The next generation Bass Whammy uses the most advanced pitch detection and polyphonic note tracking technology to create the world's best pitch shifting effect pedal optimized for bass. The Bass Whammy maintains the classic settings from the original with many modern upgrades. With two different tracking modes, Classic and Chord, Classic provides super accurate note tracking for single note bass lines while chords uses an advanced polyphonic algorithm for smooth chordal shifting. The Bass Whammy is true bypass, MIDI controllable, and uses a 9V DC power supply to easily integrate into your existing pedalboard.