Electro Harmonix - Intelligent Harmony Machine

Want a perfect sync when you harmonize? The Electro-Harmonix Intelligent Harmony Machine produces matching harmonies while you play with impeccable tracking.
Overview
-
The EHX Intelligent Harmony Machine instantly creates matching harmonies to what you play. It's like having one or even two guitarists jamming with you at the same time and always in perfect sync. The Intelligent Harmony Machine opens a door to the music of great multi-lead guitar bands and multi-part harmonized solos. Plus, its ability to apply harmonies ranging from simple to sophisticated will totally transform what you play. Of course, it also boasts EHX's renowned impeccable tracking and genuine musical tone.

Select your key and the Intelligent Harmony Machines will generate single note, diatonic harmonies* with a huge range of choices that includes both two- and three-part harmonies. Here are your choices:
- 1: 6th Down
- 2: Perfect 4th Down
- 3: 3rd Down
- 4: 3rd Up
- 5: Perfect 4th Up
- 6: Perfect 5th Up
- 7: 6th Up
- 8: 7th Up
- 9: 3rd Up + 5th Up
- 10: 3rd Up + 7th Up
- 11: Perfect 5th Up + Octave Up
These sound so cool that EHX has included them as extra options for the multi-harmony parts (selections 9, 10 and 11) to give you even more choices:
- 9 Optional: 4th Down + 3rd Up
- 10 Optional: 3rd Up + 6th Up
- 11 Optional: Octave Down + 5th Up
- 9 Optional: 6th Down + 4th Down
- 10 Optional: 3rd Down + 3rd Up
- 11 Optional: Octave Down + 4th Down
The Intelligent Harmony Machine also performs perfect polyphonic pitch shifts so the pitch shifts you dial up are applied to chords as well as single notes