Fuzz and octave (up or down) is a match made in Rock'n'Roll Hell (in a good way!) - yes because the results aren't exactly heavenly, are they? The MXR Poly Blue Octave takes this combo to the next level, with a circuit that offers not one, not two but FOUR separate polyphonic octaves (two up and two down) married with the classic MXR Blue Box fuzz - with a bunch of extra cool features (including modulation) thrown in for good measure.... Click on the title for more