Triple Monitor Desk Mount for 13''-32'' Monitors MU3005 Dual Monitor Mount 4 extension arms are not

4 extension arms are not needed

It's compatible with Sonos

the 75x75mm /100x100mm VESA Plate can be adapted

or meeting room

and easy height adjustment along the center pole for better viewing

Triple Monitor Desk Mount for 13''-32'' Monitors MU3005 Dual Monitor Mount 4 extension arms are not<Universal Compatibility>The triple monitor mount is designed for 3 most 13 to 32 flat screen and curved computer, hold up to 17. 6 lbs, compatible with VESA standard 75x75mm and 100x100mm. It works with most monitor brands, including Acer, ASUS, Dell, Gigabyte, HP, LG, MSI, Samsung, and more. <Extra Tall VESA Mount>This monitor stand can reach a height of 31. 7". It's higher than a typical stand. The height can be adjusted easily. Give you the