being a dinosaur who remembers the advent of "hi-fi" in the early 50's and then "stereo" a few years later, the idea of stereo was that it was superior to mono in that all the instruments in a group or orchestra came out of the same spot in mono hi-fi, but in stereo you could hear separation as in live performance. the other advantage was a perceived "depth" that gave more of a real room acoustic effect. BUT... What is the supposed advantage of stereo when you ARE actually performing live, and the audience is actually hearing the depth of the room acoustic? isn't it just an "effect" some happen to like, like reverb, etc..rather than a real improvement of the sound? after all, Bose is not expecting us to buy 2 L1's for stereo effect..they are marketing their mono system as sufficient to be best available choice. why are so many concerned with their keyboard sound having a stereo effect? And please understand, I'm not advocating one way or another, just have never worked with a sytem in stereo except onboard speakers, and just in theory, don't really get it.

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Miami Mo