Used Electro-Harmonix DOCTOR Q Effect Pedal

Add funky, vowel-like sweep to your tone with this used Electro-Harmonix DOCTOR Q envelope filter in good condition. It delivers classic auto-wah quack that reacts to your picking dynamics for expressive rhythm and lead work. Compact stompbox design with standard 1/4" input/output jacks, simple control layout, and rugged metal enclosure. Ideal for guitar or bass, it provides vintage EHX filter character without the need for a treadle pedal.