AKG Perception Wireless 45 Sports Set AKG-PW-S-SET PRODUCT HIGHLIGHTS 8 Selectable Frequencies Miniature PT 45 Bodypack C 544 L Headworn Microphone SR 45 Receiver Moisture Shield Protects Mic From Sweat The AKG Perception Wireless Sports Set is a lightweight, headworn wireless microphone system that allows for maximum user mobility during sports class instruction and all other hands-f