Audio-Technica ATM73cW Cardioid Condenser Headworn Microphone Ideal for drummers, keyboard players or anyone requiring hands-free operation, the ATM73ac features a comfortable, unobtrusive headband design with side-of-mouth pickup. Its belt-mounted power module operates on battery or phantom power. Terminated with locking 4-pin connector for A-T Unpacks body-pack wireless transmitters. 55" (1.4 m) cable. Includes windscreens.