From the Price Guide

Overview

With the Q-Tron +, Electro-Harmonix takes the funky filter design of the standard model and pushes it to new heights. With a handy effects loop and an additional switch for fast or slow attack, the EHX Q-Tron + is sure to be a permanent staple on your pedalboard.

Product Specs

Brand
Model
  • Q-Tron Plus Envelope Filter
Finish
  • Silver / Purple / Black
Year
  • 2000s
Categories