Amplifiers; Loudspeakers; Microphones; Audio amplifiers; Audio equalizer apparatus; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Audio speakers for automobiles; Cabinets for loudspeakers; Karaoke machines; Portable media players; Sound amplifiers; Sound equalizers and crossovers; Sound systems comprising remote controls, amplifiers, loudspeakers and components therefor