Electro-Harmonix Pico Intelligent Harmony Machine – Compact Diatonic Harmony Pedal

The Electro-Harmonix Pico Intelligent Harmony Machine condenses the powerful diatonic harmony engine of the original Intelligent Harmony Machine into an ultra-compact Pico enclosure. Designed to generate tight, musical harmonies in any key, it delivers fast tracking and smooth pitch processing that keeps up with even the most complex lead lines. With support for two- and three-part harmonies and a simple, performance-friendly control layout, the Pico IHM is a pocket-sized harmony solution—available at Soundium.

Key Features

• Diatonic harmony engine: Generates musically correct harmonies in any selected key
• 10 harmony interval modes: Choose from a wide range of intervals for versatile harmony voicings
• Dual Mode: Adds a second harmony voice for rich 3-part harmonies when combined with the dry signal
• Fast, accurate tracking: Maintains clarity and precision even with rapid lead playing
• Compact Pico enclosure: Saves valuable pedalboard space without sacrificing functionality
• Simple, intuitive controls: Easy key selection and mix adjustment for live use

Customer Benefits

The Pico Intelligent Harmony Machine allows guitarists to add studio-quality harmonies instantly, without complex setup or MIDI programming. Its tight tracking and diatonic intelligence make it ideal for live performance, while Dual Mode opens the door to lush, three-part harmony textures in a pedalboard-friendly format.

Quick Specs

• Effect type: Diatonic harmony / pitch shifting
• Harmony modes: 10 selectable intervals
• Voices: Up to 2 harmony voices (3-part harmony with dry signal)
• Controls: Key, Interval, Mix, Volume, Sharp (#) / Dual Mode
• Tracking: Fast, monophonic pitch detection
• Form factor: Pico compact pedal
• Power: External power supply (included)

What’s in the Box

• Electro-Harmonix Pico Intelligent Harmony Machine pedal
• Power supply
• User documentation

Use Cases / Ideal For

Ideal for lead guitar harmonies, dual-guitar style lines, melodic solos, progressive rock, metal, and any performance requiring tight, musically correct pitch harmonisation.

Compatibility

Compatible with standard guitar and line-level pedalboard setups using conventional power and signal chains.

Pros & Cons

✅ Pros:

• True diatonic harmonies in a very small pedal
• Dual Mode enables rich 3-part harmony textures
• Fast, reliable tracking for live performance
• Simple controls make key changes quick and easy

⚠️ Cons:

• Requires manual key selection
• Not designed for polyphonic chord harmony

The Electro-Harmonix Pico Intelligent Harmony Machine delivers professional diatonic harmonies in the smallest Harmony Machine ever—available at Soundium.