The utility model relates to an earmuff with a compound covering sleeve.It is arranged on the surface of a broadcasting device of one of the earphones.The earmuff comprises an annular cushion and a composite covering sleeve；A sound hole is arranged in the center of the annular cushion.Composite sheath,It consists of a permeable layer and a gas tight layer.The air permeability of the air permeability layer is higher than that of the air permeability layer.And the surface covered with the annular cushion defines an inner part.Lateral segment,And one ear attachment section；The air permeable layer is composed of the lateral section and the ear attachment section.The air tight layer is composed of the inner side section；Or the ventilating layer is composed of the outer section.The air tight layer is composed of the inner side section and the ear attachment section.Thus, the compound covering sleeve and the annular cushion form a good heat dissipation path, and the inner part of the covering sleeve provides a better sound insulation effect, so that the earmuff has a cool feeling and a good sound field effect at the same time.一種具有複合包覆套的耳罩，其設置於一耳機之一播音裝置表面，其中耳罩包含有一環形軟墊與一複合包覆套；環形軟墊的中央設有一音孔，複合包覆套，由一透氣層與一氣密層所構成，該透氣層的透氣度高於該氣密層，且包覆該環形軟墊之表面定義出一內、外側段，以及一人耳貼附段；其中該透氣層是由該外側段與該人耳貼附段所構成，該氣密層是由該內側段所構成；或者該透氣層是由該外側段所構成，該氣密層是由該內側段與該人耳貼附段所構成者。藉此，複合包覆套與環形軟墊形成良好的散熱路徑，包覆套的內側段則提供較佳的隔音效果，使耳罩同時兼具涼感與營造良好音場的效果。
