EARBUDS WITH ACOUSTIC INSERT

摘要

An earbud includes a housing having an ear portion and a stem portion, the housing comprises a driver assembly positioned within the housing forming a front volume in front of the driver and a back volume behind the driver. An acoustic insert is positioned behind the driver assembly and attached to an interior surface of the housing such that it forms a bass channel that is routed from the back volume to a vent in the housing, the vent being part of a multiport vent. The acoustic insert is formed from a carbon doped plastic that absorbs laser energy,