Astatic "Minuteman" D104M6B power mic

Legendary Astatic "Minuteman" D104M6B power microphone.

• 4 pin connector, directly fits old President, SuperStar etc
• Noise canceling ceramic element
• Variable gain control on back (40dB adjustment range)
• Uses one 9 Volt battery (not included)
• Output impenace max. 5000 ohms (performs well over entire impedance range from 100 ohms up to open circuit)