Item #1563604 Model #NANOQTRON

Electro-Harmonix Nano Q-Tron Envelope Filter Effects Pedal Silver


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An envelope-controlled filter for versatile, interactive tone effects.

The Electro-Harmonix Nano Q-Tron envelope filter effects pedal is a versatile effects modulator that’s suited to a wide range of genres and instruments. The Nano Q-Tron responds to the user’s playing style and dynamics, with the input signal’s volume controlling the cutoff or center frequency of a swept filter. The results are tone-altering effects ranging from subtle to dynamic, auto-wah to ultra-funky—all inspired by how you play and highly interactive.


  • Drive control adjusts the filter sweep sensitivity and how the pedal responds to the user’s dynamics
  • Q control sets the peak bandwidth, determining subtlety or dramatics of the effect
  • LP (low pass), BP (band pass) and HP (high pass) Mode Switch controls frequency range
  • Pedalboard friendly in a compact, rugged enclosure
  • True Bypass switching
  • Comes equipped with a 9V battery and can also be powered by an optional 9V power supply