Pitch Shifter · Electro-Harmonix
Electro-Harmonix Intelligent Harmony Machine
A compact pitch shifter that generates harmonies in musically correct intervals determined by the selected key. You set the key and interval, then play to hear the harmony added to your signal.
- 9V DC · center −
- 26 mA
- New
- from $149
- Used (asking)
- from $144
The rundown
Highlights
- Generates harmonies across all keys with accurate musical intervals
- Compact Pico format design suited for pedalboards
- Tight tracking of input signal
- Expression input for dynamic control
- Runs on standard 9V DC power
Best for
Guitarists seeking a compact harmony generator that fits on space-constrained pedalboards and works across multiple keys.
Professional reviews
What the press rated it. We link to each review; read the full piece for the details.
- Guitar World4 / 5Apr 2026Read the review
Quick facts
- Power
- 9V DC
- Current draw
- 26 mA
- Polarity
- Center negative
- Dimensions
- 71.6 × 114.3 mm
- Status
- In production
Where to buy Electro-Harmonix Intelligent Harmony Machine
$149 lowest new price · Reverb
Used listings asking $144–$209.49, median $199 (8 listings). Asking prices, not sold prices.
| Seller | Condition | Price | Link |
|---|---|---|---|
| Reverb | Used | $144 | View |
| Reverb | New | $149 | View |
| Reverb | Used | $149 | View |
| Reverb | New | $149 | View |
| Reverb | Used | $183.38 | View |
| Reverb | New | $193.57 | View |
| Reverb | Used | $199 | View |
| Reverb | Used | $199 | View |
| Reverb | Used | $199 | View |
| Reverb | New | $228.38 | View |
Prices last checked 20 hours ago. Links to sellers are affiliate links.
Frequently asked questions
What power does the Intelligent Harmony Machine require?
The Electro-Harmonix Intelligent Harmony Machine runs on 9V DC at 26 mA with center-negative polarity.
How big is this pedal?
The Intelligent Harmony Machine measures 71.6 x 114.3 mm, making it part of Electro-Harmonix's compact Pico range.
Does it have an expression input?
Yes, the Intelligent Harmony Machine includes an expression input for dynamic control.
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