85183000Microphones and stands therefor; loudspeakers, if mounted within their enclosures; headphones and earphones, whether or not coupled with a microphone, and sets consisting of the microphone and a number of loudspeakers; audiofrequency electric amplifiers; electrical audio amplifier set headphones and earphones, if coupled with a microphone, and sets consisting of https://ruhollahq087vwx8.ltfblog.com/profile