Audio mixers; Cabinets for loudspeakers; DVD players; Electrical pickups for use with musical instruments; Electronic sound mixing, processing and synthesizing apparatus; Global positioning system (GPS) apparatus; Headphones; Horns for loudspeakers; Juke boxes for computers; Loud speakers; Loudspeaker systems; Megaphones; Portable media players; Portable vibration speakers; Record players; Sound recording apparatus; Speaker microphones; Videophones