Selling this one for a friend, he left for Europe so I don't know too much technical details other then I tried the styles and the keyboard and everything works,no faded buttons, reading up on it, no problems with after touch,or louder notes,disk drive is working,display looks good, and no dents on the speaker grills although a few small scratches here and there but mostly on the bottom and one scuff by the joystick which doesn't look like any big deal, (110 volts)over all this keyboard looks and sounds fabulous. Inbox mail if interested.

thanks!

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Currently main setup on stage are:KORG PA4X