Hi!
Ketron SD 40 is the winner. Sounds much more live. SD 40 styles and Tyros 5 right hand sounds is a perfect combination. I have the same set, but with Ketron MidjPro. Sounds very good.

/ Fozzie
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Ketron Audya-76, Ketron SD 90, Ketron SD1000, Korg PA5X, Yamaha Genos, Zoom R-24, Zoom H2n, Guitars, Amps, Band in a box 2023 audiophile, Ipad PRO with Auria and iConnect AUDIO4 interface, etc. etc.