The BOYA BY-M4OD is a professional omnidirectional lavalier microphone. It features a unique omnidirectional condenser capsule that provides a uniform frequency response at both the direct and off-axis sections. And BY-M4OD is built with an XLR connector that should be powered by 48V phantom power. It is compatible with XLR devices such as Camcorders, Audio recorders and so on. Besides, including lapel clip and foam windscreen.