Used Electro-Harmonix Doctor Q Nano Envelope Filter Effect Pedal

The Electro-Harmonix Doctor Q Nano is a compact envelope filter pedal that delivers classic auto-wah style tone shaping, ideal for funk, rock, or experimental sounds. Housed in a rugged die-cast chassis, this used unit is in great condition and works flawlessly. It features simple controls with a Response knob to tailor the sensitivity to your playing dynamics, and a Bass/Guitar switch to optimize for different instruments. Powered by a 9V battery or optional AC adapter, the Doctor Q Nano maintains EHX's legendary analog circuitry for warm, expressive filtering. Its true bypass switching ensures your tone remains pure when the effect is off. Perfect for players seeking dynamic tone modulation in a pedalboard-friendly size.