1991 Audi 80 Speaker Sizes

The 1991 Audi 80 speaker size chart provides factory specifications and locations for audio system components. Information covers dashboard and rear deck lid positions. Data includes OEM speaker sizes to assist with aftermarket replacement or upgrade projects. Specifications apply to factory-installed audio configurations for this model year.

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Speaker Details by Location
Location Size Type Notes
Dashboard 4 Midrange
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Rear Deck Lid 6.5 Midbass / Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

1991 Audi 80 Speaker Replacement Summary

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

Replacement difficulty:

Low: 1 Medium: 1 High: 0

Replacement priority:

High: 0 Medium: 2 Low: 0

1991 Audi 80 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 Audi 80 front speaker positions accept 4 inch midrange drivers, suggesting a factory configuration where dedicated midrange frequencies handle the dashboard output while lower frequencies route elsewhere in the audio system.
  • Rear deck lid locations accommodate 6.5 inch speakers with compatibility extending to both midbass and full-range types, providing flexibility in system design based on whether the front dashboard speakers remain active or undergo replacement.
  • The single DIN radio opening may influence upgrade planning, as aftermarket head units matching this standard could provide enhanced signal processing for replacement speakers without requiring dash modification.
  • Dashboard speaker replacement likely takes priority when addressing midrange clarity, as these 4 inch units typically reproduce vocal and instrumental frequencies that often deteriorate first in aging factory systems.
  • The rear 6.5 inch positions could function as primary bass sources when paired with full-range speakers, though selecting midbass-specific drivers might prove advantageous if the dashboard midrange speakers receive upgrade attention.
  • Sound improvement in the 1991 Audi 80 could follow a staged approach, with initial replacement focusing on either the dashboard midrange for vocal clarity or the rear deck for bass foundation, depending on which frequency range shows greater degradation.
  • The combination of 4 inch midrange and 6.5 inch rear speakers indicates a two-way system design, where frequency distribution between front and rear positions may require consideration during component selection to maintain tonal balance.