Corona is a virtual analog and wave synthesizer for Audio Units, VST hosts featuring 3 VA + WAVE oscillators, up to 14 combine modes between oscillators resulting in extensive timbres, 8 destination matrix modulations, 3 LFOs, 3 ADSR envelopes, unison, chorus, delay and limiter effects with high-quality sound and analog modeled filters using a straightforward and easy to use interface.

Corona has 16 notes polyphony by default. This number can be changed by clicking the LCD below POLYPHONY.

A drop down menu will appear with the number of notes to enable. Select the desired number. Understandably, when using more voices, the computer will also use more CPU power.