Effect Pedals & Processors

MXR M-103 Oktaver Effektgerät MXR M-103, Bluebox Octaver@+A truly extraordinary effect by MXR. Basically, the "Blue Box" is a kind of octaver, but there is already the MXR Bass Octave. The Blue Box is more for people who prefer something special or anything else: the guitar... MXR M-103 Oktaver Effektgerät