Impact Mounts Universal Satellite Speaker Mounts / Brackets for Walls and Ceilings for Bose and More (4 Pack, Black) This adjustable speaker wall/ceiling mounts are suitable for satellite speakers up to 3.5kg/7.7lbs. It is an ideal mounting solution for speakers with dual threaded inserts spacing form 52.5mm to 67.5mm. When fully stretched, it puts speakers 142mm from the wall/ ceiling to give large space for easier installation and adjustment.. 90 adjustment and 360 rotation at three joints fir maximum placement flexibility Material: ABS Plastic. Universal design will fit most speaker brands, Includes installation hardware