Sony ECM-77B Omnidirectional Lavalier Condenser Microphone Wired XLR
Omnidirectional Pattern. The ECM-77 provides a wide frequency response of 40 Hz to 20 kHz. The ECM-77B is powered with an external 48V phantom power source or AA alkaline battery. The ECM-77B is manufactured with a variety of connectors to accommodate various input devices, this version features a standard 3-pin XLR male connection.