Apparatus for recording, transmission or reproduction of sound or images; Electric and electronic apparatus and appliances, for analog, digital or optical receiving, processing, reproduction, control, amplification or distribution of light, sound or image signals, namely, radios, radio receivers, players and recorders for CDs, mini-discs and MP3 files, compact disc players, DVD players, loud speaker systems, power transformers for amplification loudspeakers, headphones, earphones and remote controls for earphones, televisions sets, radio receivers, radios for automobiles, amplifiers, loudspeakers, loudspeakers with built-in amplifiers, transmitters of electronic signals, signal processors, fiber optics; loudspeakers and subwoofers; digital audio music players; televisions, televisions with built-in DVD players, amplifiers, radio receivers and/or internet connections; audio equipment containing amplifiers, namely, stereo tuners and loudspeakers containing amplifiers, loudspeakers with built-in amplifiers; surround sound systems; loudspeaker cabinets; electronic control units for regulation of sound signals; radio receivers; CD players and recorders, players and recorders for digital media, radios and audiovisual equipment for vehicles, namely, stereos, speakers, DVD players, digital audio and video players; headphones; Remote controls for televisions, radios, radio receivers, players and recorders for CDs, mini-discs and MP3 files, compact disc players, DVD players, digital audio music players, and loudspeaker systems; software for the remote control of lamps and other lighting devices, digital audio and video recorders and players; telephone apparatus, answering machines, telephone apparatus with built-in cameras and monitors, smartphones, telephone apparatus for data transmission via the internet or other computer networks; telecommunications equipment, namely, telecommunication cables, telecommunication exchangers, telecommunication switches, telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols, telecommunications transmitters; electric and electronic apparatus and appliances for data processing and for input, output and storage of data, namely, central processing units for processing information, data, sound or images; computers; computer software for use in database management, download and storage of audio and video files; disc storage containers; software for electric and electronic apparatus and appliances, namely, software to control and improve audio and video equipment sound quality, downloadable application software for the uploading and downloading of digital files such as music files from a database to personal computer, MP3 players and mobile telephones, and software for use in linking audio and video equipment, and parts therefor; software for electric and electronic apparatus and appliances for listening to audio and watching video