Check the listing for details. Shure ULXD1 - H50 Wireless Transmitter 534-598 MHz. Color: Black, Condition: Used. Listed at 275.00 USD. The Shure ULXD1 - H50 Wireless Transmitter is a professional-grade microphone system designed for musicians, public speakers, and audio professionals. With a frequency range of 534-598 MHz, this bodypack transmitter offers reliable wireless connectivity for seamless audio transmission. The sleek black design and compatibility with Shure brand microphones make it a popular choice for live performances and events. Featuring the trusted Shure brand, this wireless transmitter ensures high-quality sound reproduction and easy setup for a smooth audio experience.