Contrary to the previous speaker, I am absolutely satisfied with the product !!!!! After an ultra-fast delivery (1 day), which came AKAI in a, well a bit makeshift and especially annoying toy packaging an.Nichts more done purely despite the join was the Macbook with NEM simple USB plug, and it did wonderfully his service! ! I have the keyboard with Logic for Apple uses and I must say I had no problems with Velocity or skipped grades! Pitch and arpeggiator can be connected to the side-mounted knobs adjust, nice gimmick, buttons are small, but even playable with my paws !! Of course one must not Professional Ultra Sampling Keyboard à la Roland expect, but does for its small size, the LPK 25 good services and anywhere, because it is wonderful to take thanks to its size in the backpack lässt.Also who examined what little light for reworking in his DAW here at the right place :)