Headphones; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Audio-frequency transformers; Audio circuit boards; Audio electronic components, namely, surround sound systems; Audio equipment for vehicles, namely, stereos, speakers, amplifiers, equalizers, crossovers and speaker housings; Boxes specially adapted for housing audio equipment; Cabinets for loudspeakers; Cables and fibres for the transmission of sounds and images; Carrying cases, holders,...