This is the driver set ready for installation. Note
the acoustic foam surrounding the main driver
motor.
This will control deflections behind the driver by
absorbing reflected waves aft of it. This is a trial basis,
as this application will need to be tested for confirmation
of it's effectiveness.
It may have to be trimmed around the sides,
as this fills in a good portion of the area behind the
driver. If this proves to be excessive, it will be easy
to remove the driver for trimming if found necessary.