Used Electro-Harmonix Doctor Q Nano Envelope Filter Effect Pedal

Used Electro-Harmonix Doctor Q Nano Envelope Filter Pedal in good condition delivers classic auto-wah effects in a compact, pedalboard-friendly design. Featuring simple controls including a range knob and a bass switch, it dynamically responds to your playing for funky, expressive tones. Ideal for guitar or bass, it runs on a 9V battery or optional AC adapter. With a rugged metal chassis, it's built for reliable performance and vintage-inspired filtering.