The Sony ECM-77BMP Electret Condenser Miniature Lavalier is a discreet and unobtrusive microphone that has been designed for professional use, such as, broadcasts and audio reinforcement.
Aside for the excellent sound quality that this condenser microphone can capture, its miniature profile can be easily concealed for performances and even broadcast situations.
It features an omnidirectional polar pattern that offers a wide and even frequency/sensitivity response of 40 Hz to 20 kHz, on both direct and off-axis sections of the microphone capsule.