The microphone shall be a unidirectional dynamic microphone with a neodymium magnet. It shall be provided with a detachable cap for easy cleaning of the windscreen, and a transducer shock mount for suppression of cable and footfall noise.

The frequency response of the microphone shall be designed for general miking use.

The microphone shall have a frequency range from 60 to 20,000 Hz; sensitivity at 1 kHz of 2.5 mV/Pa; electrical impedance of 600 ohms. Its length shall be 181 mm (7.1 in.), its maximum diameter 50 mm (2 in.). The microphone shall have a net/shipping weight of 290/650 g (10.4 oz./1.4 lbs.) and matte black finish. The microphone shall be the AKG D 770.