09
Headphones; headsets with microphone; amplifiers; sound
amplifiers; audio amplifiers; audio frequency amplifiers;
stereo amplification apparatus; loudspeakers with built-in
amplifier; apparatus for sound recording, transmission,
amplification, reception and reproduction; micro-headsets;
speaker systems consisting of loudspeakers and cabinets
designed for use with loudspeakers; acoustic membranes for
sound reproduction or recording devices; hearing aid
batteries; microphones; wireless speaker microphones;
microphones with wireless speakers; headphone-microphone
combinations; microphones for telecommunication apparatus;
microphones for communication devices; speakerphones
[telephone with speaker and microphone]; radios; radio
aerials; radio transmitters; radio receivers; radio signal
antennas; headsets with built-in radio; headphones with
built-in radio; radio transmitters and receivers; digital
radio transmitters; radio transmitters for remote controls;
radio transceivers; digital radio receivers; radio receivers
for remote controls; radio signal tuners; car broadcasting
tuners; interfaces [for computers]; audio interfaces;
intercommunication apparatus; protective helmets; protective
helmets for sports and motorcycling; headgear as protective
helmets; protective and safety helmets; protective helmets
for motorists; protective helmets for cyclists; protective
helmets for bikers; headgear [protective helmets]; earphones
specially adapted for protective helmets; in-ear headphones;
ear pads for earphones; loudspeakers; cabinets for
loudspeakers; wearable speakers; smart speakers; ultra-thin
speakers; horns for loudspeakers
42
Design and development of apparatus, software and hardware
for sound recording, transmission, amplification, reception
and reproduction; communication system design;
troubleshooting services for apparatus, software and
hardware for sound recording, transmission, amplification,
reception and reproduction; maintenance and updating of
apparatus, software and hardware for sound recording,
transmission, amplification, reception and reproduction;
computer programming for apparatus, software and hardware
for sound recording, transmission, amplification, reception
and reproduction