker size, and 3 inch units across the model range. Compatible types for these locations include tweeter and midrange units. The specifications cover the 2002 to 2018 model years.
| Year | Type | Size (inch) |
|---|---|---|
| 2018 | Tweeter | 1 |
| 2018 | Midrange | 2.5 |
| 2017 | Tweeter | 1 |
| 2017 | Midrange | 2.5 |
| 2016 | Midrange | 2.5 |
| 2015 | Midrange | 2.5 |
| 2014 | Midrange | 2.5 |
| 2013 | Midrange | 2.5 |
| 2012 | Midrange | 2.5 |
| 2011 | Midrange | 2.5 |
| 2010 | Midrange | 2.5 |
| 2009 | Midrange | 2.5 |
| 2009 | Midrange | 3 |
| 2008 | Midrange | 3 |
| 2007 | Midrange | 3 |
| 2006 | Midrange | 3 |
| 2005 | Midrange | 3 |
| 2004 | Midrange | 3 |
| 2003 | Midrange | 3 |
| 2002 | Midrange | 3 |
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 Audi A4 Quattro sits along the vehicle's acoustic centerline, positioning speakers to project sound symmetrically toward the front cabin occupants.
- A center dash mounting position typically places speakers at or near dashboard level, directing audio upward and rearward toward seated listeners rather than toward footwells or door panels.
- The 2.5 inch driver size found across multiple model years in the Audi A4 Quattro center dash accommodates a shallow, compact mounting depth, consistent with the limited cabinet volume available within a dashboard housing.
- A 2.5 inch driver in a midrange role handles vocal frequencies and upper-mid instrumentation, generally covering a band from roughly 500 Hz to several kHz, which are the frequencies most critical to speech intelligibility and tonal presence in the front soundstage.
- The 3 inch midrange driver, listed for model years 2002 through 2009, has a slightly larger cone area than the 2.5 inch variant, allowing marginally greater displacement and the potential to reach slightly lower into the midrange band from the same center dash position.
- A midrange driver, regardless of diameter, is designed to reproduce the middle portion of the audible spectrum and is not intended to reproduce deep bass or the extreme upper frequencies handled by subwoofers or tweeters.
- The 1 inch tweeter size, listed for the 2017 and 2018 Audi A4 Quattro center dash, is characteristic of a dome tweeter form factor, which disperses high frequencies broadly and suits a centrally positioned, dash-mounted location.
- A tweeter reproduces high frequencies, typically above 2 kHz to 3 kHz, and placing one at center dash positions the high-frequency source at a height closer to ear level for front-seat occupants compared to door-mounted alternatives.
- The coexistence of both a 1 inch tweeter and a 2.5 inch midrange in the 2017 and 2018 center dash specifications indicates the location accommodates 2 distinct driver openings in those model years.
- In the 2009 model year, both the 2.5 inch and 3 inch midrange sizes are listed, indicating the center dash location accepted 2 different driver diameters depending on the specific vehicle configuration for that year.
- The transition from 3 inch to 2.5 inch midrange drivers at the center dash position between the 2008 and 2009 model years reflects a dimensional change in the factory speaker opening or mounting hardware for the Audi A4 Quattro.
- A centrally mounted midrange driver benefits stereo imaging by anchoring the mid-frequency soundstage to the middle of the front cabin, reinforcing the phantom center channel across the listening area.