1989 Audi 100 Speaker Sizes
The 1989 Audi 100 factory audio system features a dashboard location that accepts 4 inch speakers, and the rear deck lid accommodates a 6.5 inch speaker size. Midrange, midbass, and full-range units function as standard replacement and upgrade options for the vehicle.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4 | Midrange |
|
| Rear Deck Lid | 6.5 | Midbass / Full-Range |
|
1989 Audi 100 Speaker Replacement Summary
2
total positions
1
easy to replace
0
high priority
0
professional only
Replacement difficulty:
Low: 1 Medium: 1 High: 0Replacement priority:
High: 0 Medium: 2 Low: 01989 Audi 100 Radio Slot Size (DIN)
| DIN Type | Size (inch) | Size (mm) | Notes |
|---|---|---|---|
| Single DIN | 7"×2" | 180×50 | Standard size for basic car radios with small display or no display |
- Always measure the slot before purchasing a new radio
- Check slot depth - it may vary
Additional Notes
- The 1989 Audi 100 front dashboard positions accommodate 4-inch midrange speakers, which typically handle vocal frequencies and instrumental mid-tones rather than deep bass or extreme high frequencies.
- Rear deck lid locations support 6.5-inch speakers with compatibility for both midbass and full-range driver types, offering flexibility in audio configuration based on listening preferences.
- Replacing dashboard speakers may present installation challenges due to the 4-inch form factor limitation, which restricts available aftermarket options compared to more common 3.5-inch or 5.25-inch sizes.
- The midrange-only classification for dashboard speakers suggests these locations likely work in conjunction with factory tweeters or other components to reproduce the complete frequency spectrum.
- Rear deck lid speakers could benefit from midbass-focused replacements if door-mounted woofers or subwoofers handle low-frequency reproduction elsewhere in the audio system.
- Full-range speakers in the rear deck positions would need to reproduce bass, midrange, and treble frequencies without additional component support, which may compromise clarity in certain frequency ranges.
- The single DIN radio opening provides standard aftermarket head unit compatibility, potentially enabling amplified outputs or signal processing capabilities that factory speakers may not fully utilize.
- Upgrading rear speakers to higher-sensitivity models could improve output volume without requiring additional amplification, given that factory power ratings tend to be conservative.