On Order. 45 Day Lowest Price - 100% Satisfaction Guarantee. Polyphonic octave generator. You can add one octave up, two octaves up, and one octave down and blend all of them together with straight-through signal. WORKS ON CHORDS. Want your guitar to sound like a 12 string? The POG can do itor even make it sound like an 18 string. And the POG can do a lot more than that. Destined to be a legendary EH classic.