BOSS MO-2 Multi Overtone Pedal

BOSS MO-2 Multi Overtone Pedal


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SKU: BOSSM02 Category:
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Boss MO-2 Multi Overtone uses the existing harmonic tones of your guitar to produce new and inspiring sounds. It does this with a new technology called Multi-Dimensional Processing (MDP). The MDP technology in the MO-2 works by analyzing audio signals using a variety of factors (or dimensions) and then applying different effect levels to each stage. The end result is a bold, new sound with a previously unattainable range of expression and dynamic response.

The MO-2 produces incredibly distinctive and expressive tones only possible with the magic of MDP. Using your guitar’s rich harmonic characteristics as a starting point, the MO-2 builds completely new voices that enhance and thicken your normal sound. Three different modes offer diverse tone-shaping options, while the DETUNE knob unlocks a wide range of impressive modulation effects. From shimmery multi-string resonance to flute-like transparency to powerful textures reminiscent of organs and synths, the MO-2 brings you an array of unique sonic tools that add all-new dynamic resonance characteristics to your guitar.


Next-generation BOSS compact pedal with innovative Multi-Dimensional Processing, realized with proprietary technology and custom DSP

Impressive, harmonically rich sounds that compliment and enhance your straight guitar sound

Works well with both clean and distorted guitar tones, and also bass guitar

Ultra-responsive to volume changes and playing dynamics

Three different sound modes; wide range of tonal adjustment with simple controls

Mono or stereo output


Nominal Input Level: 20 dBu

Input Impedance: 1 M ohm

Nominal Output Level: 20 dBu

Output Impedance: 1 k ohm

Recommended Load Impedance: 10 k ohms or greater

Controls: Pedal switch BALANCE knob TONE knob DETUNE knob MODE knob

Indicator: CHECK indicator (Serves also as battery check indicator)

Connectors: INPUT jack OUTPUT-A (MONO) jack OUTPUT-B jack AC adaptor jack (DC 9 V)

Power Supply: Alkaline battery (9V, 6LR61) or Carbon-zinc battery (9V, 6F22) AC adaptor (sold separately)

Current Draw: 40 mA * Expected battery life under continuous use Alkaline: Approx. 10 hours Carbon: Approx. 3 hours These figures will vary depending on the actual conditions of use.

Accessories: Owner’s Manual Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTE,” and “Information”) Alkaline battery (9V, 6LR61)

Option (sold separately): AC adaptor (PSA series)

Dimensions (WxHxD): 73 x 59 x 129mm / 2-7/8 x 2-6/16 x 5-1/8″

Weight: 430 g / 0 lbs. 16 oz.

Additional information

Weight 4 lbs