Headsets; Loudspeakers; Megaphones; Microphones; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio speakers; Batteries, electric; Cabinets for loudspeakers; Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Electrical adapters; Global positioning system (GPS) apparatus; Home theater systems comprising DVD players, audio amplifiers, audio speakers; Mobi...