1991 Porsche 944 Speaker Sizes

The 1991 Porsche 944 factory audio system features front door panel and rear door panel locations that accommodate 4x6 inch units. Full-range drivers serve as the compatible replacement and upgrade types for the aforementioned speaker size of 4x6 inch.

Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.

Speaker Details by Location
Location Size Type Notes
Front Door Panel 4x6 Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Door Panel 4x6 Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

1991 Porsche 944 Speaker Replacement Summary

2 total positions
2 easy to replace
1 high priority
0 professional only

Replacement difficulty:

Low: 2 Medium: 0 High: 0

Replacement priority:

High: 1 Medium: 1 Low: 0

1991 Porsche 944 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 1991 Porsche 944 features identical 4x6 inch full-range speaker configurations in both front and rear door panels, suggesting a straightforward replacement approach without need for separate component systems.
  • Full-range speakers in the 4x6 inch size typically handle all frequencies through a single driver, which may limit separation between highs and lows compared to component setups with dedicated tweeters.
  • The 4x6 inch rectangular form factor generally provides more cone area than a comparable 4-inch round speaker, potentially offering improved mid-bass response within the door panel constraints.
  • Door panel speakers tend to be primary sound sources in this configuration, making their replacement a higher priority than rear fill speakers for notable audio quality improvements.
  • Single DIN radio specification indicates standard head unit depth, which generally allows for modern aftermarket receiver integration without dashboard modifications.
  • Upgrading all four door panel speakers simultaneously could provide more balanced sound staging throughout the cabin, though front speakers typically contribute more to the listening experience from the driver position.
  • The full-range designation means replacement speakers should incorporate woofer and tweeter elements in a coaxial design to maintain frequency coverage without additional installation complexity.