Diki,

I dont think Anatek is making them anymore, but there's one by Midi Solutions. I don't see why it wouldn't work with the Motif XS. The one from Midi Solutions is a little expensive though. The converter box costs $169 at MusiciansFriend.

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.