85183000Microphones and stands therefor; loudspeakers, if mounted inside their enclosures; headphones and earphones, whether or not coupled with a microphone, and sets consisting of a microphone and a number of loudspeakers; audiofrequency electric amplifiers; electric powered seem amplifier set headphones and earphones, if combined with a microphone, and sets consisting https://demosthenesd975vch2.illawiki.com/user