Mechanisms for coin operated apparatus; Cabinets for loudspeakers; Acoustic baffles sold as a component of loudspeakers; Loudspeakers; Record players; Megaphones; Microphones; Sound transmitting apparatus; Sound recording apparatus; Sound reproduction apparatus; Horns for loudspeakers; personal stereos; Compact disc players; Headphones; DVD players; portable media players; Wireless cellular phone headsets; Acoustic couplers; Electronic card readers; smartphones