by Jef | 4,0 / 5,0 | Approximate reading time: 1 Minute
EHX Slammi Plus Pedal

EHX Slammi Plus Pedal  ·  Source: Electro Harmonix


Electro-Harmonix has just released a pedal called the Slammi Plus Polyphonic Pitch-Shifter/Harmony. Packed into a large foot treadle unit, this new pedal should be easy to tweak on the fly.


11 Polyphonic Positions

The Slammi Plus has an 11-position switch which selects the transposition interval starting with detune for a chorus or doubling effect and includes the following: Minor 2nd, Major 2nd, Minor 3rd, Major 3rd, Perfect 4th, Perfect 5th, Major 6th, 1 Octave, 2 Octaves and 3 Octaves.

With a lot of effects settings crammed into one pedal, you get a lot of useful variations. For the money, this certainly makes it stand out from the crowd, with its nearest rival being the more expensive Digitech Whammy pedal series.

Electro Harmonix Slammi Plus

Electro Harmonix Slammi Plus with 11 polyphonic choices of pitch and harmony settings!

Whammy killer?

It is also a polyphonic effect at all times, making it very useful for shifting chords and dual-note runs, which is a big bonus. You can blend in the unaffected signal, as well. The X-Fade function sets the pitch-shifted interval, and the pedal cross-fades between the unaffected dry note and the pitch-shifted one.

I would highly recommend watching the official demo video below to get a demonstration of the Slammi Plus. It sounds really good and could be perfect for anyone looking for pitch shifting and harmony effects on a budget.


It will run from a regular 9-volt power supply and you can even power it off a regular battery as well, which is something a Digitech Whammy pedal cannot do. That makes it more versatile in terms of power – this could be a great way to get your whammy on.

Electro Harmonix Slammi Plus RRP – USD 168

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  • Electro Harmonix Slammi Plus with 11 polyphonic choices of pitch and harmony settings!: Electro Harmonix
EHX Slammi Plus Pedal

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One response to “A Whammy killer? Electro-Harmonix outs Slammi Plus pitch shift/harmony pedal”

    jim says:

    It’s a Pitchfork, with an expression pedal. Good job EHX.
    I have the Pitchfork. It is an excellent pitch shifter, the best I;ve ever used. ( retired the PS5 with prejudice)
    And I did buy one of those awful pedals they were selling a couple of years ago to go with it. The ones with no moving parts.
    GC won;t even buy it back for cheap.
    In any case I got one of those M-audio pedals, and that works with the pitchfork and isn’a a cursed abomination.

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