2019 Buick LaCrosse Speaker Sizes
The 2019 Buick LaCrosse factory audio system features an a-pillar location that accommodates a 1 inch speaker size, while the center dash and rear deck lid accommodate 3.5 inch speakers, and the front door panel and rear door panel support 6.75 inch units, plus the rear deck lid accepts 6x9 inch units. Compatible speaker types for a system replacement and upgrade consist of tweeters, midbass, and full-range units.
Specific details regarding locations, speaker sizes, and types are outlined in the compatibility chart.
| Location | Size | Type | Notes |
|---|---|---|---|
| A-Pillar | 1 | Tweeter |
|
| Center Dash | 3.5 | Full-Range |
|
| Front Door Panel | 6.75 | Midbass / Full-Range |
|
| Rear Deck Lid | 3.5 | Full-Range |
|
| Rear Deck Lid | 6x9 | Full-Range |
|
| Rear Door Panel | 6.75 | Midbass / Full-Range |
|
2019 Buick LaCrosse Speaker Replacement Summary
6
total positions
4
easy to replace
1
high priority
1
professional only
Replacement difficulty:
Low: 4 Medium: 1 High: 1Replacement priority:
High: 1 Medium: 4 Low: 1Additional Notes
- The A-pillar tweeters in the 2019 Buick LaCrosse may handle high-frequency reproduction, potentially creating opportunities for upgrading the upper range of the audio spectrum with aftermarket 1-inch units designed for improved clarity and detail in treble frequencies.
- The 3.5-inch speakers located in both the center dash and rear deck lid positions could serve full-range duties, though their smaller cone area might limit low-frequency output compared to larger drivers in the same system.
- Front and rear door panels accommodate 6.75-inch speakers that can function as either midbass drivers or full-range units, suggesting these locations may represent the primary sound stage for mid-range frequencies and some bass response.
- The dual speaker configuration in the rear deck lid, featuring both 3.5-inch and 6x9-inch full-range drivers, could indicate a factory setup designed to distribute sound throughout the rear cabin area with different frequency emphasis from each size.
- The 6x9-inch rear deck speakers typically offer greater surface area than round drivers, potentially providing enhanced bass output and overall sound pressure levels compared to the smaller full-range units elsewhere in the system.
- Replacement priority might favor the door panel speakers first, as these 6.75-inch locations generally contribute most directly to the listener's sound field and offer midbass capability that smaller dashboard and deck speakers may not replicate.
- Component speaker systems could potentially utilize the existing A-pillar tweeter locations in combination with upgraded door midbass drivers, creating a separated frequency setup that may improve sound staging and imaging characteristics.