This is perhaps the most regretful purchase I have made, not because of the keyboard itself - but because of a limitation that came with it. I had to do a recording when I received this, and to my disappointment it came with a ridicilously short usb power cable. This is fine when you use small and portable stuff, but here we are talking an almost 5 kg heavy aluminium 49 key keboard with the usb port on the very left end - it will not reach your power unit unless you place it beside the left side of the keyboard. When I tried to arrange a way to get this to work, this heavy keyboard was dragged down by the cable and falls down on my old Casio CZ-5000 and breaks its Keys. A synth that I have had since I was 11 years old. All this because the company cut short on package quality by not including a longer cable to a big controller keyboard.
So my experience with this keyboard was indeed not the greatest, but after having used it two times I can say it is decent. Keys are ok but with limited key velocity - it will not be the most touch responsible keys you've played. Other features are ok and as expected. So for the price you will have a decent 49 key controller, I have had better and worse. It bothers me that I had to buy a separate 1,5 m cable to be able to use it properly and that it resulted in damaging my dearest synth since childhood. A 49 key big controller should not come with a short cable like this one did.