RE16 is a Variable-D dynamic Supercardioid microphone designed for the most exacting professional use, employing an integral blast filter to permit handheld and outdoor use without P-popping" or excessive wind noise. EV`s Variable-D design allows its directional characteristic to be independent of frequency. Impedance, Low-Z balanced 150 O Mic Type Handheld Polar Pattern Supercardioid Humbucking coil reduces electromagnetic hum pickup Wired Height 187 mm ( 7.36 ) Weight Net 8.01 oz (227 g)