The Shure ULXD1-H50 Digital Beltpack Transmitter is designed for professional sound reinforcement. Ideal for performers, presenters, and event organizers, it offers high-quality audio in various settings. With its lightweight aluminum case, it's easy to carry. It features AES 256-bit encryption for secure transmission, proprietary Shure Gain Ranging for optimized audio, and an optional rechargeable battery for long use.