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Does the factory head unit have all pass filters or time alignment?

BigHead

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Sep 1, 2021
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Location
Maryland
Vehicles
2021 F-150 STX SuperCab 4x4
I know that front left and front right are full range output. But does anyone know if there is factory all-pass filters or time alignment? If so can they be defeated through ForScan?

Also, what processing or filtration is on the rear speaker channels? Can these be modified in ForScan to become full range like the front channels?

Appreciate any info in advance.

Edit: my truck is an STX with base audio, but has the Sync 4 Option on the window sticker under optional equipment, if that matters. Truck doesn't have a center speaker up on the dash, it's just a little storage tray.
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