A hearing protector (1) having an ear cup (11) forming a space for a wearer's ear. The ear cup has a shell (13) with an ear facing inner side (22) and a passageway (26) extending through the shell between the ear facing inner side and an outer side (16) of the shell. The ear cup further has a loudspeaker assembly (30) which seals the passageway from the outer side. The loudspeaker assembly further has a seal member (18) and a loudspeaker module (17). A portion of the seal member is arranged between the shell and a fastener (25), and the fastener retains the loudspeaker assembly at the shell. The hearing protector facilitates manufacturing and maintenance and provides for maximize wearing comfort and technical reliability.
