BUTTER YELLOW AUTO QUACK

The One Control Butter Yellow Auto Quack is an envelope filter pedal designed for dynamic response to instrument input. This auto wah pedal is engineered for use with both electric guitars and electric basses, offering a tailored frequency range. The Mellow/Bright side switch provides selectable filter ranges, from a flatter, more focused effect to a higher, wider sweep. The Bias control sets the filter’s starting frequency, Sensitivity adjusts how easily the filter is triggered, and Decay controls the closing speed of the filter envelope. The pedal features true bypass switching for signal integrity. **Key Features:** - Envelope filter pedal with auto wah effect - Dedicated controls for Bias, Sensitivity, and Decay - Mellow/Bright switch for adjustable filter range - True bypass circuitry - Compatible with electric bass instruments