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Pedal Effect Boss OD-20 Overdrive Distortion (D)



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Pedal Effect Boss OD-20 Overdrive Distortion (D)

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  • Pedal Effect Boss OD-20 Overdrive Distortion (D)

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Pedal Effect Boss OD-20 Overdrive Distortion (D)

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Product Details


The OD-20 Drive Zone uses advanced COSM technology to model the sound of classic overdrive/distortion pedals, as well as creating new sounds of its own. There are 22 models to choose from, plus new "Attack Shape" and "Heavy Octave" parameters for dialing in subtle nuances or extreme tones. You can even switch amp channels remotely using the OD-20's Amp Control jack.

COSM Overdrive/Distortion Modeling pedal with 22 killer stompbox models including 6 all-new tones

Models classic and modern overdrive/distortion pedals like BOSS OD-1 and MT-2, plus many other vintage and boutique pedals

Attack Shape control adjusts overdrive's response dynamics to your playing

Heavy Octave parameter creates sounds one octave below notes played on the 4th string, 4th fret and lower-great for heavy, single string riffs!

4 User memories for storing custom settings; also has Manual mode for realtime changes

Line output with Amp Simulator; also works as headphone output

Amp Control jack for switching amp channels from the OD-20

BOSS 5-year warranty

All Your Favorite Overdrive/Distortion Sounds

Thanks to COSM technology, the OD-20 can faithfully recreate the sound of the most popular overdrive/distortion pedals in history. You get all the BOSS classics like the OD-1, DS-1 and MT-2, plus boutique pedals and many other classics22 in all! Theres also six new overdrive and distortion sounds ranging from mellow crunch to bottom-heavy distortion and screaming metal.

New Attack Shape and Heavy Octave Knobs

Using Attack Shape, guitarists can adjust the overdrive models response to match their playing. So if youre really digging into the strings, the OD-20 will be right there with you. Theres also a new Heavy Octave control which produces low octave sounds for any notes played below the fourth fret of the fourth stringgreat for simulating thick 7-string type sounds heard in modern rock music.


Nominal Input Level

20 dBu

Input Impedance

1 M ohms

Nominal Output Level

20 dBu

Output Impedance

1 k ohms

Recommended Load Impedance

10 k ohms or greater

Dynamic Range

102 dB (IHF-A typ.)


Power Indicator (serves also as battery check indicator), EFFECT ON/OFF Indicator, MANUAL Indicator (1 to 4)



Power Supply

DC 9V: Dry battery (AA type) x 6, AC Adaptor

Current Draw

85 mA (9V max.) (Expected battery life under continuous use; [Carbon: 8 hours], [Alkaline: 20 hours] These figures will vary depending on the actual conditions of use.)


Dry battery (AA type) x 6 (We recommend that alkaline batteries be used when replacing the batteries.)


AC Adaptor: PSA series, Footswitch: FS-5U, Pedal Switch: DP-2 (Roland)

Size and Weight ( incl. batteries )


173 mm

6-13/16 inches


158 mm

6-1/4 inches


57 mm

2-1/4 inches


1.1 kg

2 lbs. 7 oz.

* 0 dBu = 0.775 Vrms.

*The specifications are subject to change without notice.

Additional Information

Part # OD-20

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