1990 Toyota Supra Speaker Sizes
The 1990 Toyota Supra factory audio system includes specific mounting areas, where front door panel, rear deck lid, and rear side panel locations accommodate 4 inch speakers. Compatible types for an audio replacement upgrade consist of midrange units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Front Door Panel | 4 | Midrange |
|
| Rear Deck Lid | 4 | Midrange |
|
| Rear Side Panel | 4 | Midrange |
|
1990 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: 11990 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 1990 Toyota Supra utilizes a uniform 4 inch speaker configuration across all factory mounting locations, including front door panels, rear deck lid, and rear side panels.
- All speaker positions in this vehicle accommodate midrange drivers rather than full-range or coaxial speakers, suggesting the factory audio system was designed with frequency-specific component separation in mind.
- The consistent 4 inch sizing throughout the 1990 Toyota Supra may limit bass response capabilities, as smaller diameter speakers typically have reduced low-frequency extension compared to larger drivers.
- Upgrading to aftermarket 4 inch midrange speakers with higher sensitivity ratings could provide noticeable improvements in vocal clarity and instrumental detail within the midrange frequency spectrum.
- The presence of multiple midrange locations might indicate that the factory system relied on subwoofer integration or door-mounted woofers to handle lower frequencies, though this would depend on the specific trim level and optional equipment.
- Both single DIN and double DIN radio compatibility offers flexibility for head unit upgrades, potentially enabling enhanced signal processing and equalization to better drive replacement midrange speakers.
- When considering speaker replacement, prioritizing the front door panel location would likely yield the most perceivable improvement in sound quality due to proximity to the listening position.
- The midrange-specific designation suggests that installing full-range coaxial speakers might not optimize the existing system architecture, as crossover points may have been tailored for dedicated midrange reproduction.