Finding a good clean octave generator it not allows easy. Many octave pedals come inherent with a fuzz effect. The EHX XO series Micro POG is a polyphonic octave generator effect is clean and will make your 6-string guitar sound like a 12-string and make your 4-string bass sound like an 8-string. The Micro Pog's super-fast tracking gives you glitch-free polyphony and makes a great bass sound using the sub octave. Includes Dry, Sub Octave, and Octave Up controls. Dry and wet outputs. 96DC-200BI power supply included.