Audi A8 Quattro Speaker Size
Speaker size, type, and location chart for Audi A8 Quattro models from 1997 to 2018 production years.
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Rear Deck Lid Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2010 - 2018 | Full-Range | 3.5 |
| 2010 - 2018 | Subwoofer | 10 |
| 2004 - 2009 | Tweeter | 2 |
| 2004 - 2009 | Subwoofer | 12 |
| 1997 - 2003 | Midbass / Full-Range | 6.5 |
Front Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2010 - 2018 | Midrange | 3.5 |
| 1997 - 2018 | Midbass / Full-Range | 5.25 |
| 2000 - 2003 | Tweeter | 0.75 |
| 1997 - 1999 | Tweeter | 1 |
Rear Door Panel Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2004 - 2018 | Tweeter | 1 |
| 2010 - 2018 | Midrange | 3.5 |
| 2004 - 2018 | Midbass / Full-Range | 6.5 |
| 2000 - 2003 | Midbass / Full-Range | 5.25 |
Center Dash Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2018 | Tweeter | 1 |
| 2010 - 2018 | Midrange | 2.75 |
| 2004 - 2009 | Midrange | 3 |
Dashboard Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2010 - 2018 | Tweeter | 1 |
| 2004 - 2009 | Full-Range | 3 |
A-Pillar Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2018 | Tweeter | 1 |
C-Pillar Speaker
| Years | Type | Size (inch) |
|---|---|---|
| 2018 | Tweeter | 1 |
Audi A8 Quattro Speaker FAQ
Which speakers should I replace first in my Audi A8 Quattro for the biggest sound improvement?
Start with the 5.25 inch door speakers - they handle most of your music's frequency range and typically show the biggest improvement when upgraded. These component or coaxial drivers in your A8 Quattro's front doors work hardest during normal listening. After that, consider the subwoofer replacement. The 10 inch or 12 inch rear deck sub depending on your generation adds the low-end punch that factory units often lack.
What's the difference between coaxial and component speakers in the Audi A8 Quattro configuration?
Coaxial speakers combine multiple drivers into one unit - tweeter mounted on the woofer cone. Simpler installation, single mounting point. Component speakers separate the tweeter and woofer completely. Better sound staging since you can position tweeters optimally. Your A8 Quattro uses both types depending on location. Front doors often have component setups with separate 1 inch tweeters, while some positions use coaxial for space constraints.
Can I upgrade the small 3.5 inch speakers in my Audi A8 Quattro rear doors?
Yes, but impact might be limited since they're primarily fill speakers. The 3.5 inch full-range drivers handle midrange frequencies and some upper bass. Look for aftermarket units rated around 30-50 watts RMS with 4-ohm impedance. Frequency response around 80Hz-20kHz works well. However, your main improvement comes from the larger 6.5 inch drivers in the same doors. Those handle the heavy lifting for rear passenger audio in the A8 Quattro.
Why does my Audi A8 Quattro have so many different tweeter sizes throughout the cabin?
Different mounting locations require different tweeter sizes for optimal fit and dispersion. The 1 inch dashboard and door tweeters provide wide dispersion for the main listening area. Smaller 0.75 inch units in some front door locations fit tighter spaces while still extending high frequencies. The various tweeter positions create a more enveloping soundstage. A-pillar and C-pillar tweeters in newer A8 Quattro models add surround effects. Each size typically handles 15kHz-25kHz range but with different power handling - usually 10-25 watts RMS.
What power requirements should I consider for Audi A8 Quattro speaker upgrades?
Most factory locations handle 25-75 watts RMS depending on speaker size. The 5.25 inch and 6.5 inch drivers typically work best with 50-75 watts RMS at 4 ohms. Smaller 3.5 inch speakers usually run 25-50 watts RMS. Tweeters need 10-25 watts RMS maximum. Don't exceed these ranges significantly - your A8 Quattro's factory amplifier or aftermarket head unit needs to match appropriately. Higher power ratings give you headroom but won't necessarily make things louder if your amp can't deliver.