TC Electronic BRAINWAVES PITCH SHIFTER pedal with switchable true/buffered bypassharmonizer, double and octave functionspacking Untold expression by way of a 4-mode pitch engine and whammy-style MASH switch, The TC Electronic brainwaves stereo pitch shifter/Harmonizer pedal is your ticket to hendrician octave effects, scholzian harmony leads, and morello-ish pitch bends all in a single-pedal format. From de-tuned stereo doubling to multi-octave landscapes, the brainwaves simplifies any number of single-guitar stage needs. A pressure-sensitive MASH expression switch unleashes pedal-steel pitch bends to devastating dive bombs at a moment's notice. And thanks to its TonePrint technology TC Electronic BRAINWAVES PITCH SHIFTER pedal key features state-of-the-art pitch shifter pedal with innovative pressure-sensitive foot switch offers wealth of studio-grade algorithms including polyphonic pitch shifting, whammy-style octave up and detune completely independent dual voice pitch shifting from unison to 2 octaves up or down beam cool Signature tones and artist-made effects into your pedal with the free TonePrint app simple, easy-to-use controls let you focus on playing compact format fits on any pedal board true bypass allows for optimum clarity and zero high-end loss when the pedal is off works flawlessly with guitar and FX loop signals optional buffered bypass mode prevents high-end loss from long cable runs analog-dry-through maintains integrity of Analog dry signal path even when effect is on Designed and engineered in Denmark revolutionary MASH expression control foot switch bends pitch-shifted notes and is assignable to any parameter of the pedal craft unique pitch effects and customize MASH functionality with free TonePrint editor (PC, Mac*, iPhone*, Android* and iPad*).