2018 Audi S8 Speaker Sizes
The 2018 Audi S8 factory audio system features c-pillar, dashboard, and center dash locations that accommodate 1 inch speakers. Front door panel and rear door panel locations accept 3.5 inch speakers, while front door panel and rear door panel areas also support 5.25 inch and 6.5 inch units respectively. Rear deck lid locations accept a 10 inch speaker size, alongside a 3.5 inch unit and a 2.75 inch center dash allocation. Compatible replacement and upgrade types consist of tweeters, midranges, subwoofers, full-range drivers, and midbass units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| C-Pillar | 1 | Tweeter |
|
| Center Dash | 1 | Tweeter |
|
| Center Dash | 2.75 | Midrange |
|
| Dashboard | 1 | Tweeter |
|
| Front Door Panel | 3.5 | Midrange |
|
| Front Door Panel | 5.25 | Midbass / Full-Range |
|
| Rear Deck Lid | 3.5 | Full-Range |
|
| Rear Deck Lid | 10 | Subwoofer |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 3.5 | Midrange |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2018 Audi S8 Speaker Replacement Summary
11
total positions
7
easy to replace
2
high priority
1
professional only
Replacement difficulty:
Low: 7 Medium: 3 High: 1Replacement priority:
High: 2 Medium: 8 Low: 1Additional Notes
- The 2018 Audi S8 uses a multi-driver speaker configuration with dedicated tweeters, midrange units, and bass drivers distributed across multiple locations throughout the cabin.
- Tweeters measuring 1 inch are positioned in four separate locations including the C-pillar, center dash, dashboard, and rear door panels to handle high-frequency sound reproduction.
- The front door panels contain two different speaker sizes working together, with a 3.5 inch midrange unit handling mid-frequency content and a 5.25 inch driver managing midbass and full-range output.
- Rear door panels similarly incorporate multiple speakers, featuring a 1 inch tweeter, a 3.5 inch midrange driver, and a larger 6.5 inch midbass or full-range speaker.
- A 2.75 inch midrange speaker is installed in the center dash area to provide additional mid-frequency coverage for front passengers.
- The rear deck lid houses two distinct speakers: a substantial 10 inch subwoofer for low-frequency reinforcement and a 3.5 inch full-range driver.
- Replacing the factory speakers with aftermarket options would require matching these specific sizes and considering the multi-way design where different drivers handle separate frequency ranges in the same location.
- The presence of dedicated midrange and midbass drivers suggests a component-style approach to audio design rather than relying solely on coaxial full-range speakers.
- Sound quality improvements could be achieved by upgrading the larger midbass drivers in the door panels, as these typically contribute substantially to overall audio impact and clarity in the vocal range.
- The 10 inch subwoofer in the rear deck represents the primary low-frequency transducer in the system and would be a consideration for those seeking enhanced bass response.