The Audio2000'S AMC4192 is a microphone bar / microphone stand adapter with three microphone holders and a threaded insert. All three microphone holders and the threaded insert fit the standard 5/8" X 27 threads. The threaded insert fits most standard stands and booms. The AMX4192 can hold up to three microphones and is ideal for news crews or for multiple microphone applications, such as for live performance or in recording studios.