Bose Pole Mount Bracket for DesignMax and FreeSpace

Pole Mount Bracket for DesignMax and FreeSpace: Clamps an existing DesignMax or FreeSpace tilt bracket to a 2 to 8 in pole. Compatible with DesignMax DM3SE, DM5SE, DM6SE, DM8SE and FreeSpace FS2SE, FS4SE tilt brackets.

Bose specifies it for poles 2 to 8 in (5 to 20 cm) diameter and measures 4.7 in x 4.7 in x 1.6 in (120 mm x 120 mm x 40 mm) at 2.9 lbs (1.3 kg). It ships under part numbers 889689-0100 (Pole Mount Black), 889689-0200 (Pole Mount White).