Check the listing for details. Whammy DT Pitch Shift Effect Pedal. Condition: Open box. Listed at 382.89 USD. Nothing can slow up the flow of a show more than having to stop, and completely retune your guitar if a song requires a different tuning; followed by returning the same guitar back to its original tuning. Now there’s a way you can avoid all that dead air that can take away the momentum of a good gig. The DigiTech Whammy DT Pitch Shift Pedal offers a solution that will take care of any time-consuming tuning alterations and give you instant flexibility. With the Whammy DT, you can modify your tuning without having to change guitars or pause awkwardly to make adjustments for the next song. Key changes are at the tips of your toes and take just moments, which is crucial when the audience is feeling your vibe. Pitch shifting effects really help your guitar performance stand out and the Whammy.