microphone-inputs:1 ✕ outputs:4 ✕ has-loop-button-function:yes ✕ width:440-mm ✕ inputs:2 ✕ has-backlit-led-buttons:yes ✕

Allow OR queries (select multiple values per filter)

When disabled: selecting a filter value replaces the current value.
When enabled: you can select multiple values for the same filter (OR logic).