Electro-Harmonix Nano POGThe smallest member of the polyphonic POG clan provides impeccable tracking and sound. Separate level controls for dry, sub octave and octave up plus an extra Dry out and silent footswitching provide the perfect formula for this compact jewel. Quick Specs Super, space saving design Tracks chords, sweeps or single notes with no hitches or glitches Great 12 string guitar sound or turn your guitar into a bass Amazing organ like sounds Adjustable original