mxr octave pedal MXR M103 Blue Box Octave Fuzz Distortion Pedal
SKU: 43461072879
mxr octave pedal

mxr octave pedal MXR M103 Blue Box Octave Fuzz Distortion Pedal

Sale price$24.71 Regular price$27.46
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Description

mxr octave pedal MXR M103 Blue Box Octave Fuzz Distortion PedalThe MXR Blue Box Octave Fuzz guitar pedal drops your guitar signal down two octaves and combines it with gnarly fuzz for fat, low frequency tones. You can hear this effect heard on Jimmy Page's "Fool in the Rain" solo. The Blend knob on this MXR pedal lets you control how much of the fuzz tone is mixed with the two octaves down signal. Not for the shy guitarists, the Blue Box Fuzz offers a unique and distinctive sound. CONTROLS OUTPUT: controls the

The MXR Blue Box Octave Fuzz guitar pedal drops your guitar signal down two octaves and combines it with gnarly fuzz for fat, low-frequency tones. You can hear this effect heard on Jimmy Page's "Fool in the Rain" solo.

The Blend knob on this MXR pedal lets you control how much of the fuzz tone is mixed with the two octaves down signal. Not for the shy guitarists, the Blue Box Fuzz offers a unique and distinctive sound.

CONTROLS

  • OUTPUT: controls the overall volume of the effect
  • BLEND: controls mix or wet and dry signals
  • FOOTSWITCH: toggles effect on/bypass (red LED indicates on)

The Blue Box Octave Fuzz MXR pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick, Iso-Brick, and Mini Iso-Brick power supplies (not included).

MXR Blue Box Octave Fuzz Guitar Pedal Specs

  • MANF. model # M103
  • Input Impedance 1 MΩ
  • Output Impedance <20 kΩ
  • Input Sensitivity Level -56 dBV
  • Nominal Input Level -22 dBV
  • Max Output Level -5 dBV
  • Noise Floor* >100 dBV
  • Bypass Hardwire
  • Current Draw
  • Effect On 4 mA
  • Effect Off 1.5 mA
  • Power Supply 9 volts DC
Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 43461072879

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Kim C
Louisville, US
★★★★★ 4
Work well but run small
Size: 1 pair black L
They do seem to run a bit small. I bought them for my bf but snagged them from him because I couldn’t resist! I’m about a W8/12 and they were just a little big but unlike others, I just put them on while sleeping and didn’t walk around with them. If you’re just planning on that, they did a great job at sloughing and moisturizing 😎
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Reviewed in the United States on April 25, 2026
A
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Aaron Duncan
Charlottesville, US
★★★★★ 5
Good socks they work.
Size: 2 pairs black L
I normally wear size 13&half to 14 men's, and these fit me ok. They sit just below the ankle. They can get a little tight for me so you should look out for that if you are on the thicker side. But they work as advertised and help moisturize your feet. I recommend wearing them if you're going to just be hanging around home for a bit in one spot as they can be a little slippery to walk in if you go fast. Would not recommend going up and down stairs.
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Reviewed in the United States on August 28, 2025
B
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Brian
Carnegie, US
★★★★★ 5
Good socks
Size: 1 pair black L
Good socks
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Reviewed in the United States on May 6, 2026
A
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Amazon Customer
Omaha, US
★★★★★ 3
REALLY unsafe to walk around in these
Size: 2 pairs black L
They do what they are expected to do, but should only be used if you are stationary. The gel base makes for very unstable footing if walking around
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Reviewed in the United States on May 27, 2026
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Suz
Waukegan, US
★★★★★ 5
These work
Size: 2 pairs black L
My husband loves these they help his very dry feet. As others have stated they are extremely difficult to walk in so have to be careful but they do work nicely.
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Reviewed in the United States on March 12, 2026

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