AKG Perception Wireless Microphone System Sports Set No more cables for houses of worship, hotels, clubs and band applications The Perception Wireless high performance Sports Set delivers brilliant sound and is surprisingly easy to use. The included PT45 body-pack transmitter is the smallest and lightest transmitter in its class. The package also includes a C544 L condenser head-worn microphone featuring an external shock mount for high mechanical-noise rejection. Its moisture shield ensures a high degree of humidity protection for the microphone. The Perception Wireless Sports Set package includes: UK 1 x SR45 Receiver 1 x PT45 Body-pack transmitter 1 x C544 L Head-worn microphone 1 x Universal power supply