Produits et services

Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; microphones; headphones; loudspeakers; studio monitor loudspeakers; microphone pre-amplifiers; audio interfaces; computer hardware for the recording, storage, reproduction and processing of acoustic signals; computer hardware for processing audio signals; audio mixers; digital mixing desks; digital audio recorders; digital sound processors; software for the recording, storage, reproduction and processing of acoustic signals; audio interface software; software being digital audio workstations; equipment for the recording and/or reproduction of electroacoustic or acoustic signals; audio apparatus; parts of the aforesaid goods.

Produits et services

Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; microphones; headphones; loudspeakers; studio monitor loudspeakers; microphone pre-amplifiers; audio interfaces; computer hardware for the recording, storage, reproduction and processing of acoustic signals; computer hardware for processing audio signals; audio mixers; digital mixing desks; digital audio recorders; digital sound processors; software for the recording, storage, reproduction and processing of acoustic signals; audio interface software; software being digital audio workstations; equipment for the recording and/or reproduction of electroacoustic or acoustic signals; audio apparatus; parts of the aforesaid goods.

Produits et services

Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; microphones; headphones; loudspeakers; studio monitor loudspeakers; microphone pre-amplifiers; audio interfaces; computer hardware for the recording, storage, reproduction and processing of acoustic signals; computer hardware for processing audio signals; audio mixers; digital mixing desks; digital audio recorders; digital sound processors; software for the recording, storage, reproduction and processing of acoustic signals; audio interface software; software being digital audio workstations; equipment for the recording and/or reproduction of electroacoustic or acoustic signals; audio apparatus; parts of the aforesaid goods.

Produits et services

Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; audio apparatus; equipment for the recording and/or reproduction of electroacoustic or acoustic signals; microphones; headphones; loudspeakers; studio monitor loudspeakers; microphone pre-amplifiers; audio interfaces; computer hardware for the recording, storage, reproduction and processing of acoustic signals; computer hardware for processing audio signals; audio mixers; digital mixing desks; digital audio recorders; digital sound processors; software for the recording, storage, reproduction and processing of acoustic signals; audio interface software; software being digital audio workstations; parts of the aforesaid goods.

Produits et services

Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; audio apparatus; equipment for the recording and/or reproduction of electroacoustic or acoustic signals; microphones; headphones; loudspeakers; studio monitor loudspeakers; microphone pre-amplifiers; audio interfaces; computer hardware for the recording, storage, reproduction and processing of acoustic signals; computer hardware for processing audio signals; audio mixers; digital mixing desks; digital audio recorders; digital sound processors; software for the recording, storage, reproduction and processing of acoustic signals; audio interface software; software being digital audio workstations; parts of the aforesaid goods.

Produits et services

Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; audio apparatus; equipment for the recording and/or reproduction of electroacoustic or acoustic signals; microphones; headphones; loudspeakers; studio monitor loudspeakers; microphone pre-amplifiers; audio interfaces; computer hardware for the recording, storage, reproduction and processing of acoustic signals; computer hardware for processing audio signals; audio mixers; digital mixing desks; digital audio recorders; digital sound processors; software for the recording, storage, reproduction and processing of acoustic signals; audio interface software; software being digital audio workstations; parts of the aforesaid goods.

Produits et services

Medical instruments; medical apparatus and instruments, for use in the following fields: audiology technology; electrically operated hearing aids; hearing aids; acoustic amplifiers [hearing aids] for the hearing impaired; medical equipment, for use in the following fields: speech therapy; transmission and reproduction medical apparatus for the hearing impaired; cochlea implants; hearing protection devices; hearing protection headsets with radio and phone communication; ear plugs [hearing protection devices]; speech amplifiers [hearing aids] for the hearing impaired; parts and accessories to all the aforementioned goods.

Produits et services

Noise-cancelling and speech improving earphones; transmitters, receivers and transmitter receivers, for use in relation to the following goods: hearing aids, assistive listening devices, personal sound amplifiers; wireless fittings for hearing apparatus, hearing aids and hearing amplifiers, namely remote controls, teletransmission systems, wireless microphones for connection to hearing apparatus, wireless charging devices and charging cases; software for use in relation to the following goods: audiological communication devices, hearing aids, personal sound amplifiers, assistive listening devices and cochlea implants. Medical instruments; medical apparatus and instruments, for use in the following fields: audiology technology; electrically operated hearing aids; hearing aids; hearing amplifiers [hearing aids] for the hearing impaired; medical equipment, for use in the following fields: speech therapy; transmission and reproduction medical apparatus for the hearing impaired; cochlea implants; hearing protection devices; hearing protection headsets with radio and phone communication; ear plugs [hearing protection devices]; speech amplifiers [hearing aids] for the hearing impaired; parts and accessories to all the aforementioned goods.

Produits et services

Apparatus and instruments for recording, transmission, processing and reproduction of sound, images or data; microphones; loudspeakers; headphones; headsets; headphone systems; soundbars; actuators for reproduction of sound in automobiles; vehicle audio systems; telecommunications apparatus and installations; computer software; application software, including apps.

Produits et services

Microphones for connection to a data processing device by means of USB interfaces.

Produits et services

Apparatus and instruments for recording, transmission, processing or reproduction of sound, images and data; microphones; loudspeakers; headphones; headsets; headphone systems; soundbars; actuators for reproduction of sound in automobiles; vehicle audio systems; telecommunications apparatus and installations; computer software; application software, including apps; virtual reality models; virtual reality hardware; virtual reality goggles. Editing or recording of sounds and images; sound engineering. Scientific and technological services and research and design relating thereto; industrial analysis and research services relating to the development of sound systems; design and development of computer software for recording, transmission, processing and reproduction of sound; design and development of virtual reality software; design and development of microphones, microphone arrays, headphones, loudspeakers, loudspeaker arrays, soundbars.

Produits et services

Apparatus and instruments for recording, transmission, processing or reproduction of sound, images and data; microphones; loudspeakers; headphones; headsets; headphone systems; soundbars; actuators for reproduction of sound in automobiles; vehicle audio systems; telecommunications apparatus and installations; computer software; application software, including apps; virtual reality models; virtual reality hardware; virtual reality goggles. Editing or recording of sounds and images; sound engineering. Scientific and technological services and research and design relating thereto; industrial analysis and research services relating to the development of sound systems; design and development of computer software for recording, transmission, processing and reproduction of sound; design and development of virtual reality software; design and development of microphones, microphone arrays, headphones, loudspeakers, loudspeaker arrays, soundbars.

Produits et services

Microphones; microphone arrays; loudspeakers; headsets; head sets; telecommunications apparatus and installations; jack cables; application software for connecting and controlling microphones, loudspeakers, headsets, telecommunications apparatus and installations; software for apparatus for the receipt, transmission and reproduction of sound.

Produits et services

Apparatus for recording, transmitting or reproduction of sounds, images or data; microphones; loudspeakers; headsets; headsets; telecommunications apparatus and installations; data carriers, namely compact discs (audio-video), floppy disks, dvds, videos, usb flash drives, cards for the storage of data; computer software; application software, including apps; covers and cases specifically designed for the aforesaid goods, included in this class; parts and accessories for all the aforesaid goods, included in this class.

Produits et services

Apparatus for recording, transmission and reproduction of sound, images and data; microphones; loudspeakers; headphones; headsets; telecommunications apparatus and telecommunications equipment; data carriers, namely compact discs, floppy discs, dvds, videos, usb flash drives, memory cards; computer software; application software, including apps; covers and cases for the aforementioned goods; parts and accessories of the aforementioned goods.

Produits et services

Apparatus for recording, transmission or reproduction of sound, images or data; sound transmitter and receiver; earphones; in-ear headphones; parts and accessories of the aforementioned goods; software applications for computers and digital devices.

Produits et services

Apparatus for recording, transmission or reproduction of sound, images or data, namely headphones, headsets, microphones and loudspeakers; telecommunications apparatus and installations.

Produits et services

Microphones, including accessories.

Produits et services

Microphones, including accessories.

Produits et services

Apparatus for recording, transmission or reproduction of sound, images and data; microphones; loudspeakers; headphones; headsets; telecommunications apparatus; telecommunications installations; data carriers, namely compact discs, DVDs, videos, USB flash drives, cards for storing data; computer software; application software, including apps.

Produits et services

Apparatus for recording, transmission or reproduction of sound, images and data; microphones; loudspeakers; headphones; headsets; headphone systems; telecommunications apparatus and installations; computer software; application software, including apps.

Produits et services

Audio equipment; apparatus for recording, transmission, reception, processing or reproduction of sounds, images or data, analog-to-digital converters; audio amplifiers; digital audio players; software for controlling the operation of audio and video devices; audio and video mixing consoles; audio mixers; headsets.

Produits et services

Electric, electronic and optical measuring, signalling and checking (supervision) apparatus and instruments included in this class, in particular electric apparatus and instruments for electroacoustics and parts therefor; apparatus and instruments for recording, transmission and reproduction of audio signals and parts thereof, included in this class; transmitters, receiving apparatus, in particular hf receivers, hf input modules, apparatus for recording and reproduction of electric signals, in particular sound signals, apparatus for the wireless transmission of acoustic information; data carriers equipped with programs, software, namely diskettes, tapes/ribbons, discs and other electronic storage media; electro-acoustic and visual identifiable guide systems, including multi-lingual guide systems, consisting of transmitters, receivers, in particular sound signal receivers and headphones; apparatus for sending, transmitting and receiving audio or video signals, in particular high frequency sound transmitting apparatus and sound transmitting technology apparatus, transmitting devices, in particular pocket transmitters and receivers, pocket uhf and vhf transmitters and receivers and parts therefor, diversity receivers, small headsets, recording technology apparatus, in particular broadband transmitters with command receivers, return channel transmitters, diversity program receivers, command transmitters; active and passive antennas; active and passive antenna distributors; electric devices for narrowband and broadband systems in sound transmitting technology; transmitters, in particular multi-channel transmitters and single-channel transmitters, infrared transmitters; receivers, in particular multi-channel, single-channel and dual-channel transmitters; head sets, chin strap receivers, and parts for the aforesaid goods; apparatus for sound transmission and sound reproduction; infra-red and hf transmitters and receivers, in particular mono, stereo, double-channel and under-chin receivers, hearing and speech apparatus, telecommunications apparatus for conference installations, equipment for analogue and digital transmission for audio and video and data signals, computer software for the aforesaid systems for control, adjustment and monitoring; electronic equipment and instruments for conference and telecommunications technology, air traffic control, reporting, military communication sectors; microphones, in particular dynamic microphones, condenser microphones, electret microphones, headset microphones, gooseneck microphones, shotgun microphones, wireless microphones, lapel microphones, microphones with integrated transmitters, in particular condenser microphones with built-in high-frequency transmitters; microphone modules; vocalist microphones, pressure microphones, switchable microphones; interface microphone modules; boundary microphones; microphone capsules and parts for the aforesaid goods; microphone isolating distributors; repeating coils; microphone cases; electroacoustic transducers, in particular headphones, dynamic headphones, electrostatic headphones, wireless technology headphones, headphones for use in aircraft, buses and trains, in particular with infrared or high-frequency transmission; headphones with active and passive noise compensation; loudspeakers; parts and accessories for electroacoustic converters and headphones, namely ear pads, volume regulators, repeaters, in particular high end amplifiers and tube amplifiers; battery plugs, plug-in chargers, handset cords. Medical instruments; medical apparatus and instruments for audiology technology, electric hearing aids, hearing amplifiers, electrically operated hearing aid devices, speech therapy apparatus, transmission and reproduction apparatus for the hearing impaired. Gathering and collating of data in computer databases. Gathering, supplying and delivering news (press agencies) and information; electronic sound, image and data transmission; electronic transmission of audio signals of all kinds; online services and broadcasts, namely transferring of information and messages, computerised transmission of messages, images and sound; transmission of radio and television programmes.

Produits et services

Software, in particular apps.

Produits et services

Apparatus for recording, transmission and reproduction of sound, images and data; microphones; loudspeakers; headphones; headsets; telecommunications apparatus and telecommunications equipment; data carriers, namely compact discs, floppy discs, DVDs, videos, USB flash drives, memory cards; computer software; application software, including Apps.

Produits et services

Apparatus for recording of sound and images, apparatus for transmission of sound and images; apparatus for reproduction of sound and images; magnetic data carriers; recording discs; compact discs; DVDs; other digital data carriers; computers; computer software; application software [apps]. Paper, cardboard [carton] and goods made thereof, not included in other classes; printed matter; photographs; stationery; artists' materials; office requisites [except furniture]; instructional and teaching material [except apparatus]; plastic materials for packaging, not included in other classes. Leather and imitation leather and goods made thereof, not included in other classes; trunks [luggage], bags [included in this class]; purses; umbrellas; parasols. Clothing; footwear; headgear. Games, toys; gymnastic and sport articles, not included in other classes.

Produits et services

Apparatus for recording of sound and images; apparatus for transmission of sound and images; apparatus for reproduction of sound and images; magnetic data carriers; recording discs; compact discs; DVDs; other digital data carriers; computers; computer software; application software (Apps). Paper, cardboard (carton) and goods made thereof, not included in other classes; printed matter; photographs; stationery; artists' materials; office requisites (except furniture); instructional and teaching material (except apparatus); plastic materials for packaging, not included in other classes. Leather and imitation leather and goods made thereof, not included in other classes; trunks (luggage), bags (included in this class); baggage; umbrellas; parasols. Clothing; footwear; headgear. Games, toys; gymnastic and sport articles, not included in other classes.

Produits et services

Electric, electronic and optical measuring, signalling and checking (supervision) apparatus and instruments included in this class, in particular electric apparatus and instruments for electroacoustics and parts therefor; apparatus and instruments for recording, transmission and reproduction of audio signals and parts thereof, included in this class; transmitters, receiving apparatus, in particular HF receivers, HF input modules, apparatus for recording and reproduction of electric signals, in particular sound signals, apparatus for the wireless transmission of acoustic information; data carriers containing programs, software, in particular on floppy discs, tapes, discs; electroacoustic and visual identifiable guide systems, including multi-lingual guide systems, consisting of transmitters, receivers, in particular sound signal receivers and headphones; apparatus for sending, transmitting and receiving sound or video signals, in particular high frequency sound transmitting apparatus and sound transmitting technology apparatus, transmitting devices, in particular pocket transmitters and receivers, pocket UHF and VHF transmitters and receivers and parts therefor, diversity receivers, small handsets, spot recording apparatus, in particular wideband transmitters with command receivers, return channel transmitters, diversity program receivers, command transmitters; aerials, electronic apparatus for narrowband and wideband systems in sound transmitting technology, transmitters, in particular multi-channel transmitters and single channel transmitters, infrared transmitters, receivers, in particular multi-channel, single-channel and double-channel receivers; headsets, chin strap receivers, and parts for the aforesaid goods; apparatus for sound transmission and sound reproduction apparatus; infrared and HF transmitters and receivers, in particular mono, stereo, double-channel and chin strap receivers, hearing and speech aids and apparatus, apparatus for conference installations, apparatus for analogue and digital transmission of audio, video and data signals, software for the aforesaid systems for control, tuning and checking, apparatus and instruments for conferencing and telecommunications technology, flight safety, reporting and military communications; microphones, in particular dynamic microphones, condenser microphones, electret microphones, head strap microphones, swan-neck microphones, directional microphones, wireless microphones, plug-in microphones, microphones with integrated transmitters, in particular condenser microphones with in-built high frequency transmitters, microphone modules, solo microphones, pressure microphones, two-way switch microphones, interfacial microphone modules, interfacial microphones, microphone capsules and parts for the aforesaid goods, microphone isolating distributors, transformers, microphone cases, electroacoustic transformers, in particular headphones, dynamic headphones, electrostatic headphones, wireless headphones, headphones for use in aeroplanes, buses and trains, in particular with infrared or high frequency transmission, headphones with active noise compensation, loudspeakers, parts and fittings for electroacoustic transformers and headphones, namely ear pads, volume controls, amplifiers, in particular high end and thermionic amplifiers, accumulator contacts, socket charging apparatus, handset cables. Medical apparatus; medical apparatus and instruments in the field of audiology; electric hearing aids, hearing amplifiers, electrically operated hearing aids, speech therapy apparatus, transmission and reproduction apparatus for deaf and partially deaf people.

Produits et services

Headphones; headsets.

Produits et services

Software and computer systems for recording, storing, editing, reproducing, analysing, reading, converting and/or processing audio, video, graphical and/or multimedia content. Software consultancy, design of computer systems for recording, storing, editing, reproducing, analysing, reading, converting and/or processing audio, video, graphical and/or multimedia content.

Produits et services

Software and computer systems for recording, storing, editing, reproducing, analysing, reading, converting and/or processing audio, video, graphical and/or multimedia content. Software consultancy, design of computer systems for recording, storing, editing, reproducing, analysing, reading, converting and/or processing audio, video, graphical and/or multimedia content.

Produits et services

Microphones.

Produits et services

Electric, electronic apparatus and instruments, included in this class, electric apparatus and instruments of the electro-acoustics and parts thereof; apparatus and instruments for recording, transmission and reproduction of signals, in particular microphones and parts thereof.

Produits et services

Cases, namely credit card cases. Paper, cardboard and goods made from these materials (included in this class); printed matter, bookbinding materials; photographs; stationery, in particular ballpoint pen, desk pads, paper holders, pencil holders; adhesives for stationery or household purposes, in particular etiquettes, not made of textile clothes; artists materials, paint brushes; type writers and office requisites (except furniture); instructional and teaching materials (except apparatus); plastic materials for packaging (included in this class), in particular packing bags made of paper or plastics; printers type, printing blocks.

Produits et services

Electric, electronic and optical measuring, signalling, checking (supervision) apparatus and instruments included in this class, in particular electric apparatus and instruments for electro-acoustics and parts thereof as well as attachments for the active interfering noise suppression, also in combination with other audio and audio visual systems, analogue and digital electro-acoustic systems and apparatus, in particular electro-acoustic systems for recording, transmission and reproduction of audio signals, included in this class; filters, amplifiers, volume control, loudspeakers, headsets, microphones, aerials, accumulator plugs, plug battery chargers, listener cables, transducers and parts thereof, in particular hearing speaking sets, electric, electronic and electro-acoustic apparatus for the transmission of audio visual signals; apparatus for the wireless transmission, transfer and reception of sound or video signals, transmitters, in particular multi-channel transmitters and single-channel transmitters and infrared transmitters and receivers; electric, electronic and electro-acoustic apparatus and instruments for communications technology, included in this class, in particular telephones, also as hearing and speech attachments; software, in particular on floppy discs, tapes and discs.

Produits et services

Electric, electronic and optical measuring, signalling, checking (supervision) apparatus and instruments as far as included in this class, in particular electric apparatus and instruments for electro-acoustics and parts thereof as well as attachments for the active interfering noise suppression, also in combination with other audio and audio visual systems; analogue and digital electro-acoustic systems and apparatus, in particular electro-acoustic systems for recording, transmission and reproduction of audio signals, as far as included in this class; filters, amplifiers, volume control, loudspeakers, headsets, microphones, aerials, accumulator plugs, plug battery chargers, listener cables, transducers and parts thereof, in particular hearing speaking sets, electric, electronic and electro-acoustic apparatus for the transmission of audio visual signals; apparatus for the wireless transmission, transfer and reception of sound or video signals, transmitters, in particular multi-channel transmitters and single-channel transmitters and infrared transmitters and receivers; electric, electronic and electro-acoustic apparatus and instruments for communications technology, as far as included in this class, in particular telephones, also as hearing and speech attachments; software, in particular on floppy discs, tapes and discs.

Produits et services

Electrical, electronic and optical measuring, signal and monitoring apparatus and instruments as far as included in this class, especially electrical devices and electroacoustical instruments and parts thereof; devices and instruments for receiving, transmitting and reproducing audio signals and parts thereof as far as included in this class; transmitters, reception devices, especially high-frequency receivers, high-frequency input modules, devices for recording and reproducing electrical signals, especially sound signals, devices for wireless transmission of acoustic information; data media provided with programs, software, especially on diskettes, tapes, disks; electroacoustical and visual identifiable guiding systems, also multilingual, comprising transmitters, receivers, especially sound signal receivers and headphones; equipment for broadcasting, transmitting and receiving sound signals or video signals, especially high-frequency sound transmission equipment and sound transmission engineering equipment, transmitting devices, especially pocket transmitters and pocket receivers, pocket transmitters and pocket receivers for the UHF and VHF ranges and parts thereof, diversity receivers, small receivers, live news coverage equipment, especially broadband transmitters with command receivers, backward channel transmitters, diversity program receivers, command transmitters; antennae, devices for narrow-band and broadband systems in sound transmission engineering, transmitters, especially multichannel transmitters and single channel transmitters, infrared transmitters, receivers, especially multichannel, single channel and two channel receivers; headphone receivers; chin-strap receivers and parts thereof; devices for sound transmission and sound reproduction; infrared and high-frequency transmitters and receivers, especially mono receivers, stereo receivers, two channel receivers and chin-strap receivers, listening and speaking fittings, conferencing systems, systems for analog and digital transmission of audio signals, video signals and data signals, software for such systems for controlling, tuning and monitoring, devices and instruments for conferencing and telecommunications engineering, traffic control, report preparation, military communications fields; microphones, especially dynamic microphones, condenser microphones, electret microphones, headset microphones, gooseneck microphones, directional tube microphones, wireless microphones, clip-on microphones, microphones with integrated transmitters, especially condenser microphones with built-in high-frequency transmitters, microphone modules, soloist microphones, pressure microphones, switchable microphones, interface microphone modules, interface microphones, microphone capsules and parts thereof, microphone terminal distributors, transmitters, microphone sleeves, electroacoustic transducers, especially headphones, dynamic headphones, electrostatic headphones, wireless headphones, headphones for use in aircraft, busses and trains, especially with infrared transmission or high-frequency transmission, headphones with active noise compensation, loudspeakers, parts and accessories for electroacoustic transducers and headphones, namely ear pads, volume controls, amplifiers, especially high-end and tube amplifiers, battery plugs, plug charging devices, receiver cable. Medical technical equipment; devices and instruments for audiology engineering, electrical hearing aids, hearing amplifiers, electrically operated hearing devices, devices for speech therapy, transmission devices and reproduction devices for the hearing impaired.

Produits et services

Electric and electronic measuring apparatus, apparatus for transmission of sound, microphones, headphones, parts of the aforementioned goods.

Produits et services

Appareils électrotechniques, notamment appareils de la technique des télécommunications électroniques et d'information; tubes électroniques et autres tubes à décharge électriques, tubes à rayons cathodiques, tubes d'emmagasinage et tubes indicateurs; dispositifs électroniques semi-conducteurs, spécialement diodes semi-conducteurs et transistors, appareils de télévision, de radio, d'émission et de réception, appareils de navigation, d'orientation et de radar; amplificateurs, filtres et indicateurs de position d'aiguille pour buts électrotechniques; appareils électromécaniques et magnétiques d'enregistrement et de reproduction pour informations, spécialement pour sons et pour signaux d'images, enregistreurs et tourne-disques électromécaniques, têtes sonores magnétiques, supports sonores en bandes, feuilles et sous forme de disques et de tambours, spécialement disques, bandes, feuilles, disques et tambours magnétiques; microphones, haut-parleurs; machines à calculer, bandes perforées, conduites creuses, câbles électriques, fils isolés.

Produits et services

Electronic and optical measuring, signalling and monitoring apparatus and equipment included in this class, including electrical apparatus and electroacoustic instruments and components thereof, equipment and apparatus for recording sound signals and components thereof included in this class; microphones, filters (included in this class); network power supply units, electroacoustic sensors, headsets, earphones, speakers, amplifiers, hearing aids; battery rechargers, components of said goods included in this class; apparatus for the transmission of video and sound signals, transmitters-receivers, including radio transmitters, hand transmitters, various receivers, antennas, sound transmission apparatus, logotherapeutic apparatus, infrared transmitters and receivers, communications technology instruments, manual telephones for operators, said apparatus having active noise compensation, soundproofing equipment, in particular, in the form of headsets; receivers for recording and transmitting electrical signals, including sound signals, apparatus for radio transmission of acoustic signals, data media with software, including diskettes, tapes and disks; technical equipment (included in this class), cables; sound apparatus, instruments and components of said goods included in this class.

Produits et services

Electric and electronic measuring apparatus, sound transmission apparatus, sound amplifiers, microphones, headphones; parts of the aforesaid goods.

Produits et services

Appareils de mesure électriques et électroniques, appareils pour la transmission du son, amplificateurs du son, microphones, écouteurs; parties des appareils précités.