Used Electro-Harmonix Doctor Q Nano Envelope Filter Effect Pedal

Add classic auto-wah funk and vocal quack to your rig with this used Electro-Harmonix Doctor Q Nano Envelope Filter in great condition. Its responsive envelope follower reacts to your picking dynamics for everything from subtle filtering to chewy synth-like sweeps. Compact Nano enclosure fits any pedalboard, with simple Controls for Range and Q to shape the sweep and resonance. Standard 1/4" input/output and 9V DC power for easy integration.