1999 Acura RL Speaker Sizes

The 1999 Acura RL speaker size chart provides factory specifications and locations for audio system components. Information covers front door panel, rear door panel, and rear deck lid positions. Replacement and aftermarket upgrade specifications are listed for all speaker locations within the audio system.

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Speaker Details by Location
Location Size Type Notes
Front Door Panel 2.5 Midrange
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6x9 Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Door Panel 5.25 Midbass / Full-Range
  • Standard installation
  • Medium replacement priority
  • Replacement difficulty: low

1999 Acura RL Speaker Replacement Summary

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

Replacement difficulty:

Low: 4 Medium: 0 High: 0

Replacement priority:

High: 2 Medium: 2 Low: 0

1999 Acura RL 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 1999 Acura RL factory audio system incorporates multiple speaker locations with varying sizes, suggesting a multi-driver configuration where smaller midrange units handle vocal frequencies while larger components reproduce bass and full-spectrum content.
  • Front door panels in the 1999 Acura RL contain both 2.5 inch midrange speakers and 6.5 inch midbass or full-range speakers, indicating a component-style setup that may separate frequency ranges between dedicated drivers rather than relying on single coaxial units.
  • Replacement of the 2.5 inch midrange speakers could be considered secondary to upgrading the 6.5 inch and 5.25 inch drivers, as the larger units typically contribute more substantially to overall sound output and bass response in factory audio configurations.
  • The rear door panels accommodate 5.25 inch speakers rated for midbass or full-range operation, which tends to provide balanced sound reproduction in rear seating areas when paired with appropriate aftermarket units.
  • Rear deck lid speakers using the 6x9 inch format generally offer increased cone area compared to round speakers, potentially delivering enhanced low-frequency output and higher volume capabilities in aftermarket replacements.
  • The radio mounting space accepts both single DIN and double DIN head units, providing flexibility for aftermarket receiver upgrades that might include amplification improvements or advanced signal processing to complement speaker replacements.
  • Upgrading the 6.5 inch front door speakers and 6x9 inch rear deck speakers would likely produce the most noticeable sonic improvement, as these locations typically handle the majority of audible frequency content in factory installations.
  • Component speaker systems designed for the front doors might utilize the existing 2.5 inch location for dedicated tweeters or midrange drivers, though this would require verification of mounting depth and wiring compatibility.