Polyphonic – you can tune all your strings at once! The coolest little pedal you’ll find for getting in perfect tune. Just one strum and you’re looking at each string with individual LED latters for sharp or flat. Supports Drop D and many other tunings and you can save and recall a difficult tuning or reference pitch. Fast and accurate, and won’t take up much space on your pedalboard. Clean in the box for just $60.