mixer-channels:4 ✕ width:870-mm ✕ has-loop-button-function:yes ✕ microphone-inputs:2 ✕ has-built-in-audio-interface: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).