Electro-Harmonix Q-Tron+ Envelope Filter @ Musiciansfriend Electro-Harmonix Q-Tron+ Envelope Filter Description
Electro-Harmonix' Q-Tron+ Envelope Filter pedal is the classic envelope follower with effects loop. Place your favorite effects between the preamp and filter section without changing the envelope drive. Be creative with the effects you plug into the FX loop and invent totally new sounds. Ratify your Mojo!