The Electro-Harmonix Nano Doctor Q Envelope Filter Pedal is a compact envelope filter pedal that generates percussive filter sweeps and dynamic picking responses that produce Wah-like tones. The Doctor Q pedal features a simple one-knob range control, true bypass, and switch-selectable bass boost. The unit runs on the included 9V battery or an optional 9.6DC-200BI power supply.
Key Features:
- True bypass
- Simple one-knob range control
- Switch-selectable bass boost
- Responds to your personal picking style
- Tough and compact die-cast chassis
- 9-volt battery included
