85183000Microphones and stands therefor; loudspeakers, if mounted of their enclosures; headphones and earphones, if coupled with a microphone, and sets consisting of a microphone and one or more loudspeakers; audiofrequency electric amplifiers; electric sound amplifier established headphones and earphones, whether or not coupled with a microphone, and sets consisting of https://margarety356pml6.tusblogos.com/profile