Universal Wall/Ceiling Speaker Mount (Set of 2) VESA compliant100x100, 100x200, 200x200 200x400, 300x300, 300x400, 400x400 Max mounting pattern: 16.85"(w) x 16.85"(h) - 400mm(w) x 400MM(h Adjustable arm length from 3.5"(folded) to 20"(extended) 2.5 Screen leveling adjustment Integrated cable management routes cables on arms