Omnidirectional Earset Headworn Microphone, Tan. The Shure Microflex MX153 provides outstanding clarity in an extremely comfortable over-the-ear design. This professional subminiature earset microphone is ideal for applications in which improved gain before feedback over lavalier microphones is desired. Delivering exceptional speech clarity, the MX153 is ideal for corporate presentations, houses of worship, A / V conferencing, and live sound reinforcement.