Used Electro-Harmonix Doctor Q Nano Envelope Filter Effect Pedal

Add funky filter effects to your tone with this used Electro-Harmonix Doctor Q Nano Envelope Filter, in great condition. Compact and pedalboard-friendly, it delivers dynamic auto-wah sounds perfect for funk, rock, or experimental genres. Features simple Sensitivity and Range controls for easy tonal shaping and true bypass switching for signal integrity. Ideal for guitar or bass, this reliable analog effect pedal adds expressive character without taking up much space. Powered by 9V battery or adapter.