The TWA Great Divide GD-01 octave pedal has five continuously blendable analog octave voices, including Dry, Octave Up, Octave Down, Sub and Synth. Its Sub voice can be user-assigned as -1 Octave Down, -1.5 Octaves Down, -2 Octaves Down or -2.6 Octaves Down The Synth voice combines octave waveforms to create synth-fuzz octave effects. It uses true-bypass switching and his hand-made in the U.S. Visit godlyke.com.