The new Electro-Harmonix Intelligent Harmony Machine gives you a twin guitar sound without another guitarist

Who needs that second guitarist? Electro-Harmonix's new Intelligent Harmony Machine makes us wonder. If you're into twin harmonies, that is. 

The IHM is a simple, compact solution for creating harmonies as a solo guitarist. IT features two modes; Intelligent Harmony and Poly Override. In Intelligent Harmony,  playing single notes through the pedal produces a "one- or two-voice diatonic harmony in the selected key."

In Poly Override, the IHM is akin to the awesome EHX Pitch Fork with "lightning-fast tracking and impeccable polyphonic pitch shifting". This combination of the two modes is compelling and you can hear it in action above. 


(Image credit: Electro-Harmonix)

The Intelligent Harmony Machine is $230. More info at

Rob Laing
Guitars Editor, MusicRadar

I'm the Guitars Editor for MusicRadar, handling news, reviews, features, tuition, advice for the strings side of the site and everything in between. Before MusicRadar I worked on guitar magazines for 15 years, including Editor of Total Guitar. I've currently set aside any pipe dreams of getting anywhere with my own songs and I am enjoying playing covers in function bands.