How to buy PC speakers  Tired of the sad sound coming from your
computer? Buying PC speakers should be relatively painless, but
to get the most bang for your buck, you should analyze your
needs before pulling out your wallet. Options run the gamut from
super-cheap, space-saving stereo speakers that sound just okay,
to pricey, bass-infused powerhouses that deliver loud, thumping
beats. Since music lovers, movie addicts, and gamers have
different sound agendas, first we'll explore the key points
everyone should consider.  Stereo, 2.1, or Surround Sound:
What's the Difference? Understanding the lingo is an important
place to start. 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. The role of the subwoofer is to cover
deep bass frequencies, generally below 100Hz. A solid sub at a
reasonable volume can add rumble to film explosions and depth to
kick drums, bass guita