85183000Microphones and stands therefor; loudspeakers, if mounted in their enclosures; headphones and earphones, if coupled with a microphone, and sets consisting of the microphone and a number of loudspeakers; audiofrequency electric powered amplifiers; electrical audio amplifier set headphones and earphones, whether or not combined with a microphone, and sets consisting https://barrettj420cba8.blogscribble.com/profile