A solid sub at a reasonable volume can add rumble to film explosions and depth to kick drums, bass guitars, analog synths, orchestras, and more. The role of the subwoofer is to cover deep bass frequencies, generally below 100Hz. Stereo speakers consist of only a left and a right speaker, '2.1' refers to a pair of speakers augmented by a subwoofer, and surround sound involves between five and seven speakers plus a subwoofer. Stereo, 2.1, or Surround Sound: What's the Difference? Here are things to consider when picking the best speaker system for your computer. Even if you're on a tight budget, low-cost speakers can noticeably improve your listening experience. And that's to say nothing of the tiny built-in drivers found in most laptops. Many PCs and Macs don't come with very good speakers.
But as you've probably noticed, that music only sounds as good as the system it's playing through. Few things in life are as enjoyable as good music.