Use this 400x200mm adapter to mount TV with 400x200mm VESA on mount bracket with 200 x 200mm or smaller VESA.
Full Motion TV Wall Mount for 42-90 TVs - EGLF2 - ECHOGEAR
Universal Adapter for VESA 200x200 up to 400x400 Black - Monitor Desk Mounts - TV Mounts
apter Plate 400X400 VESA Adapters Extenders Converts LCD LED TV Wall Mount for 12-42 Inch TVs and Flat Panels up to 40 Lbs, Black : Electronics
VideoSecu MLES TV Mount Adapter
Level Mount LM65PWT Motorized tilt wall mount for 34-65 LCD or plasma TVs at Crutchfield
VESA adapter kit, VESA 200 til 400
LM7S Premium LCD, LED & Plasma Slim TVs Tilt TV Wall Brackets - (23
apter Plate 400X400 VESA Adapters Extenders Converts LCD LED TV Wall Mount for 12-42 Inch TVs and Flat Panels up to 40 Lbs, Black : Electronics
400x400 VESA 300 200 100 TV LCD LED Wall Mount Bracket Plate VESA Adapter 32-55
200x100 Vesa Adapter
SANUS VLT7, Tilting Wall Mounts, TV Mounts and Stands, Products
TV Brackets - TV Accessories - TVs & Accessories - TV & Projectors