Pedal MXR Blue Box M103 Octave Fuzz Instrumentos musicais Cambu, Campinas 1488711563 OLX Today's offering is a spruced up reposting of a vintage 1976 MXR Blue Box rescue. These are VERY odd pedals. On one side is a double octave down effect, and on the other MXR M222 Talk Box Review Premier Guitar Disposable Kiwi VPRSTS First released in 1974, the MXR Blue Box Fuzz is one of MXRs foundational offerings alongside the Phase 90, Dyna Comp Compressor, and Distortion+. The Blue Box Fuzz takes your signal and duplicates MXR Blue Box from 1974