Navigational and audiovisual apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound; accumulators, electric; batteries, electric, for vehicles; aerials; sound recording apparatus; remote control apparatus; sound transmitting apparatus; loudspeakers; thin film speakers; acoustic conduits; coaxial cables; fibre optic cables; cables, electric; portable speakers; contacts, electric; cabinets for loudspeakers; materials for electricity mains [wires, cables]; megaphones; diaphragms [acoustics]; microphones; wireless speaker microphones; audio mixers; terminals [electricity]; junction sleeves for electric cables; headphones; sheaths for electric cables; identification sheaths for electric wires; transmitters [telecommunication]; transmitters of electronic signals; switches, electric; converters, electric; navigation apparatus for vehicles [on-board computers]; satellite navigational apparatus; regulating apparatus, electric; audio- and video-receivers; telegraph wires; telephone wires; wires, electric; conductors, electric; copper wire, insulated; record players; control panels [electricity]; voltage surge protectors; speed regulators for record players; speaking tubes; horns for loudspeakers; subwoofers; couplings, electric; personal stereos; amplifiers; sound reproduction apparatus; equalizers [audio apparatus]; ducts [electricity]