Electro-Voice RE3-BPHW-5L Wireless Headset Mic System (FREQ: 5L)Bodypack set, headworn mic 488 524MHz Bodypack UHF wireless set containing the HW3 supercardioid headworn microphone voice performance, presentations, and athletic instruction. The HW3s sound is crisp and natural, and the supercardioid polar pattern provides superb acoustic isolation and gain before feedback, making it an ideal microphone even in high SPL sound reinforcement applications. Setup is quick and simple using the RE3 clear frequency scan