Hello, I played and sold several PA1X Pros, I am also a PA60 owner, main diferences are:
The user interface with the touch color screen, the RX technology (like the Mega voices in Yamaha) terrific sounding acoustic & electric guitars, electric pianos, organs and with the drawbar controls in real time.., the TC helicon harmonizer, new styles besides all the previus ones....the key action......GREAT!!...Options like MP3 encoder, CD burner, I like this board, but is a little out of my range.

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mdorantes