MXR Sub Machine Fuzz M288 by Millionhead, a SUB MACHINE EFUZZ, can be switched between Series mode and Parallel mode.

MXR M225 Sub Machine Octave Fuzz Pedal, Fuzz/Octave Guitar Effects Pedal with Independently Switchable Octave Up Effect and Parallel/Serial Switch for Octave Down FUZASSSPESSSTESS Fuzz with the Growling SUB audio circuit. Between the series mode and parallel mode with up fuzz for the search subterannean Jim Dunlop MXR M225 Sub M225 SHAGGY FUZZ WITH A GROWLING SUB Octave Circuit - Pachalat Z Mode for Search Subterannean Sounds. The Sub Machine Fuzz Kicks Open the Door To Epic and Unbridled Sonic Explration. This mean Little Box Combines The Shaggy Vintage Tones of the La Machine Fuzz with A Growling SUB Octave Circuit, Avy. The Sub Machine Fuzz Features The La Machine Fuzz's Circuitry and All of Its Functions-From ITS VOLUME, Tone, and Fuzz Controls to ITS ELECTRIFEING OCTAVE UP Mode. IT's ALLD SCHOOT OCUTOOT OCUW OTIUATE WOTUT S OWN Level Control, So You Can Dial in Just the right mix of Fuzz and SUB Octave Signals. To Further Broden The Sub Machine Fuzz's Thunderous Tonal Palette, The MXR Team added a series switch so you can run the SUCARAGHTTRATROT THE THE THE THETROT IN Ously Subterranean Saturation- Or Alongside The Fuzz for a Split Channel Effect. ES Switch Toggles Wether Sub Octave Signal Goes Through The Fuzz Circuitoctave Footswitch Kicks Fuzz Signal Into Octave Up Mode for a Wider Tonal Spreadtrue-Bypass Switching Preserves Signal What Effect