Electric accumulators for vehicles; sound alarms; sound amplifying apparatus, namely, sound amplifiers; amplifiers; electrical adapters; acoustic sound alarms; GPS tracking and locating devices; speaking tubes; coaxial cables; fiber-optic cables; electric cables; rearview cameras for vehicles; video screens; audio receivers; video receivers; loudspeakers; audio speakers; tweeters; bass speakers; woofers; loudspeaker systems; ultra-low frequency loudspeakers for vehicles; audio speakers for po...