1988 Oldsmobile Cutlass Supreme Speaker Sizes
The 1988 Oldsmobile Cutlass Supreme speaker size chart provides factory audio system specifications for replacement or aftermarket upgrade purposes. Information includes speaker locations in the dashboard and rear deck lid. Details cover OEM specifications to assist with identifying compatible aftermarket speakers for the factory audio system.
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| Location | Size | Type | Notes |
|---|---|---|---|
| Dashboard | 4 | Midrange |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
1988 Oldsmobile Cutlass Supreme 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: 01988 Oldsmobile Cutlass Supreme 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 dashboard locations in the 1988 Oldsmobile Cutlass Supreme may benefit from aftermarket midrange speakers, as the factory 4-inch units typically handle limited frequency ranges compared to full-range alternatives.
- The 6x9 openings on the rear deck lid could accommodate various full-range speaker designs, including coaxial and three-way configurations that incorporate separate tweeters and woofers within the same mounting footprint.
- Replacing the dashboard midrange speakers might produce subtle changes in vocal clarity and instrumental definition, though these 4-inch units would still lack the bass extension found in larger components.
- The rear deck lid position tends to allow 6x9 speakers to project sound upward and forward, potentially creating a fuller acoustic presentation than the smaller dashboard units alone.
- The single DIN radio opening indicates compatibility with numerous aftermarket head units that could provide enhanced equalization and power output to drive replacement speakers more effectively than the original equipment.
- Component speakers designed for 6x9 applications may offer separate crossover networks that distribute frequencies more precisely than integrated coaxial designs, though installation complexity increases accordingly.
- The 4-inch midrange specification suggests these dashboard speakers would likely emphasize frequencies between approximately 300 Hz and 5 kHz, leaving lower bass frequencies to the rear deck speakers.
- Upgrading the rear deck lid speakers in the 1988 Oldsmobile Cutlass Supreme could provide noticeable improvements in overall volume and bass response, as these larger units move more air than the compact dashboard components.