For office desktop I would go powered speakers to clean up the area, less wires as well. What are you using for a source? Some like these Fluance can connect to your computer with USB.
https://www.fluance.com/powered-2-0-bluetooth-active-6-inch-bookshelf-speakers-white-walnut#!prettyP...
https://www.fluance.com/powered-2-0-bluetooth-active-6-inch-bookshelf-speakers-white-walnut#!prettyP...