has-loop-button-function:yes ✕ number-of-knobs:21 ✕ inputs:1 ✕ width:464-mm ✕ headphone-sockets:2 ✕ has-a-3-band-equalizer: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).