Audio apparatus; stereo systems; loudspeakers; cabinets for loudspeakers; apparatus and instruments for recording, transmission, reception, processing, retrieval, reproduction and manipulation of sound and audio signals and effects; apparatus for recording, transmission or reproduction of images; signal processors; amplifiers; power amplifiers; optical media players; equalizers; microphones; loudspeaker systems; embedded operating software; computer networking hardware; networking devices; sound reinforcement and reproducing apparatus in the nature of bass processors; signal processors; cables for electrical and optical signal transmission; control apparatus for audio signals; headphones, earbuds; loudspeakers; audio loudspeaker systems; remote controls; computer software and hardware for operating and controlling audio sound systems and musical and sound reproducing instruments and audio and video equipment; vehicle multimedia and audio systems and components, namely, audio speakers, amplifiers, multimedia connectors, mobile phone connectors, control units for amplifiers, multimedia connectors, navigation systems, and audio speaker systems; sound amplifiers; LED displays; LED panels for displaying video or images; electronic regulating and control devices for the operation of LEDs (light emitting diodes); tablets; computers; mobile phones; smart phones; handheld computers; wearable digital electronic devices comprised of computer hardware, software and display screens for viewing, sending and receiving texts, emails, data, audio, image, video files and information; wearable digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, audio, image and video files; multifunctional electronic devices for displaying, measuring, and uploading of data to the Internet; computer software; electronic and optical data storage media; smartwatches; wireless communication devices for voice, data or image transmission