Acura RLX Rear Deck Lid Speaker Size
The Acura RLX rear deck lid accommodates an 8 inch speaker size, along with 1 inch and 6.5 inch speakers. Compatible types across the location include woofers, tweeters, and midbass or full-range units. The specifications cover the 2014 to 2017 model range.
| Year | Type | Size (inch) |
|---|---|---|
| 2017 | Woofer | 8 |
| 2017 | Tweeter | 1 |
| 2017 | Midbass / Full-Range | 6.5 |
| 2016 | Woofer | 8 |
| 2016 | Tweeter | 1 |
| 2016 | Midbass / Full-Range | 6.5 |
| 2015 | Woofer | 8 |
| 2015 | Tweeter | 1 |
| 2015 | Midbass / Full-Range | 6.5 |
| 2014 | Woofer | 8 |
| 2014 | Tweeter | 1 |
| 2014 | Midbass / Full-Range | 6.5 |
Speaker Types
| Type | Description |
|---|---|
| Tweeter | A small driver built for high frequencies, typically from about 2,000 Hz to 20,000 Hz. It adds treble detail and clarity and is usually mounted near ear level or aimed at the listener. |
| Midbass | A driver tuned for upper bass and lower midrange, roughly from 80 Hz to 500 Hz. It has longer cone travel than a full-range unit, which supports stronger bass in doors and panels. |
| Woofer | A larger driver for low frequencies, typically from about 40 Hz up to 1,000 Hz. It delivers most of the bass and lower midrange in a door or panel speaker system. |
| Full-Range | A single driver that reproduces bass through treble without a separate crossover network. It is the simplest replacement option and is common in factory audio systems. |
Additional Notes
- The rear deck lid of the Acura RLX is a horizontal, flat surface positioned at the rearmost section of the passenger cabin, above the trunk. Speakers mounted in a deck lid fire upward toward the headliner and rear window, which influences both dispersion patterns and bass loading.
- The deck lid location places speakers at a significant distance from front-seat listeners, meaning low-frequency drivers in a rear deck benefit from the enclosed air volume of the trunk acting as an acoustic chamber behind the cone.
- An 8 inch woofer in a rear deck lid position takes advantage of the trunk cavity below as a passive acoustic load, allowing the driver to move air more efficiently for low-frequency reproduction without a dedicated enclosure.
- The 8 inch diameter of the woofer in the Acura RLX rear deck lid accommodates a larger cone surface area, which enables greater air displacement and deeper bass extension compared to smaller drivers in the same position.
- A woofer is a driver type dedicated to low-frequency reproduction, typically handling the 20 Hz to 500 Hz range. In a rear deck lid, a woofer reinforces bass and lower midrange content from behind the listening position.
- The 1 inch tweeter size corresponds to a small-diameter high-frequency driver. At 1 inch, the diaphragm is sized for efficient reproduction of upper frequencies, generally from around 2 kHz and above, where short wavelengths require a small radiating surface to maintain accurate dispersion.
- A tweeter mounted in the Acura RLX rear deck lid faces upward, causing high-frequency energy to reflect off the rear window glass before reaching the cabin. Glass is a highly reflective surface at high frequencies, which affects the spatial character of treble detail in the rear cabin zone.
- The 6.5 inch driver position in the rear deck lid occupies a mid-sized mounting cutout, balancing cone area with the spatial constraints typical of rear deck panels where depth clearance above the trunk can be limited.
- A midbass driver handles the frequency range roughly between 80 Hz and 500 Hz, bridging the gap between the low-end output of the 8 inch woofer and the high-frequency output of the 1 inch tweeter present in the same installation location.
- A full-range driver, as a compatible type for the 6.5 inch position, is designed to reproduce a broad spectrum of frequencies independently. In the rear deck lid context, a full-range 6.5 inch driver would cover midrange and partial bass and treble duties without requiring a crossover network.
- The presence of 3 distinct speaker positions - 8 inch, 6.5 inch, and 1 inch - in the rear deck lid indicates the location contains multiple mounting cutouts of different diameters within the same panel across all 4 model years listed in the specifications.
- The rear deck lid's upward-firing orientation means the 6.5 inch midbass or full-range driver projects midrange frequencies toward the rear window and cabin ceiling, creating an indirect sound path to front-seat passengers.