2009 Acura TL Speaker Sizes

The 2009 Acura TL speaker size chart lists factory speaker locations and aftermarket replacement specifications. Information covers locations including a-pillar, dashboard, front door panel, and rear deck lid. Data assists in identifying compatible upgrade options for the audio system without removing factory components to verify specifications.

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Speaker Details by Location
Location Size Type Notes
A-Pillar 1.5 Tweeter
  • Requires panel disassembly
  • Professional installation recommended
  • Low replacement priority
  • Replacement difficulty: high
Dashboard 3.5 Full-Range
  • Requires panel disassembly
  • Medium replacement priority
  • Replacement difficulty: medium
Front Door Panel 6.5 Midbass / Full-Range
  • Standard installation
  • High replacement priority
  • Replacement difficulty: low
Rear Deck Lid 8 Woofer
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low
Rear Deck Lid 6.5 Midbass / Full-Range
  • Access through trunk
  • Medium replacement priority
  • Replacement difficulty: low

2009 Acura TL Speaker Replacement Summary

5 total positions
3 easy to replace
1 high priority
1 professional only

Replacement difficulty:

Low: 3 Medium: 1 High: 1

Replacement priority:

High: 1 Medium: 3 Low: 1

2009 Acura TL 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 A-pillar locations in the 2009 Acura TL accommodate 1.5-inch tweeters, which typically handle high-frequency audio reproduction and may contribute to improved stereo imaging when replaced with aftermarket components designed for enhanced clarity in the upper frequency range.
  • Dashboard positions feature 3.5-inch full-range speakers that handle a broader frequency spectrum compared to dedicated tweeters, though their smaller size generally limits low-frequency output and overall sound pressure levels.
  • Front door panels utilize 6.5-inch speakers that accept either midbass or full-range drivers, and these locations often represent the primary sound source in factory audio systems, making them a common first priority for aftermarket upgrades seeking noticeable sound quality improvements.
  • Rear deck lid positions include both 6.5-inch and 8-inch speaker locations, with the larger 8-inch woofers dedicated to lower frequency reproduction while the 6.5-inch units can serve either midbass or full-range functions depending on system configuration.
  • The dual speaker configuration in the rear deck of the 2009 Acura TL suggests a factory system that attempts to separate bass duties from midrange frequencies, though aftermarket component systems may redistribute these roles based on crossover design and driver selection.
  • Midbass-designated speakers typically reproduce frequencies between approximately 80Hz and 500Hz, filling the critical range between subwoofers and midrange drivers in component systems, while full-range speakers attempt to cover most of the audible spectrum within a single driver unit.
  • The availability of both Single DIN and Double DIN radio options indicates potential variations in factory head unit configurations or aftermarket installation flexibility, which may affect integration with replacement speaker systems that rely on head unit signal processing.
  • Tweeter replacement in the A-pillar locations could provide gains in high-frequency extension and detail retrieval, though proper integration with existing midbass drivers requires attention to crossover points and sensitivity matching to maintain tonal balance.