Foxrox FR100 Overdrive

FR 100 is a dual-mode, stacked overdrive.

DRIVE mode: When the pedal is powered up it comes on in Drive mode. The signal is passed through a clear-voiced soft clipping section. This circuit is similar to the VT and CS cards used in the Foxrox ZIM pedal.

LEAD mode: Pressing the LEAD foot switch turns the Red LED on and inserts an additional overdrive stage before the main Drive section. This overdrive adds more gain, sustain and midrange. The two drive stages work together to create a clear, fluid lead tone. Press again to deactivate LEAD mode.

LEAD mode gives you both a gain boost and volume increase. The volume increase while engaging LEAD mode can be adjustable internally. Both DRIVE and LEAD modes are responsive to your guitar’s volume knob and the dynamics in your playing.
Tone knob and Voice switch let you match FR 100 to different amplifiers and playing situations.
The LEAD overdrive section is identical to the H9 Overdrive card used in the Foxrox ZIM pedal.


Volume: Controls the overall volume of the pedal. Typical setting around 1:00

Drive: Controls the amount of gain in the main drive section. Typical setting around 2:00

Lead: Controls the amount of gain added when the pedal is in Lead mode. Typical setting around 2:00.

Tone: Turn down for bass, up for treble.

Voice switch: Three selections for matching FR 100 to various amps and playing situations.

  • High: Tightens the low end and adds resonance in the mids. Good for helping a guitar cut through the mix on a crowded stage. Useful with amps that have a lot of low end.
  • Mid: This is the natural tone of the overdrive without additional tone shaping.
  • Low: Fattens the low end for a warm tone. Useful with small amps and to avoid harshness with bright amps.


WARRANTY: Foxrox warranties this pedal for 5 years against failure. Parts and labor are covered. Warranty does not cover damage due to improper voltage, extreme abuse and unauthorized modifications. For repair help, email

Note: This User's Manual is adapted from the official manual created by Foxrox Electronics in PDF format, without modification of the content. We just rewrite the PDF, into responsive mobile friendly pages.So, you can read this document anytime and anywhere.

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