85183000Microphones and stands therefor; loudspeakers, whether or not mounted of their enclosures; headphones and earphones, if coupled with a microphone, and sets consisting of a microphone and a number of loudspeakers; audiofrequency electric powered amplifiers; electric seem amplifier set headphones and earphones, whether or not combined with a microphone, and https://gallagherj111ill4.empirewiki.com/user