dBTechnologies DSA 4 Pole Mount Adapter for DVA T4, T8 and K5

The DSA-4 pole mount adapter holds up to three DVA T4, T8 or K5 modules on a single pole. A set screw adjusts tilt continuously instead of in fixed steps, and a scale on the side of the adapter reads out the angle you have set.

dBTechnologies lists it against DVA K5, DVA T4, DVA T8. dBTechnologies catalogues it under installation as part number DSA 4.