I agree with you completly I ave played both micro and 3x and no compairson the micro keys are very small if you play octive in left hand you will be playing 9ths the sound in the micro very good midi file player not too good no score mode , and yamaha files will not track well at all so thumbs down on that as a tone generator thumbs up playing styles with this small keybed nit good as well. it is a good little guy but not for the pro guy.
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Genos, PSR S970, Fender Tele Amercian Deluxe Cherry sunburst , Cubase Pro 8 ,Yamaha A3M Acoustric ,Taylor 814, Ibenez Artcore Custom Tascam DP 32 Yamaha DXR 10, QSC K-12, K 12 Sub K 8 Sinn 945
2 Fender Expo line units .