MXR M103 Blue Box™ Octave Fuzz Pedal
The MXR Blue Box™ Octave Fuzz is one of the most distinctive fuzz pedals ever created. Combining a raw, aggressive fuzz effect with a signal that is dropped two octaves below your original note, the Blue Box delivers huge, synth-like tones that have inspired guitarists for decades.
From thick, subterranean riffs to chaotic experimental sounds, the M103 Blue Box creates a unique voice that stands out in any pedal collection. Perfect for players looking to explore vintage fuzz textures, octave effects, and creative sonic landscapes.
Features
✔ Classic MXR octave fuzz effect
✔ Mixes your dry signal with a signal two octaves lower
✔ Thick, aggressive vintage fuzz tones
✔ Creates unique synth-like and bass-heavy sounds
✔ Simple two-knob operation
✔ Compact and road-ready MXR housing
✔ Legendary effect used by generations of guitarists
Controls
Output
Adjusts the overall output level of the pedal.
Blend
Controls the mix between the fuzz effect and the two-octave-down signal.
Suitable For Use With
Benefits
✔ Massive low-octave textures
✔ Unique vintage fuzz character
✔ Creates synth-style tones without additional equipment
✔ Simple, intuitive controls
✔ Perfect for creative and experimental playing
Specifications
| Feature |
Details |
| Model |
M103 |
| Effect Type |
Octave Fuzz |
| Controls |
Output, Blend |
| Power Supply |
9V Battery or 9V DC Adapter |
| Manufacturer |
MXR |
Power Options
The MXR Blue Box can be powered by:
-
9V battery
-
Dunlop ECB003 9V power adapter
-
Dunlop DC Brick™ Power Supply
-
Dunlop Iso-Brick™ Power Supply
-
Dunlop Mini Iso-Brick™ Power Supply
Power supply not included.
Perfect For
-
Guitarists seeking unique fuzz tones
-
Experimental musicians
-
Stoner and psychedelic rock players
-
Sound designers
-
Recording studios
-
Players wanting vintage octave fuzz sounds
The MXR M103 Blue Box™ Octave Fuzz delivers legendary low-octave mayhem and aggressive fuzz in a compact pedal, making it a must-have for adventurous players looking to push their sound into new territory.
