Originally posted by SemiLiveMusic:
I googled for ten minutes, still did not find answer. What does 2.1 mean? I assume THX is just a certification and doesn't really mean anything in and of itself?
What does 5.1 do that 2.1 doesn't? Five speakers instead of two?
This refers to the actual number of speakers plus the subwoofer: a 5.1 system has five individual speaker units plus a subwoofer (total of six speaker units). A 2.1 system has two speaker units plus a subwoofer (total of three speaker units). Just some shorthand to make audiophiles feel special.
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