GMC Terrain Rear Side Panel Speaker Size
The GMC Terrain rear side panel location accommodates an 8 inch speaker size, consistent across all available model years. Compatible types for the rear side panel include the woofer configuration. These specifications cover the 2016 to 2017 model range.
| Year | Type | Size (inch) |
|---|---|---|
| 2017 | Woofer | 8 |
| 2016 | Woofer | 8 |
Speaker Types
| Type | Description |
|---|---|
| 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. |
Additional Notes
- The rear side panel location in the GMC Terrain positions speakers within the interior cabin walls toward the back of the passenger compartment, a placement that typically distances the driver from direct sound projection but supports a wider, more enveloping soundstage.
- An 8-inch driver installed in a rear side panel occupies a relatively large footprint for an interior cabin wall, requiring adequate depth and baffle area within the panel cavity to accommodate both the cone excursion and the mounting flange.
- The 8-inch diameter of the specified driver allows for greater cone surface area compared to smaller mid-range sizes, which translates to increased air displacement and stronger low-frequency output from the rear side panel position.
- A woofer is a speaker type dedicated to reproducing low-frequency audio content, generally covering a range from approximately 40 Hz to 500 Hz, depending on the specific driver and crossover configuration used.
- The GMC Terrain rear side panel's woofer-only compatibility for the 2016 and 2017 model years indicates the location is acoustically and structurally suited to bass-focused reproduction rather than full-range or high-frequency output.
- Woofers rely on cone excursion to move sufficient air volume for low-frequency reproduction, and the rear side panel enclosure characteristics of the GMC Terrain directly influence the back-wave behavior and bass response of the 8-inch driver.
- At a rear side panel location, a woofer contributes primarily to the low-frequency foundation of the audio system, as high-frequency directional content from such a rearward position would have limited spatial contribution to front-seated listeners.
- The mounting depth available within the GMC Terrain rear side panel must accommodate the motor assembly and basket depth of an 8-inch woofer, which typically demands more clearance than smaller diameter alternatives due to the longer voice coil travel required for low-frequency excursion.