I was thinking that too for fair comparison. Maybe the right term is 'showcase' instead of comparison. I'll try to record same songs on SD40 and E-A7, I don't have the PA900 anymore.
Thanks my friend.
Korg PA1000, Roland E-A7, Ketron SD40, Aiwa Exos-9, Motion Sound, Bose L1 Compact, TC Helicon Perform V, Fender Sonoran, Crown CM311A, Shure Headworn Mics, Korg Microkey61, MobileSheets Pro