1991 Toyota Supra Speaker Sizes
The 1991 Toyota Supra speaker size chart provides factory audio specifications for replacement and aftermarket upgrade purposes. Information includes locations of speakers throughout the vehicle, including front door panel, rear deck lid, and rear side panel positions. Data covers factory speaker specifications and compatible aftermarket options for system audio enhancement.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 4 | Midrange |
|
| Rear Deck Lid | 4 | Midrange |
|
| Rear Side Panel | 4 | Midrange |
|
1991 Toyota Supra Speaker Replacement Summary
3
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 1 High: 0Replacement priority:
High: 1 Medium: 1 Low: 11991 Toyota Supra 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 1991 Toyota Supra features uniform 4-inch speaker locations throughout the cabin, with positions in the front door panels, rear deck lid, and rear side panels all accommodating midrange drivers of this size.
- All factory speaker locations in this configuration accept midrange-type speakers rather than full-range or coaxial units, which may suggest a factory system design that relied on separate components for different frequency ranges.
- Upgrading the 4-inch midrange speakers could potentially improve vocal clarity and mid-frequency response, though the relatively small size limits low-frequency output and overall sound pressure level capabilities.
- The consistent 4-inch sizing across all locations in the 1991 Toyota Supra simplifies replacement speaker selection, as the same aftermarket model could potentially be installed in multiple positions if desired.
- The head unit space accommodates both single DIN and double DIN receiver formats, offering flexibility for audio system upgrades beyond speaker replacement alone.
- With midrange drivers positioned in multiple locations including both front and rear areas, sound staging may benefit from balanced upgrade components that maintain consistent tonal characteristics across all positions.