Ford E-Series (Econoline) Side Cargo Area Doors Speaker Size
The Ford E-Series (Econoline) side cargo area doors accommodate a 6x8 inch speaker size across all listed model years. Full-range units are the compatible type for the audio system in that location. These specifications cover the 1999 to 2014 model year 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 side cargo area doors of the Ford E-Series (Econoline) serve as the designated mounting location across all listed model years, placing speakers within the large rear door panels of a van body rather than in a conventional car door or dashboard position.
A cargo door mounting position typically situates speakers at a lower height relative to passenger ear level, which affects the perceived stereo imaging and the degree to which direct sound reaches occupants in the cargo area.
The 6x8 inch oval format is the sole speaker size specified for the Ford E-Series (Econoline) side cargo area doors, a shape that fits elongated cutouts engineered into the door panel structure rather than circular mounting cavities.
The 6x8 inch oval geometry produces a larger effective cone surface area than a standard 6.5 inch round driver, which increases low-frequency displacement and output within the same mounting depth constraints found in a door panel.
An oval 6x8 inch driver's extended horizontal axis allows greater excursion surface without requiring a deeper basket, a practical consideration given the limited internal depth typically available inside a van cargo door skin.
The 6x8 inch size spans a frequency range from the upper bass region through the high-frequency range, making adequate bass reproduction possible without a separate subwoofer in installations where the cargo door is the primary or sole speaker location.
Full-range is the only compatible speaker type listed for the Ford E-Series (Econoline) side cargo area doors, meaning a single driver is responsible for reproducing low, mid, and high frequencies rather than splitting those responsibilities across separate components.
A full-range driver incorporates a cone for low and midrange reproduction alongside a whizzer cone or integrated tweeter element that extends high-frequency output, consolidating the acoustic workload into a single chassis suited to a single mounting cutout.
In a cargo door environment, a full-range driver must handle directional high-frequency content from a position that may be partially obstructed by door trim or cargo, which influences how treble energy disperses through the interior space.
The cargo area of a van body presents a substantially larger acoustic volume than a standard passenger car cabin, and a full-range 6x8 inch driver mounted in the side door must project sound into that expanded, often reflective metal-walled enclosure.