I am unable to wear headphones for longer than 20 minutes at a time, so I’d like to add a simple pair of speakers so I can enjoy games and such again without discomfort.

Monoprice’s 5″ and 8″…

~$200: Powered monitors or bookshelves and an amp?

Source: [H]ardOCP – ~0: Powered monitors or bookshelves and an amp?