I think the lowest number is 2.1, meaning 2 stereo speakers on the 2 sides plus 1 center channel (usually a subwoofer) in the middle.
5.1 = surround with 5 speakers with 1 center channel. Buy 2.1 for listening to stereo music, and 5.1 for home theater set up. Disc player is generally not included.
$10000> can only get you mass market brands. You should audition them yourself in order to see which one best suit your taste and needs.
> think the lowest number is 2.1, meaning 2 stereo speakers on the 2 sides plus 1 center channel (usually a subwoofer) in the middle.
5.1 = surround with 5 speakers with 1 center channel.