1987 Volkswagen Jetta Speaker Sizes
The 1987 Volkswagen Jetta factory audio system features specific location allocations. Dashboard, rear deck lid, and rear door panel locations accommodate 4 inch speakers. Midrange constitutes the compatible speaker types for a replacement upgrade.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| 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.