2008 Audi S4 Speaker Sizes
The 2008 Audi S4 speaker size chart details factory audio system specifications and locations for replacement or aftermarket upgrade purposes. Available information covers six speaker positions: front door panel, rear door panel, dashboard, center dash, rear side panel, and rear deck lid. Each location lists compatible speaker specifications to assist in selecting appropriate aftermarket audio components that match factory installations.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Center Dash | 3 | Midrange |
|
| Dashboard | 3 | Full-Range |
|
| Front Door Panel | 1 | Tweeter |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 8 | Woofer |
|
| Rear Door Panel | 1 | Tweeter |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Side Panel | 5.25 | Midbass / Full-Range |
|
| Rear Side Panel | 8 | Woofer |
|
2008 Audi S4 Speaker Replacement Summary
9
total positions
5
easy to replace
2
high priority
0
professional only
Replacement difficulty:
Low: 5 Medium: 4 High: 0Replacement priority:
High: 2 Medium: 5 Low: 22008 Audi S4 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Double DIN | 7"×4" | 180×100 | Double size for modern multimedia systems with large touchscreens |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2008 Audi S4 features a multi-speaker configuration with tweeters positioned in both front and rear door panels at 1 inch, which typically handle high-frequency reproduction in the factory audio system.
- Full-range speakers in the dashboard at 3 inches may provide mid to high frequency coverage, while the center dash houses a dedicated 3-inch midrange driver that likely focuses on vocal and instrumental clarity.
- The door panels contain 6.5-inch openings compatible with midbass or full-range speakers, which could serve as primary upgrade candidates due to their larger size and potential for improved vocal range and bass response compared to smaller factory units.
- Rear side panels accommodate both 5.25-inch midbass/full-range speakers and 8-inch woofers, suggesting a dual-speaker arrangement that may handle different frequency ranges in the rear soundstage.
- The 2008 Audi S4 includes 8-inch woofer locations in both the rear deck lid and rear side panels, which generally contribute to lower frequency extension and bass output in the cabin.
- Component speaker systems with separate tweeters and midbass drivers could potentially work well given the existing tweeter locations in the door panels and the 6.5-inch midbass mounting points.
- Upgrading the 6.5-inch door speakers might yield noticeable improvements in sound quality since these positions often serve as the primary sound source for front-seat occupants in many audio systems.
- The double DIN radio opening allows for aftermarket head unit installations that may offer enhanced connectivity, amplification, or digital signal processing capabilities beyond the factory configuration.
- The variety of speaker sizes and types throughout the vehicle suggests a factory-designed sound system with frequency distribution across multiple drivers rather than relying on a few large full-range units.
- Tweeters in the 1-inch locations may benefit from aftermarket replacement if higher efficiency or extended frequency response is desired, though their small size limits low-frequency capability.