AN APPARATUS

摘要

An apparatus comprising a transducer comprising an air displacement component that is configured to move upon application of an electrical signal, a base comprising a first surface, a seal configured to seal a volume defined by the transducer and the base first surface, and at least one leakage conduit. Wherein the at least one leakage conduit is configured to provide a partial opening for the volume defined by the transducer and the first surface of the base.