The Low Pass/Notch band is switchable between low pass filter and notch EQ functions. By default, this band is set to Low Pass Filter.
Attenuates all frequencies above the Frequency setting at the selected slope while letting all frequencies below pass through.
Attenuates a narrow band of frequencies centered around the Frequency setting. The width of the attenuated band is determined by the Q setting.
The Low Pass and High Notch EQ controls and their corresponding graph elements are displayed on-screen in gray. The following control values are available: