Chevrolet Sonic Rear Door Panel Speaker Size
The Chevrolet Sonic rear door panel accommodates a 6.5 inch speaker size across all listed model years. Compatible speaker types for the location include midbass and full-range units. The specifications cover a range of 2012 to 2020.
| Year | Type | Size (inch) |
|---|---|---|
| 2020 | Midbass / Full-Range | 6.5 |
| 2019 | Midbass / Full-Range | 6.5 |
| 2018 | Midbass / Full-Range | 6.5 |
| 2017 | Midbass / Full-Range | 6.5 |
| 2016 | Midbass / Full-Range | 6.5 |
| 2015 | Midbass / Full-Range | 6.5 |
| 2014 | Midbass / Full-Range | 6.5 |
| 2013 | Midbass / Full-Range | 6.5 |
| 2012 | Midbass / Full-Range | 6.5 |
Speaker Types
| Type | Description |
|---|---|
| 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. |
| 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 Chevrolet Sonic rear door panel accommodates a 6.5 inch speaker opening across all listed model years from 2012 through 2020.
- A 6.5 inch driver carries a cone diameter large enough to move sufficient air for reproducing lower midrange and upper bass frequencies, typically covering a range from roughly 60 Hz to 5 kHz depending on the driver's construction.
- The rear door panel location places speakers within the lower portion of the cabin side walls, a position that couples well with seat and floor surfaces to reinforce bass and lower midrange energy within the passenger compartment.
- Door panel mounting orients the speaker baffle perpendicular to the floor and angled away from the primary listening position, which affects the directional behavior of higher-frequency content reproduced by a full-range driver in that location.
- The midbass type is a driver designed specifically to handle the bass and lower midrange bands, generally operating below 500 Hz, and in a rear door location functions as a dedicated low-frequency source that is often crossed over to a separate tweeter or midrange driver elsewhere in the vehicle.
- A full-range driver in the Chevrolet Sonic rear door panel is intended to reproduce the entire audible spectrum from a single cone, which allows the location to operate without requiring additional speaker positions for midrange or treble reproduction.
- The 6.5 inch cone diameter in a rear door panel installation provides the physical surface area associated with adequate bass output in an acoustically enclosed door cavity, where the internal door volume acts as a partial enclosure behind the cone.
- Door panel cavities in compact vehicles like the Sonic typically present limited internal volume behind the speaker, which influences the low-frequency extension a midbass or full-range driver can achieve in that mounting position.
- The compatibility of both midbass and full-range types with the rear door panel opening indicates the 6.5 inch cutout geometry supports either driver topology without requiring modification to the mounting surface.
- Because a rear door panel location sits behind and below the seated passenger's ear level, high-frequency dispersion from a full-range driver in that position tends to be more diffuse and less directional than a driver mounted at or above ear height.