Used Electro-Harmonix Doctor Q Nano Envelope Filter Effect Pedal

Add funky, touch-sensitive wah and quack to your rig with this used Electro-Harmonix Doctor Q Nano Envelope Filter in great condition. This compact analog envelope filter responds to your picking dynamics for classic auto-wah tones, from subtle vowel-like sweeps to bold funk bursts. Simple controls make dialing in fast, musical results. Runs on a standard 9V battery or optional 9V DC adapter, with true bypass switching and a pedalboard-friendly nano enclosure.