An audio system that is constructed and arranged to be carried by headwear, such as a cap, that has a crown with a lower edge. The audio system has two sound delivery assemblies that are constructed and arranged to deliver sound from a sound-delivery outlets thereof, and a clip for each sound delivery assembly, each clip constructed and arranged to be removably coupled to the lower edge of the crown of the headwear to allow the outlets of the sound delivery assemblies to be located proximate the ear.