Electro-Harmonix Harmonic Octave Generator/Synthesizer

Quick Specs Sophisticated new algorithms improve the quality of the ten generated octaves and harmonics as well as the Freeze function. Full MIDI control over all parameters and presets A Master Volume for added control and convenience. Volume levels are saved as part of a preset. 10 Controllable harmonic intervals and 7 Expression modes Freeze modes holds a note or chord so you can play over it or slide to new notes like a keyboardist playing portamento. Amplitude envelope controls your attack or decay speeds. Dedicated resonant filtering with sweepable frequency control. Separate lower and upper harmonic amplitude envelopes. Save and recall up to 100 preset programs with the optional Foot Controller (sold separately) External expression pedal included. Standard 9VDC 200mA power supply included.