Installation of the Subwoofer
Image Dynamics IDQ V.3 D4 12"

The sub is located behind the rear set.  It is setup to fire between the armrest of the rear seat.
The box is made of 3/4" MDF and is .88 cubes, the recommended enclosure for the IDQ.
The box is wrapped in white headliner and the outskirts of the box is highlighted in black.