1992 Infiniti M30 Speaker Sizes
The 1992 Infiniti M30 factory audio system features a front door panel location that accommodates a 4 inch speaker size, and a rear deck lid location that supports 6x9 inch units. Compatible speaker types for a replacement or upgrade consist of midrange and full-range 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 | 6x9 | Full-Range |
|
1992 Infiniti M30 Speaker Replacement Summary
2
total positions
2
easy to replace
1
high priority
0
professional only
Replacement difficulty:
Low: 2 Medium: 0 High: 0Replacement priority:
High: 1 Medium: 1 Low: 01992 Infiniti M30 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 1992 Infiniti M30 features a two-location speaker configuration, with smaller 4-inch units positioned in the front door panels and larger 6x9-inch speakers mounted in the rear deck lid area.
- Front door panel speakers are classified as midrange drivers, suggesting they handle mid-frequency audio content rather than the full spectrum of sound frequencies.
- Rear deck lid speakers utilize full-range drivers in the 6x9-inch format, which indicates these components may reproduce low, mid, and high frequencies without requiring separate woofers or tweeters.
- The midrange-only designation for front speakers suggests that factory audio design likely relied on separate components for bass and treble reproduction, or that the rear speakers carried the burden of full-frequency output.
- Aftermarket replacement options for the front location would need to accommodate the 4-inch opening while maintaining midrange functionality, though full-range alternatives in that size could expand frequency response.
- The 6x9-inch format in the rear provides more cone surface area than the front speakers, which typically translates to greater bass output capability and overall volume potential.
- Both Single DIN and Double DIN radio chassis may fit the dash opening, offering flexibility when upgrading the head unit to modern receivers with amplified outputs that could better drive replacement speakers.
- Replacing the rear deck speakers might yield more noticeable sound quality changes given their full-range nature and larger size compared to the limited-bandwidth front midrange drivers.