The Jeep Comanche rear door panel accommodates a 4x6 inch speaker size across all listed model years. Full-range units represent the compatible audio system type for the location. The specifications cover the years 1986 through 1992.
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 Jeep Comanche rear door panel speaker location refers to a mounting position integrated into the interior door panel at the rear of the cabin, a placement that positions the driver within a relatively enclosed acoustic boundary between the door surface and the passenger compartment.
Door panel installations typically involve a shallow mounting depth, as the cavity behind a door panel must accommodate window mechanisms, wiring, and structural reinforcement alongside the speaker basket.
The 4x6 inch oval format is a non-circular speaker dimension in which the longer axis spans 6 inches and the shorter axis spans 4 inches, producing a cone surface area smaller than a standard 5.25 inch round speaker but shaped to fit constrained rectangular or oval cutouts common in automotive door panels.
The oval geometry of a 4x6 inch driver allows manufacturers to maximize cone area within a horizontally or vertically restricted mounting space, which is a practical consequence of door panel engineering in compact and mid-size trucks of the Comanche's era.
In the Jeep Comanche rear door panel, the 4x6 inch speaker footprint requires a mounting cutout and bolt pattern specific to that oval dimension, making physical fitment dependent on matching both the outer frame size and the depth clearance available within the door cavity.
Full-range is a speaker type designed to reproduce low, mid, and high frequencies from a single driver unit, covering an approximate frequency span from around 80 Hz to 20 kHz without the assistance of a dedicated crossover network or separate tweeter.
A full-range driver at the rear door panel position handles the entire audible spectrum from that location, meaning bass frequencies generated by the 4x6 inch cone reflect off the door surface and interior panels before reaching the listener's ears.
The 4x6 inch cone area, while larger than a 3.5 inch round driver, is limited in low-frequency extension by its relatively modest radiating surface, which places practical bass reproduction in the upper bass range rather than deep sub-bass when used as a full-range unit in a door panel enclosure.
Full-range drivers in rear door panel locations produce a diffuse high-frequency contribution from behind and beside the listener, since the tweeter element within the full-range cone is not aimed directly at ear level from a rear door position in a standard truck cab configuration.
The rear door panel mounting surface in a truck-based vehicle like the Comanche is often angled or recessed relative to the passenger seating position, influencing the directional dispersion of mid and high frequencies produced by the full-range driver at that location.