Filter pedals in Logic Pro for iPad

 Sensitivity knob: Set a threshold that determines how the filter responds to incoming signal levels.

 Cutoff knob: Set the center frequency for the filter.

BP/LP pop-up menu: BP (Bandpass): Signal frequencies just above and below the cutoff are filtered. LP (Lowpass): Only signals below the cutoff are allowed through the filter.

Hi/Lo pop-up menu: Choose a preset filter resonance setting.

Up/Down pop-up menu: Set a positive or negative modulation direction—the “wah” filtering occurs above or below the source signal frequency.

 Pedal Position control: Adjust the pedal position and therefore the effect intensity and level.

Frequency sliders: Boost or cut the corresponding frequency band.

 Level control: Set the overall output gain.

 Pedal Position control: Adjust the pedal position to add expression.

Mode pop-up menu: Choose a Wah type or control Volume. Each Wah type has a different tonal quality.

Q knob: Low Q values affect a wider frequency range, resulting in softer resonances. High Q values affect a narrower frequency range, resulting in more pronounced emphasis.