TVs have gotten flatter and flatter, and that’s great for the way one fits in your living room, but unfortunately thinner TVs mean smaller speakers, too. TV sound just doesn’t pack the punch that most people want it to have, especially if it’s broadcasting a big, epic movie or TV show. They look great, and they should sound just as great, right? Sound bars are generally the simplest and most-affordable way to level-up your TV’s sound. Here are three things to know when you’re looking for one.