The black I2 Flute Microphone Kit with 3.5mm Connector for Toa WM-370, WM-4310, WM-5320, and WM-5325 Wireless Transmitters from Countryman is a mic that has been built from the ground up for smooth frequency response, low noise, and precise polar patterns with deep nulls and natural on- and off-axis response. It can be used to capture natural audio for this instrument.