Low Frequency sets the frequency boundary between low and mid cut or boost points in the reverb EQ. The range of this control is from 50.0 Hz to 1.5 kHz.Low Gain sets cut and boost values for the low and mid frequencies of the reverb decay EQ. The range of this control is from –24.0 dB to 12.0 dB.High Frequency sets the frequency boundary between mid and high cut or boost points in the reverb EQ. The range of this control is from 1.5 kHz to 20.0 kHz.High Gain sets cut and boost values for the mid and high frequencies of the reverb decay EQ. The range of this control is from –24.0 dB to 12.0 dB.High Frequency Rear Cut rolls off additional high frequencies in the rear channels of the early reflections and reverb tail. The application of this filter is distinct from the application of Decay Color and Decay EQ. The range of this control is from 250.0 Hz to 20.0 kHz.