MIC 100 on August 25, 2015 | Marketing Team UNIDIRECTIONAL HEADBAND MICROPHONE Unidirectional headband microphone, 3.5mm plug, improved RF resistance, ideal for high noise environments, unidirectional condenser. Use with PPA T27 transmitter, PFM/PPA T46 transmitter. Replacement windscreen: WND 009; 0.35 lbs.