2009 Acura TL Speaker Sizes
The 2009 Acura TL factory audio system includes specific mounting areas where the a-pillar accepts a 1.5 inch speaker size, while the dashboard accommodates 3.5 inch units. Front door panel and rear deck lid locations accept 6.5 inch speakers, and the rear deck lid also accommodates an 8 inch unit. Compatible speaker types for a replacement or upgrade consist of tweeters, midbass, full-range, and woofers.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1.5 | Tweeter |
|
| Dashboard | 3.5 | Full-Range |
|
| Front Door Panel | 6.5 | Midbass / Full-Range |
|
| Rear Deck Lid | 8 | Woofer |
|
| Rear Deck Lid | 6.5 | Midbass / Full-Range |
|
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: 1Replacement priority:
High: 1 Medium: 3 Low: 12009 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.