Bass Cut Filter; Low Freq Trimmer; High Freq Trimmer; Limiter - Boss BR-1600CD Owner's Manual

Speaker Modeling parameter functions

Bass Cut Filter

This filter cuts out vocal pop and other unwanted low-band
noise.
On/Off
This setting turns the Bass Cut Filter on or off.
Cut Off Freq
This parameter sets the frequency below which vocal pop and other
undesirable lower-range noises will be filtered out.

Low Freq Trimmer

This trimmer is used to process low frequencies.
On/Off
Switches the low frequency trimmer on or off.
Gain
Adjusts the gain (i.e., the amount of boost or cut) for the low
frequency trimmer.
Frequency
Specifies the center frequency for the low frequency trimmer.

High Freq Trimmer

This trimmer is used to process high frequencies.
On/Off
Switches the high frequency trimmer on or off.
Gain
Adjusts the gain (i.e., the amount of boost or cut) for the high
frequency trimmer.
Frequency
Specifies the center frequency for the high frequency trimmer.
128
OFF, ON
THRU, 20 –2000 Hz
OFF, ON
-12–+12 dB
20–2000 Hz
OFF, ON
-12–+12 dB
1.0–20.0 kHz

Limiter

A limiter reduces loud input levels to prevent distortion.
On/Off
Switches the limiter on or off.
Threshold
Adjust this parameter to match the input signal. Limiting will be
applied to input levels in excess of this level.
Release
This adjusts the time it takes for limiting to be removed once the
signal level drops below the threshold.
Level
This parameter adjusts the overall volume.
OFF, ON
-60–0 dB
0–100
-60–+24 dB