Mixer; Limiter; Output - Boss BR-864 Owner's Manual

Mastering Tool Kit Parameter Functions

Mixer

Adjusts the volume of each frequency band.
Lo Level
Sets the volume level of the lower range after the signal passes
through the expander and compressor.
Mid Level
Sets the volume level of the midrange after the signal passes through
the expander and compressor.
Hi Level
Sets the volume level of the upper range after the signal passes
through the expander and compressor.

Limiter

This suppresses high-level signals to prevent distortion.
On/Off
Sets the limiter to ON or OFF.
Thres
Adjust this as appropriate for the input signal from your bass.
Attack
This sets the time it takes for the limiter to go into effect once the
input level exceeds the threshold level.
Release
Adjusts the time until when the limiter will turn off after the input
level falls below the threshold level.

Output

This makes settings that affect the overall output.
Level
Sets the volume level of the overall sound after the signal passes
through the limiter.
Soft Clip
This suppresses noticeable distortion occurring with heavy use of
the compressor/limiter effect.
Dither
This prevents the action of muting sounds from being too noticeable.
130
-80– +6 dB
-80– +6 dB
-80– +6 dB
OFF, ON
-24–0 dB
0–100 ms
50–5000 ms
-80– +6 dB
Off, On
OFF, 24–8 BIT