1987 Volkswagen Jetta Speaker Sizes
The speaker size chart for the 1987 Volkswagen Jetta provides factory specifications for audio system locations in the dashboard, rear deck lid, and rear door panel. Information includes replacement speaker specifications for original equipment positions, supporting aftermarket audio system upgrades and factory speaker replacement in multiple vehicle locations.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4 | Midrange |
|
| Rear Deck Lid | 4 | Midrange |
|
| Rear Door Panel | 4 | Midrange |
|
1987 Volkswagen Jetta Speaker Replacement Summary
3
total positions
2
easy to replace
0
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 1 High: 0Replacement priority:
High: 0 Medium: 3 Low: 01987 Volkswagen Jetta 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 1987 Volkswagen Jetta uses a uniform 4-inch speaker format across all factory locations, with dashboard, rear deck lid, and rear door panel positions each accommodating this single size.
- All three speaker locations are designated for midrange drivers rather than full-range or coaxial speakers, which may indicate a frequency-specific audio system design from the factory.
- The consistent 4-inch midrange configuration throughout the vehicle could present limitations for bass response, as this speaker size typically lacks low-frequency extension compared to larger drivers.
- Upgrading to aftermarket 4-inch midrange speakers with higher sensitivity ratings and improved frequency response curves could enhance vocal clarity and instrumental detail without requiring mounting modifications.
- The rear deck lid location may offer the most potential for sound improvement when upgraded, as this position typically provides better acoustic coupling to the cabin space than door-mounted speakers.
- Installing a separate subwoofer system would likely address the low-frequency limitations inherent in the 4-inch midrange-only speaker layout, creating a more balanced full-range sound.
- The single DIN radio opening provides standard compatibility with most aftermarket head units, which could supply more power to upgraded speakers than the original equipment.
- Replacement speakers should match the 4-inch mounting size precisely, as the compact dimensions may leave minimal tolerance for oversized baskets or mounting depth in the factory locations.