The MM-018 is a pan and tilt speaker mount that supports and aims cinema surround speakers that offer the standard four-point mounting pattern of 2-3/4 X 5-inch. This mount aims and anchors surround speakers from overhead ceiling grids by way of a variety of tube extensions and adapters. Ceiling surrounds achieve up to 360 degrees of horizontal pan angle adjustments and up to 180 degrees of tilt angle adjustment.