Ford Aerostar Speaker Size

Speaker size, type, and location chart for Ford Aerostar models from 1986 to 1997 production years.

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Dashboard Speaker

YearsTypeSize (inch)
1986 - 1997Full-Range3.5
1990 - 1991Midrange4

Rear Door Panel Speaker

YearsTypeSize (inch)
1986 - 1989Midrange3.5
1986 - 1989Full-Range6x9

Rear Side Panel Speaker

YearsTypeSize (inch)
1990 - 1997Full-Range6x9

Tail Gate Speaker

YearsTypeSize (inch)
1990 - 1997Full-Range3.5

Front Door Panel Speaker

YearsTypeSize (inch)
1990 - 1991Full-Range6x9

Ford Aerostar Speaker FAQ

Which speakers should I replace first in my Ford Aerostar for the biggest sound improvement?

Start with the 6 x 9 inch speakers in the rear side panels. These handle most of your mid-range and bass frequencies - around 40Hz to 4kHz typically. The larger cone area means more air movement, more impact. Dashboard 3.5 inch speakers are secondary since they mostly cover highs above 2kHz. You'll notice the difference immediately with quality 6 x 9s rated around 50-75 watts RMS at 4 ohms.

Can I install component speakers in my Ford Aerostar's rear door panels?

Yes, but only certain model variations support this. The rear door panels accommodate both coaxial and component configurations in 6 x 9 inch size. Component systems separate the tweeter from the woofer - tweeter goes in the dashboard or A-pillar, woofer stays in the door. This gives you better imaging since high frequencies come from ear level rather than down low. Crossover networks usually mount behind the door panel.

Why does my Ford Aerostar have different dashboard speaker sizes depending on the model?

Ford changed the dashboard design partway through production. Earlier models used 3.5 inch speakers, then switched to 4 inch for better frequency response. The 4 inch drivers can reproduce lower mids more effectively - maybe down to 80Hz versus 120Hz for the smaller ones. Power handling increases too, typically from 15-20 watts to 25-30 watts RMS. Both mount in similar locations but require different mounting brackets.

What's the advantage of the tail gate speakers in my Ford Aerostar?

Tail gate speakers fill in rear coverage when the main doors are open. They're 3.5 inch full-range types, probably handling 200Hz to 18kHz or so. Not much bass output but they keep music playing during tailgating or loading cargo. Most aftermarket replacements in this size manage 20-25 watts RMS. The mounting depth is usually limited - check for clearance behind the panel before buying deeper speakers.

Should I upgrade from coaxial to component speakers in my Ford Aerostar?

Component speakers offer better sound staging if your Ford Aerostar supports them in the 6 x 9 inch locations. The separate tweeter placement improves imaging - highs come from dashboard level instead of door level. Crossover networks typically handle frequencies around 3kHz and up to the tweeter. However, installation complexity increases significantly. You'll need to run tweeter wires and find mounting spots. Coaxial upgrades might give you 80% of the improvement with half the work.