First introduced in June 2016, it replaced the Yamaha Motif.
Compared to the original MONTAGE, the preset wave ROM is 5.67 GBytes and user ROM is 1.00 GBytes which is less than MONTAGE.
FM-X sound engines, half of user sample ROM, 4 knobs and sliders instead of 8, seamless switching for 4-part programs, and fewer buttons.
The GEX balanced hammer keyboard action supports polyphonic aftertouch, implemented with Hall sensors.
Compared to the original MONTAGE, preset wave ROM is increased to 10.2 GBytes (compressed with LPC-derived algorithm) and user ROM to 3.75 GBytes.