The Shure SLX-D Plug-On Transmitter is a versatile and professional-grade wireless solution designed to transform any wired microphone into a wireless unit. Ideal for broadcasting, live sound, and presentation applications, it offers rock-solid digital audio transmission with 24-bit quality and a wide dynamic range. The transmitter operates in the UHF band and ensures reliable signal stability, minimizing dropouts and interference with its smart frequency management. Its durable, metal construction is built for rigorous use, while the easy-to-read OLED screen provides critical information like battery status and RF strength. The SLX-D boasts a long battery life with support for both AA batteries and Shure's SB903 rechargeable battery, offering hours of continuous operation.