Acura TLX Rear Deck Center Speaker Size
The Acura TLX rear deck center location accommodates an 8 inch speaker size. Subwoofer units represent the compatible audio system replacement type. These specifications cover the 2018 model year.
| Year | Type | Size (inch) |
|---|---|---|
| 2018 | Subwoofer | 8 |
Speaker Types
| Type | Description |
|---|---|
| Subwoofer | A large driver for the lowest bass notes, typically from about 20 Hz to 120 Hz. It is usually installed in a separate enclosure and works alongside the other speakers. |
Additional Notes
- The rear deck center position in the 2018 Acura TLX accommodates an 8-inch driver mounting configuration.
- An 8-inch speaker requires a correspondingly deep and wide mounting cavity, as the cone excursion and basket depth of a driver at that diameter demand more physical clearance than smaller mid-range formats.
- The rear deck surface of a sedan functions as a horizontal baffle, and a center-mounted position along that surface places the driver facing upward toward the rear glass, which affects how low-frequency energy disperses into the cabin.
- The 2018 Acura TLX rear deck center mounting is specified exclusively for a subwoofer type, meaning the cutout and cavity are dimensioned to support a driver optimized for bass reproduction rather than full-range or tweeter applications.
- Subwoofers are electro-acoustic transducers designed to reproduce low-frequency content, generally operating in the range below approximately 200 Hz, where wavelengths are long enough to be largely non-directional.
- The non-directional nature of low-frequency sound at subwoofer operating ranges means the rear deck center position does not require precise stereo placement the way a mid-range or high-frequency driver would.
- An 8-inch subwoofer at the rear deck center position relies on the structural mass and rigidity of the deck itself to act as a mounting baffle, which influences the efficiency and resonant behavior of the driver's low-frequency output.
- The rear glass angle in a sedan such as the TLX creates a reflective surface directly above a rear deck-mounted subwoofer, which affects how bass frequencies propagate forward through the cabin interior.