2004 Acura TL Speaker Sizes

The 2004 Acura TL factory audio system includes an a-pillar location that accommodates a 1.5 inch speaker size, while the dashboard and front door panel locations accept 3.5 inch and 6.5 inch speakers, respectively. Furthermore, the rear deck lid supports both 6.5 inch units and an 8 inch speaker size. Choosing a suitable replacement or upgrade allows installation of tweeter, full-range, midbass, and woofer units.

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

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

2004 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

2004 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 front door panel location in the 2004 Acura TL accepts 6.5 inch speakers and typically serves as the primary sound source, making this position a common starting point when considering aftermarket replacements.
  • A-pillar tweeters at 1.5 inch provide dedicated high-frequency reproduction, which may contribute to improved soundstage imaging when paired with larger midbass drivers in the doors.
  • The dashboard position accommodates 3.5 inch full-range speakers, which handle mid and high frequencies in factory configurations but may be less critical than door speakers in aftermarket upgrades.
  • Rear deck lid positions offer both 6.5 inch and 8 inch options, with the larger woofer size potentially providing enhanced low-frequency output compared to the smaller midbass or full-range units.
  • The 6.5 inch rear deck speakers in the 2004 Acura TL share the same size as the front door units, which could simplify component selection if upgrading multiple locations simultaneously.
  • Component speaker systems with separate tweeters and midbass drivers might integrate well with the existing A-pillar tweeter locations, though crossover compatibility would need consideration.
  • The 8 inch woofer position suggests the factory audio system included dedicated low-frequency reinforcement, which aftermarket subwoofers could replace or supplement depending on bass output preferences.
  • Single DIN and Double DIN radio compatibility provides flexibility for head unit upgrades, with Double DIN units offering larger touchscreen interfaces while Single DIN maintains a more traditional footprint.