For capturing audio the QLXD14/SM35 Wireless Headworn Microphone System by Shure is a good choice. It can be used for mid-size events and installations in businesses, hotels, government offices, schools, houses of worship, live performance spaces, and more. It features 24-bit digital audio, network control, and AES-256 encryption.
The QLX-D wireless system is built with switching diversity and automatic channel scan, and has IR sync capabilities to make finding an open frequency quick. Featuring a frequency range of 20 Hz to 20 kHz, it offers more than 60 available channels per frequency band. With clearly defined performance the QLX-D delivers clean audio and provides professional features for demanding live sound events and installations.
The QLXD14/SM35 system includes a QLXD4 receiver, PS23 power supply, two 1/2 wave antennas, two 2' BNC cables with bulkhead adapters, QLXD1 bodypack transmitter, two AA Alkaline batteries, and rackmount hardware.