EDM News ESI XSynth Offers Polyphony, Polyphonic Aftertouch In A Portable Keyboard Synthesizer Saturday, January 25, 2025 ESI introduced the XSynth, a new synthesizer, derived from the CME XKey MIDI controller.… Read More ESI XSynth Offers Polyphony, Polyphonic Aftertouch In A Portable Keyboard Synthesizer