1986 Pontiac Fiero Speaker Sizes
The 1986 Pontiac Fiero speaker size chart displays factory speaker specifications and locations within the vehicle's audio system. Information covers speakers installed in the dashboard and rear door panel areas. Data includes replacement speaker sizes for those seeking aftermarket audio upgrades over factory components.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4x10 | Full-Range |
|
| Rear Door Panel | 4x6 | Full-Range |
|
1986 Pontiac Fiero 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: 01986 Pontiac Fiero 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 1986 Pontiac Fiero features dashboard speakers as the primary sound source, utilizing 4x10 inch full-range drivers that may benefit from replacement to address frequency response limitations common in aging factory units.
- Rear door panel positions house 4x6 inch full-range speakers, which provide supplementary audio coverage but often lack the bass extension and clarity found in component or coaxial aftermarket alternatives.
- Full-range speaker compatibility across both locations suggests the factory audio system was designed for simplicity rather than dedicated frequency separation, meaning upgraded units could deliver noticeable improvements in tonal balance and detail.
- The single DIN radio opening allows for head unit replacement without extensive dashboard modification, potentially enabling enhanced power output and equalization controls that complement speaker upgrades in the 1986 Pontiac Fiero.
- Replacing dashboard speakers first might yield more substantial auditory improvement given their 4x10 inch size and frontal positioning relative to occupants compared to smaller rear panel units.
- Aftermarket 4x10 inch speakers with higher sensitivity ratings and extended frequency response could compensate for power limitations if the factory radio remains in place, though increased cone area doesn't guarantee improved sound quality without proper enclosure design.