The Mazda 5 rear door panel accommodates a 6x9 inch speaker size, with all listed configurations supporting 6x9 inch units. Full-range speakers represent the compatible audio type for the rear door panel location. These specifications cover the 2006 to 2010 system years.
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 rear door panel location in the Mazda 5 accommodates a 6x9 inch speaker footprint across the model years listed in the specifications.
A 6x9 inch driver has a larger cone surface area than a round 6.5 inch speaker, which translates to greater air displacement and the capacity to reproduce lower bass frequencies without a dedicated subwoofer.
The rear door panel is a cavity-backed mounting environment, meaning the door's internal void acts as an enclosure that influences the low-frequency response of any driver installed there.
Door panel installations place the speaker at a low, angled position relative to the listening area, which affects the directional dispersion of mid and high frequencies toward the cabin's occupants.
The Mazda 5 rear door panel's 6x9 inch opening requires attention to mounting depth, as door panel cavities can have limited clearance behind the speaker basket due to window mechanisms and structural bracing.
Full-range is the only compatible speaker type listed for the Mazda 5 rear door panel, meaning a single driver in the 6x9 inch opening handles the full audible spectrum from low bass through high treble.
A full-range speaker in a 6x9 inch format typically incorporates a woofer cone for low and mid frequencies alongside a small integrated tweeter or whizzer cone to extend high-frequency reproduction.
Placing a full-range driver in the rear door panel positions the low-frequency output near the vehicle's floor level, where bass frequencies are less directional and can reinforce the overall low-end presence in the cabin.
The 6x9 inch oval format requires an oval cutout and mounting template, which differs from round speaker installations and must align precisely with the existing aperture in the Mazda 5 rear door panel.