Sennheiser HSP 4-EW-3  MKE platinum condenser capsule with a cardioid microphone Beige, steel wire cable with 3.5 mm mini-jack. Suitable for Sennheiser SK 100, SK 300 and SK 500 evolution wireless series bodypack transmitters. For wired applications, the headmic can be used with the intelligent MZA 900 P phantom power adapter. Neckband design keeps the microphone clear from shirt-collar or clothing Twist-proof microphone boom ( 2.0 mm), can be attached to the left or right side Microphone boom is adjustable in length and angle Flexible gooseneck section