Abstract: A structure for interfacing a plunger that is exposed outside of a housing and is constructed and arranged to be pushed in relative to the housing so as to operate a switch that is located inside of the housing. The structure has an elastic portion that is constructed and arranged to interface with the plunger so as to maintain the plunger in the housing and a stiff portion that is coupled to the elastic portion and is constructed and arranged to interface with the housing so as to capture the structure in the housing.

Abstract: A portable loudspeaker with an enclosure that defines an acoustic cavity in an interior of the enclosure, at least one passive radiator exposed to the acoustic cavity, and an electro-acoustic transducer arranged to radiate sound pressure into the acoustic cavity to acoustically energize the at least one passive radiator. A user-operable switch is located in the interior of the enclosure, and a compliant button that forms part of the enclosure and overlies and is spaced from the switch. A sound-deadening member is positioned in the space between the button and the switch. The sound-deadening member is arranged to inhibit sound pressure in the acoustic cavity from reaching the button.