The Elka EK-22 is equipped with 6 voices and offers two oscillators per voice. A built in chorus also thickens the sound further.
The instrument features a fair amount of buttons with a screen print of parameters and functions on it's front panel. The editing features are very good for tweaking and customizing the player's sound.
The instrument has MIDI and offers different settings for how the instrument play and receive MIDI. The keyboard can be split and it's setting saved along with other preferences as a Performance Preset. There are 16 performance presets that's have performance features like the keyboard split, portamento setting, wheel settings, and MIDI.
Oscillators are very programmable with syncing, individual tuning, level and modulations. There are two six-stage envelope generators for total control of dynamics. The EK-22 is a capable synth similar to the Prophet 600 in programmability but more like the Matrix 6 in its look and push button style programming interface.