The Shure QLX-D Handheld Transmitter with Beta 58 is a professional-grade wireless microphone system designed for clear, interference-free audio in demanding live sound environments. Equipped with the renowned Beta 58A dynamic microphone capsule, it delivers a tailored frequency response for vocals with enhanced midrange and controlled proximity effect, making it ideal for vocal performances. The QLX-D transmitter offers 24-bit digital audio, providing pristine sound quality with a wide frequency response, and operates in the UHF frequency range, ensuring reliable performance with robust RF stability. Its rugged metal construction ensures durability, while the easy-to-read LCD screen and simplified menu navigation make setup and monitoring straightforward. With a range of up to 330 feet and up to 9 hours of continuous use with AA batteries, this transmitter is a versatile and reliable choice for professional audio applications.