number-of-knobs:27 ✕ has-loop-button-function:yes ✕ width:460-mm ✕ outputs:3 ✕ headphone-sockets:1 ✕ inputs:4 ✕

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).