Adaptive Technologies Group MM-023-BT Indoor Speaker Wall MountThis universal speaker mount supports loudspeakers with the 90 x 90mm or 100 x 100mm mounting pattern weighing up to 60 lbs., quickly attaching them to walls, ceilings, overhangs, and other structural members in either the vertical or horizontal orientation. Speakers are independently aimed and locked in almost any direction or angle through the use of independent pan and tilt adjustments. The MM 023 BTs unique support arm acts as a convenient