Microphones and stands therefor; loudspeakers, whether or not mounted in their enclosures; headphones and earphones, whether or not combined with a microphone, and sets consisting of a microphone and one or more loudspeakers; audiofrequency electric amplifiers; electric sound amplifier sets
Audiofrequency electric amplifiers
Electric sound amplifier sets
Headphones and earphones, whether or not combined with microphone, and sets consisting of a microphone and one or more loudspeakers (excl. telephone sets, hearing aids and helmets with builtin headphones, whether or not incorporating a microphone)
Microphones and stands therefor (excl. cordless microphones with builtin transmitter)
Parts of microphones, loudspeakers, headphones and earphones, earphones, audiofrequency electric amplifiers or electric sound amplifier sets, n.e.s.