2008 Audi RS4 Speaker Sizes
The 2008 Audi RS4 speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations in front door panels and rear door panels, along with details about component and coaxial speaker configurations available for each position within the audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Door Panel | 6.5 | Midbass / Full-Range |
|
2008 Audi RS4 Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 02008 Audi RS4 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN or Double DIN | 7"×2" or 7"×4" | 180×50 or 180×100 | Vehicle supports both radio sizes |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 2008 Audi RS4 utilizes 6.5 inch speakers in both front and rear door panels, maintaining consistency in driver size throughout the door positions. These locations accept either midbass drivers or full-range speakers, providing flexibility in component selection based on whether a separate tweeter network is planned or if a single full-range solution is preferred.
- Midbass drivers typically handle frequencies from approximately 80-5000 Hz and require separate tweeters to reproduce high frequencies, while full-range speakers attempt to cover a broader spectrum from a single cone assembly. The choice between these types often depends on the desired sound staging and whether the factory tweeter locations will be retained or replaced.
- Upgrading door panel speakers in the 2008 Audi RS4 may provide enhanced midrange clarity and vocal reproduction compared to factory units, particularly if higher sensitivity rated aftermarket options are selected. Power handling capabilities and excursion limits vary significantly between aftermarket models, so matching amplifier output to speaker specifications remains relevant for preventing distortion or damage.
- The Single DIN and Double DIN radio compatibility indicates that the head unit opening accepts both standard height (2 inches) and double height (4 inches) aftermarket receivers, though installation may require dash kit adapters to maintain proper fit and finish. This flexibility allows for integration of navigation units, larger touchscreen displays, or advanced digital media receivers.
- Component speaker systems with separate woofers and tweeters generally provide superior imaging and frequency separation compared to full-range coaxial designs, though installation complexity increases when custom tweeter mounting is required. The door panel speaker openings handle the woofer portion of such systems when component separation is the chosen approach.