Ford Flex Rear Side Panel Speaker Size
The Ford Flex rear side panel accommodates an 8 inch speaker size across all listed model years. Compatible audio units for the location include woofer replacement types within the system. These specifications cover the 2009 to 2019 chart of model years.
| Year | Type | Size (inch) |
|---|---|---|
| 2019 | Woofer | 8 |
| 2018 | Woofer | 8 |
| 2017 | Woofer | 8 |
| 2016 | Woofer | 8 |
| 2015 | Woofer | 8 |
| 2014 | Woofer | 8 |
| 2013 | Woofer | 8 |
| 2012 | Woofer | 8 |
| 2011 | Woofer | 8 |
| 2010 | Woofer | 8 |
| 2009 | 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 Ford Flex rear side panel location accepts an 8-inch speaker across all model years listed in the specifications.
- The rear side panel is a structural cavity position built into the interior wall of the vehicle's rearmost passenger area, placing the speaker at a low and laterally offset mounting point relative to the cabin.
- A mounting position at the rear side panel typically places the speaker behind or beside the rearmost seating row, directing acoustic output toward the center of the cabin rather than toward a forward-facing listener axis.
- An 8-inch diameter driver has a relatively large cone surface area, which increases the volume of air the speaker can move and supports reproduction of lower frequencies with greater efficiency than smaller driver sizes.
- The Ford Flex rear side panel's 8-inch woofer mounting position is dimensionally sized to house a driver that would be physically too large for a standard door or dash location, indicating a dedicated low-frequency cavity within the panel structure.
- A woofer is a speaker type engineered specifically to reproduce low-frequency content, generally covering a range from approximately 40 Hz to 500 Hz, though exact crossover points vary by system design.
- The woofer designation for the Ford Flex rear side panel position means the driver at that location is not intended to handle full-range audio reproduction, functioning instead as a dedicated bass-range component within a multi-speaker system.
- At a rear side panel mounting location, a woofer's low-frequency output is less affected by directional placement than a midrange or tweeter would be, since bass frequencies below several hundred Hz radiate with relatively low directional dependence.
- The physical depth and enclosure volume of a rear side panel cavity are relevant to woofer performance, as an 8-inch cone requires adequate rear volume to achieve controlled excursion and avoid resonance distortion at lower frequencies.
- Because woofers are assigned to the rear side panel position across all listed model years of the Ford Flex, the acoustic design of the cabin relies on that location specifically for low-frequency support rather than spatial imaging or high-frequency detail.