Not bad $300 retail. Looks like a great way to get into microtuning and atonal scales for electronic music as well ;)
https://www.midi.org/articles/microtuning-and-alternative-in...
https://www.midi.org/articles/microtuning-and-alternative-in...
Also, here's a nice video on 3-Oscillator synths: https://www.youtube.com/watch?v=O7RlLZrnugQ