Hi.
As far as I understand it, it is a 'mini PA50'.
So differences will be the smaller keys and what else is diffent at PA80.
For some reason or another, the keys at KMA is not that bad to play on, in fact they work well.
I also use it to run the Roland BK7-m via midi. Works great.
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Cheers 🥂
GJ
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"Success is not counted by how high you have climbed
but by how many you brought with you." (Wil Rose)