Electro-Harmonix Slammi Plus Pitch ShifterSlammi Plus Pitch Shifter Staggering whammy effects and dive bombs, bends, harmonies, cross fades between your dry and transposed sounds, cocked pitch shifting this pedal does it all! This polyphonic powerhouse flawlessly transposes your pitch in two different directions over a + 3 octave range: transpose up, down or both, simultaneously! Staggering whammy effects and dive bombs, bends, harmonies, cross fades between your dry and transposed sounds,