Definite technology Pro mount Articulating wall brackets custom designed for use with Pro cinema systems made up of Pro monitor series loudspeakers. These professional grade ball and socket articulating wall brackets give you the flexibility you need to fit home theater into your life. Use Pro mounts to safely and securely mount front, center, or rear surround channel speakers to walls or ceilings. Rotate the joint to aim your speakers for best performance and pinpoint imaging. Easy to install, All hardware included.