My regular listeners really noticed the Yamaha PSR-S900, mainly because the SA sounds are so much better then the sounds on the PSR-3000.
They are amazed that so much music can come out of such a neat and compact instrument.
When I switched to using two Bose L1's in stereo, I got a lot of wonderful comments, most of which centered around how full it sounded and also how it didn't sound too loud.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.