The present invention relates to a headset and/or a hearing protection device (300) comprising a, the waterproof speaker assembly (100) comprising a speaker unit (101) comprising a transducer configured to generate an audio frequency signal, a waterproof speaker housing (103), wherein the waterproof speaker housing (103) is configured to receive and sealable enclose, in part or in full, the speaker unit (101) in an interior or a cavity (107) of the waterproof speaker housing (103), and a waterproof pressure equalization element (105) being permeable to air, wherein the waterproof speaker housing (103) is configured to receive and/or support the waterproof pressure equalization element (105), and the waterproof pressure equalization element (105) is configured to equalize surrounding or ambient pressure changes from the interior or cavity (107) of the waterproof speaker housing (103).