Also, pick speakers appropriate for your receiver or amp. If you have a 100 watt amp, you do not have to get speakers rated for 200 watts or more. A good rule of thumb is mulltiply your amp's power by 1.5. So for a receiver rated 100 watts a 150 watt speaker set will due. Also, you will probably want speakers that fit in with the decor of your room.
Many speakers come in different wood grains or colors.
Left and Right Front Speakers Since these speakers carry the primary channels most of the music and sound effects will come from them. They must have a wide frequency range and a smooth response. These are the same characteristics found in most mid to high range stereo speakers. If the speaker is to be placed next to the TV or VCR be sure they are magnetically shielded. There will usually be at least three speakers in a cabinet for your front speakers, the Woofer for low end, Tweeter for the highs and the Mid-Range.