I loved the BK7 when I had it except for all the various pieces of gear that were necessary. I always said that if they made a keyboard version of it, I'd buy it, and the EA7 is all that and more.
One thing I liked about the BK7 was that by using a controller keyboard I could call up functions that were not even possible to do directly from the module. For example, individual buttons for each intro and ending, and many more things.
I had 50 buttons, sliders, etc., programmed for it.
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DonM