1994 Geo Metro Speaker Sizes
The 1994 Geo Metro factory audio system incorporates a dashboard location that accepts 4 inch speakers, and a rear door panel location that accommodates 4x6 inch units. Midrange and full-range driver units serve as functional options for audio replacement and upgrade procedures.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4 | Midrange |
|
| Rear Door Panel | 4x6 | Full-Range |
|
1994 Geo Metro 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: 01994 Geo Metro 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 dashboard speakers in the 1994 Geo Metro measure 4 inches and accommodate midrange drivers, which typically handle frequencies in the vocal and instrument range rather than providing full-spectrum sound reproduction.
- Rear door panel positions accept 4x6 inch full-range speakers, which can reproduce a wider frequency spectrum than the dashboard midrange units, potentially contributing more bass response and treble extension to the overall sound.
- The rear door speakers may be considered a higher priority for replacement than the dashboard units when seeking noticeable sound quality improvements, given their full-range capability and larger surface area for moving air.
- The 4x6 inch form factor represents an oval or rectangular configuration, which can provide more cone area than a circular 4-inch speaker while fitting within space-constrained door panel locations.
- Midrange speakers like those in the dashboard positions often benefit from being paired with separate tweeters and subwoofers in aftermarket installations, as they lack the frequency extremes that full-range designs attempt to cover.
- The single DIN radio opening in the 1994 Geo Metro provides standard mounting depth for aftermarket head units, while double DIN compatibility would allow for larger touchscreen or feature-rich receiver installations if the dash structure permits modification.
- Speaker replacement in this configuration could involve upgrading the rear full-range units first to establish a foundation for bass and treble, then addressing the dashboard midrange speakers or supplementing them with additional components.
- The 4-inch dashboard speakers occupy minimal mounting depth, which may limit the power handling and excursion capability of replacement options compared to the larger rear door speakers.