Used Electro-Harmonix Doctor Q Envelope FOLLOWER Effect Pedal

Bring vintage funk to your tone with this Used Electro-Harmonix Doctor Q Envelope Follower in good condition. This classic auto-wah/envelope filter reacts dynamically to your picking for chewy quacks, synthy sweeps, and expressive leads on guitar or bass. Simple single-knob control makes dialing in touch-sensitive filter response fast and musical. Compact stompbox design with standard 1/4" input/output and 9V battery operation delivers unmistakable EHX character.