85183000Microphones and stands therefor; loudspeakers, if mounted in 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 powered amplifiers; electrical audio amplifier established headphones and earphones, whether combined with a microphone, and sets consisting https://miltonu354owb2.blogrelation.com/profile