Used Electro-Harmonix Doctor Q Nano Envelope Filter Effect Pedal

Add funky, touch-sensitive quack to your tone with this used Electro-Harmonix Doctor Q Nano Envelope Filter in good condition. This compact analog envelope filter responds to your pick attack for expressive auto-wah sweeps, perfect for guitar or bass. Simple controls make it easy to dial in classic funk, synthy pulses, and vowel-like leads. Features a 1/4" input and output and runs on a 9V battery or standard 9V DC adapter (center-negative).