Dunlop M-120 User Manual

Congratulations on the purchase of your new M-120 MXR Auto Q
stomp box! MXR effects have been favored by professional
guitarists for decades. While other effects have come and gone,
MXR’s keep getting the job done … with bulletproof construction,
quiet, reliable switching and tasteful, musically inspired tone
shaping.

DESCRIPTION

• Effect triggers equally at all playing volumes, by adjusting sensitivity
automatically.

• More adjustable tone parameters than any other auto-wah!

• Bonus “shimmer” effect, adjustable for Rate, Blend & Decay.

POWER

MXR M-120 Auto Q uses one 9-volt battery. The battery access is through
the bottom of the pedal. The Auto Q uses the Dunlop ECB03 Adapter
(ECB03E for Europe), a 9-volt DC regulated AC adapter. Plug polarity is
positive on the barrel and negative in the center. Note:Battery must be
installed to operate the Auto Q unless an AC adapter is used.

M-120 auto Q

CONTROLS

Footswitch toggles effect on/bypass (red LED indicates on).
3-way Band Switch selects favored frequency range of effect.
Range Knob controls frequency floor of effect.
Volume Knob controls overall effect volume (inactive in bypass mode).
Decay Knob controls dropoff decay of wah effect.
The “Q” Knob adjusts the intensity of the wah effect.
Blend Knob controls mix between wah and shimmer.
Rate Knob controls the speed of the shimmer effect.

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