MXR M287 Sub Octave Bass Fuzz Effects PedalThe sub octave bass fuzz dishes out thunderous low end with earth shaking fuzz. To create this sonic behemoth, mar's engineers combined the growl section of the bass octave deluxe with a long forgotten fuzz circuit. With three separate output level controls for the fuzz, sub octave, and dry signals, you can create your own recipe of subterranean tones without sacrificing any of your instruments natural sound. Further versatility comes in the form of