Sound mixers with integrated amplifiers; Sound amplifiers; Audio mixing consoles; Personal stereos; Audio speakers; Audio and video receivers; Audio frequency amplifiers; Audio-receivers and video-receivers; Audio electronic components, namely, surround sound systems; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Electronic sound devices containing pre-recorded sounds for placement in toy vehicles; Public address (PA) and sou...