![Guitar Pedal X - GPX Blog - MXR's New Poly Blue Octave 4-Voice-Octaver, Modulator and Fuzz is a major evolution of their Legendary Blue Box Pedal Guitar Pedal X - GPX Blog - MXR's New Poly Blue Octave 4-Voice-Octaver, Modulator and Fuzz is a major evolution of their Legendary Blue Box Pedal](https://d6a2e7ghqts3o.cloudfront.net/AcuCustom/Sitename/DAM/528/2022GPXMXRPolyBlueOctave700.jpg)
Guitar Pedal X - GPX Blog - MXR's New Poly Blue Octave 4-Voice-Octaver, Modulator and Fuzz is a major evolution of their Legendary Blue Box Pedal
![New pedal day! Got my MXR poly blue octave today. I really like the lower octaves on mono mode. Tell me what you think. Maybe you have some advices on exploring the New pedal day! Got my MXR poly blue octave today. I really like the lower octaves on mono mode. Tell me what you think. Maybe you have some advices on exploring the](https://i.redd.it/cgrina0yifz91.jpg)
New pedal day! Got my MXR poly blue octave today. I really like the lower octaves on mono mode. Tell me what you think. Maybe you have some advices on exploring the
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