Flexible and Expandable for conference,medium theater and houses of worship applications WMS470 is a professional multichannel wireless microphone system with pilot tone transmission to prevent unwanted noise. The Sport Set includes a PT470 body-pack transmitter in a compact and rugged housing. The package also enclose a C544 L condenser head-worn microphone featuring a cardioid polar pattern and an external shock mount for high mechanical-noise rejection. Its moisture shield ensures a high degree of humidity protection for the microphone.